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Journal articles on the topic 'Anti-corrosion properties'

Author: Grafiati

Published: 7 September 2021

Last updated: 5 February 2022

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1

Cao, Xiao Zhou, Zhu Xian Qiu, Zhong Ning Shi, Xian Wei Hu, Yun Gang Ban, and Zhao Wen Wang. "Anti-Oxidation and Anti-Corrosion Properties of Al-Si Metal Anodes." Materials Science Forum 546-549 (May 2007): 1149–52. http://dx.doi.org/10.4028/www.scientific.net/msf.546-549.1149.

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Al-Si metal anode was fabricated by cold-press sintering with Al and Si as embedded powder in argon atmosphere. The anti-oxidation in the air and anti-corrosion in molten cryolite properties of Al-Si metal anode at high temperature were examined. The experimental results showed that the oxidation kinetics curve obeyed the parabolic law. The corrosion behavior Al-Si metal anode was studied in electrolysis test. The electrolyte consisted of Na3AlF6(90 wt%),CaF2(5 wt%) and Al2O3(5 wt%) which corresponded to molecular ratio of 2.4. The results indicated that the cell voltage was stable and the electric polarized corrosion rate was higher than the static corrosion rate of metal anode. SEM photographs showed an oxidation film formed in the surface of Al-Si metal anode which can obstruct the further corrosion in molten cryolite. It may be concluded that Al-Si metal anode has good combination property and can replace the carbon anode in the aluminum cell.

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2

Li, Yan Li, Ren Xu Huang, Pei Zhong Zhao, and De Xian Yi. "Study on Anti-Corrosion of the HAZ of 30CrMnSi Treated by Laser Remelting." Advanced Materials Research 291-294 (July 2011): 1421–24. http://dx.doi.org/10.4028/www.scientific.net/amr.291-294.1421.

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30CrMnSi is quenched and tempered steel with medium hardenability, and good mechanical properties. However, the anti-corrosion of the weld heat affected zone will be decreased, which will lead to the worse overall properties of parts. The anti-corrosion properties of heat affected zone will be improved by YAG laser treatment according optimized processing parameters. The microstructure of the modified heat affected zone was observed and analyzed in this paper. And the anti-corrosion property was studied also. The results showed that the anti-corrosion property of heat affected zone will be improved by laser remelting technology. The laser anti-corrosion is the effective method to enhance anti-corrosion property.

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3

Xiang, Xiong Zhi, Miao Cheng, and Wen Ya Gong. "Effect of Tin Additions on the Anti-Tarnish Properties of Sterling Silver Alloy." Key Engineering Materials 727 (January 2017): 67–71. http://dx.doi.org/10.4028/www.scientific.net/kem.727.67.

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Sterling alloy is widely used in the jewelry industry. Its anti-tarnish property is one of its most important characteristics. In this study, the effect of tin on the corrosion resistance, and tarnish resistance properties of sterling silver alloy were investigated quantized. The difference between anti-corrosion and anti-tarnish properties was investigated in this paper. The tarnish and corrosion resistance of sterling silver improved as tin content increased. However, there was a point at which increasing tin content further led to poor anti-tarnish properties, even though the alloy retained considerable anti-corrosive properties.

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4

Talo, A., P. Passiniemi, O. Forsén, and S. Yläsaari. "Polyaniline/epoxy coatings with good anti-corrosion properties." Synthetic Metals 85, no. 1-3 (March 1997): 1333–34. http://dx.doi.org/10.1016/s0379-6779(97)80258-5.

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5

Liu, Guo Qi, Hong Xia Li, Fan Qian, Wen Gang Yang, Jian Bin Yu, and Tian Fei Ma. "Properties of ZrO₂-C Materials with Anti-Oxidants." Advanced Materials Research 156-157 (October 2010): 996–99. http://dx.doi.org/10.4028/www.scientific.net/amr.156-157.996.

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Submerged Entry nozzle is one of the key functional refractories for continuous casting and the safe and efficiency of the continuous casting is directly influenced by the properties of ZrO2-C materials located at the slag line of the submerged entry nozzle. In general, a little anti-oxidants such as SiC, Si or B4C will be introudced into ZrO2-C materials and anti-oxidants also influence the corrosion resistance of ZrO2-C materials. So this paper researched the properties especially the corrosion resistance of ZrO2-C materials with SiC, Si or B4C additions. The results show that the properties of ZrO2-C materials are relate to the composition of ZrO2-C materials and the corrosion resistance of ZrO2-C materials have no obvious relationship with other properties such as apparent porosity, bulk density, et al. The addition of anti-oxidants will all decrease the corrosion resistance of ZrO2-C material. The decreasing degree of corrosion resistance by Si is the most and the decreasing degree of corrosion resistance by SiC is the least. The corrosion resistance of ZrO2-C material with B4C addition is relate to the kind of the mold slag. To obtain the ZrO2-C material with excellent corrosion resistance antioxidants should not be added into ZrO2-C materials.

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6

Li, Jinlong, Dongmei Li, Feng Zhou, Dapeng Feng, Yanqiu Xia, and Weimin Liu. "Tribological and corrosive properties of ionic liquids containing triazole functional groups." Industrial Lubrication and Tribology 67, no. 3 (April 13, 2015): 210–15. http://dx.doi.org/10.1108/ilt-04-2013-0045.

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Purpose – The aim of this paper was to inhibit the serious corrosion of conventional ionic liquids, a series of new ionic liquids (ILs) containing the triazole functionality, as the anti-corrosion groups were synthesized in this work. Design/methodology/approach – It is well known that nitrogen and sulfur containing organic compounds have been traditionally used as corrosion inhibitors. Among them, triazole derivatives are most often used as corrosion inhibitors. To alleviate the corrosion of the ILs and further improve the anti-wear property, the authors prepared a series of imidazolium ILs modified with the triazole functionality in the present study. Findings – The corrosion behavior of the ILs was evaluated with the iron disk corrosion test and their tribological properties were investigated on an Optimol SRV IV oscillating friction and wear tester at elevated temperatures. The results showed that the ILs with the triazole functionality could effectively reduce the corrosion and exhibit a smaller friction coefficient and wear volume than the unmodified counterpart. The ILs containing the triazole functionality can be used as the single component anti-corrosion base oils even at elevated temperatures. Originality/value – The results showed that the ILs with the triazole functionality could effectively reduce the corrosion and exhibit a smaller friction coefficient and wear volume than the unmodified counterpart. The ILs containing the triazole functionality can be used as the single component anti-corrosion base oils even at elevated temperatures.

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Feng, Xiao Wei, and Yong Wang. "Research on Corrosion Resistance Properties of Post-Tensioned Prestress Duct Grouting." Applied Mechanics and Materials 275-277 (January 2013): 1250–56. http://dx.doi.org/10.4028/www.scientific.net/amm.275-277.1250.

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The corrosion resistance of post-tensioned prestress grout is considered an important indicator to structural safety and durability, based on some current specification on slurry anti-corrosion requirements of prestressing tendons at home and abroad, through laboratory accelerated corrosion test this paper mainly analyzes the diffusion way of harmful substances in the slurry, the relationships between rust time and prestressing tendons protective layer thickness, and then according to selected materials with different proportions have different corrosion time, take QL + ZQ is the best choice in anti-corrosion.

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8

Wu, Ping Ping, Cheng Zhang, Hai Fang Xu, De Xin Huang, Bing Xu, and Dan Yu Jiang. "The Anti-Erosion Properties of Pyrochlore Simulated Waste Forms." Key Engineering Materials 492 (September 2011): 517–20. http://dx.doi.org/10.4028/www.scientific.net/kem.492.517.

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MCC-1 static short-term corrosion tests were performed to pyrochlore simulated waste forms in deionized water, at 90°C. Experimental results show that pyrochlore simulated waste forms has a good anti-leaching property. Both the normalized mass loss rate and the normalized mass loss of element Ce decrease with soaking time increasing in the short test. The corrosion process is co-dominated by the leaching agent and the corrosion temperature.

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9

Ryu, Hwa Sung, and Han Seung Lee. "Study on the Anti- Corrosion Properties of Organic and Inorganic Inhibitor by Electrochemical Treatment in Aqueous Solution." Advanced Materials Research 415-417 (December 2011): 2070–73. http://dx.doi.org/10.4028/www.scientific.net/amr.415-417.2070.

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The various methods for improving chloride penetration resistance in the reinforced concrete have been developed. Among the related general ways, using of corrosion inhibitor became very common. Therefore, in this study, in order to comprehend performance of corrosion inhibitor, the experiment study was conducted about corrosion characteristic of 3 steps(0.0, norm 1/2, norm) compared to organic corrosion inhibitor standard use of liquid and molar 3 steps(0.0, 0.3, 0.6%) of Chloride by added amount of inorganic corrosion inhibitor by the corrosion inhibitor types about 2.4kg/m3, 4.8kg/m3based on Chloride ion content 1.2kg/m3for service life prediction of concrete structure by using Poteniostat. As results, in the case of inorganic nitrous acid corrosion inhibitor, it was confirmed that anti-corrosive performance of Chloride ion content 1.2kg/m3by corrosion Ecorr -0.30V in more than molar ratio 0.3%, and it also was confirmed that anti-corrosive performance of 2.4kg/m3, 4.8kg/m3in more than molar ratio 0.6%. In addition, the excellent anti-corrosive performance of organic corrosion inhibitor was shown in 1/2(0.42kg/m3) of norm regardless of Chloride ion content, and it can be seen that absorption types organic corrosion inhibitor has excellent anti-corrosive performance compared to the inorganic nitrous acid corrosion inhibitor by the added amount of corrosion inhibitor.

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10

Chaudhry, A. U., Vikas Mittal, M. I. Hashmi, and Brajendra Mishra. "Evaluation of Ni0.5Zn0.5Fe2O4 nanoparticles as anti-corrosion pigment in organic coatings for carbon steel." Anti-Corrosion Methods and Materials 64, no. 6 (November 6, 2017): 644–53. http://dx.doi.org/10.1108/acmm-10-2016-1725.

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Purpose Inorganic oxide addition can be synergistically beneficial in organic coatings if it can impart anti-corrosion properties and also act as an additive to enhance physical and/or chemical properties. The aim of this study was to evaluate the anti-corrosion benefits of nano nickel zinc ferrite (NZF) in the polymer film. Design/methodology/approach The time-dependent anti-corrosion ability of NZF (0.12-1.0 per cent w/w NZF/binder), applied on API 5L X-80 carbon steel, was characterized by electrochemical techniques such as open circuit potential, electrochemical impedance spectroscopy, linear polarization resistance and potentiodynamic. Characterization of corrosion layer was done by removing coatings after 216 h of immersion in 3.5 per cent w/v NaCl. Optical microscopy, field emission scanning electron microscopy and X-ray diffraction techniques were used to characterize the corroded surface. Findings Corrosion measurements confirm the electrochemical activity by metallic cations on the steel surface during corrosion process which results in improvement of anti-corrosion properties of steel. Moreover, surface techniques show compact corrosion layer coatings and presence of different metallic oxide phases for nanocomposite coatings. Originality/value The suggested protection mechanism was explained by the leaching and precipitation of metallic ion on the corroded surface which in turn slowed down the corrosion activity. Furthermore, improvement in barrier properties of rubber-based coatings was confirmed by the enhanced pore resistance. This work indicates that along with a wide range of applications of NZF, anti-corrosion properties can be taken as an addition.

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11

Cui, Miaomiao, Peng-Yuan Wang, Zuankai Wang, and Bin Wang. "Mangrove Inspired Anti-Corrosion Coatings." Coatings 9, no. 11 (November 1, 2019): 725. http://dx.doi.org/10.3390/coatings9110725.

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Marine corrosion accounts for one-third of the total corrosion cost and has been one of the greatest challenges for modern society. Organic coatings are known as the most widely used protective means. An effective control of the transport of corrosive substances is the key to the anti-corrosion performance. In nature, the mangrove survives and thrives in marine tidal zones despite high salinity and humidity. We first showed that the mangrove leaves have salt glands that can secrete excessive ions to control the ion transport in and out. Inspired by this, we proposed a design of bio-inspired, anti-corrosion coating that mimics this functional feature, and fabricated the bipolar, hydrophobic coatings by doping ion-selective resins and constructing surface structures, which restrict the transport of corrosive substances and the electrochemical corrosion at the coating/metal interface. Our results show that the bio-inspired coatings effectively block and control the transport of both the Na+ and Cl−, and, together with the hydrophobic surface, the coating system exhibits significantly improved anti-corrosion properties, more than a three orders of magnitude decrease in corrosion current density when compared with the control group (epoxy varnish). Therefore, the mangrove-inspired coatings show a promising protective strategy for the ever-demanding corrosion issues plaguing modern industries.

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12

Fihri, Aziz, Dana Abdullatif, Hawra'a Bin Saad, Remi Mahfouz, Hameed Al-Baidary, and Mohamed Bouhrara. "Decorated fibrous silica epoxy coating exhibiting anti-corrosion properties." Progress in Organic Coatings 127 (February 2019): 110–16. http://dx.doi.org/10.1016/j.porgcoat.2018.09.025.

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13

Figovsky, Oleg L., and Freddy A. Romm. "Improvement of anti‐corrosion protection properties of polymeric materials." Anti-Corrosion Methods and Materials 45, no. 3 (June 1998): 167–75. http://dx.doi.org/10.1108/00035599810216858.

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14

Rossi, S., F. Deflorian, and M. Fedel. "Polysilazane-based coatings: corrosion protection and anti-graffiti properties." Surface Engineering 35, no. 4 (May 2, 2018): 343–50. http://dx.doi.org/10.1080/02670844.2018.1465748.

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15

Ziganshina, M., and E. Nurislamova. "Anti-corrosion properties of coatings with manganese compounds pigmentation." IOP Conference Series: Materials Science and Engineering 311 (February 2018): 012017. http://dx.doi.org/10.1088/1757-899x/311/1/012017.

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16

Cao, Zhengfeng, Yanqiu Xia, Chuan Chen, Kai Zheng, and Yi Zhang. "Polyaniline as an additive towards improving tribological properties and anti-corrosion performance of ionic liquids-based greases." Industrial Lubrication and Tribology 72, no. 7 (March 27, 2020): 851–56. http://dx.doi.org/10.1108/ilt-11-2019-0469.

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Purpose This paper aims to explore polyaniline (PANI) as a lubricant additive to improve the anti-corrosion and tribological properties of ionic liquids (ILs) for actual applications. Design/methodology/approach ILs were synthesized by dissolving lithium salts in synthetic oil and were used as a base oil to prepare ILs-based greases. PANI was used as an additive. The tribological properties were investigated in detail and the anti-corrosion ability was also assessed via salt spray test. After friction test, the worn surfaces were characterized by scanning electron microscopy, Raman spectroscopy and X-ray photoelectron spectroscopy to analyze the lubrication mechanisms. Findings PANI not only reduces the corrosion but also improves the friction reduction and anti-wear abilities of the ILs-based greases. The analysis indicates that the protective films generated on the worn surfaces were responsible for the preferable anti-corrosion and tribological properties. Originality/value This paper provides an effective approach to improve the anti-corrosion and tribological properties of ILs for actual applications. Peer review The peer review history for this article is available at: https://publons.com/publon/10.1108/ILT-11-2019-0469/

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17

NADIROV, K. S., A. A. УESSENTAYEVA, G. Zh BIMBETOVA, M. K. ZHANTASOV, and R. K. NADIROV. "ANTI-CORROSION COATINGS FOR OIL PIPELINES." Neft i gaz 2, no. 116 (April 15, 2020): 109–19. http://dx.doi.org/10.37878/2708-0080/2020.007.

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The anti-corrosion coatings obtained on the basis of local raw materials, in particular, cotton soap stock, mineral and vegetable fillers, were studied. The compositions were prepared by mixing in a laboratory multifunctional extruder. The adhesion of the obtained anticorrosion coating was investigated; it was found that the anticorrosive properties of the obtained composition increase with increasing concentrations of sevilen (up to 15%), plant filler (up to 30–35%), carbon black (up to 8–10%) and soapstock (up to 20%). The morphology of the obtained composite with the addition of fillers was investigated. After temperature modification, the structure of the initial composition undergoes changes, the diameter of the fibers of the vegetable filler decreases.

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18

Ge, Shengsong, Menglong Li, Qian Shao, Ke Liu, Junxiang Wang, and Fengjiao Yi. "Effect of metal ions on the anti-corrosion properties of γ-glycidoxypropyltrimethoxysilane coatings on cold-rolled iron." Anti-Corrosion Methods and Materials 63, no. 2 (March 7, 2016): 82–88. http://dx.doi.org/10.1108/acmm-08-2014-1424.

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Purpose – This paper aims to clarify the effect of metal ions added in the γ-glycidoxypropyltrimethoxysilane (γ-GPS) solutions on the anti-corrosion properties of the γ-GPS coatings on cold-rolled iron (CRI). Design/methodology/approach – The transformations of functional groups involved in reactions during the coating process were characterized by Fourier transformed infrared spectroscopy (FTIR), and the thickness of the γ-GPS coatings on the CRI substrates was measured using high-powered microscopy. The anti-corrosion properties of γ-GPS-treated samples were evaluated by neutral salt spray tests, polarization curves and electrochemical impedance spectroscopy measurements. Findings – The results show that Zn2+ and Mg2+ in the γ-GPS solutions promote the formation of Si-O-Si and Si-O-Fe bonds and improve the anti-corrosion properties of the γ-GPS coatings on CRI. However, Al3+ and Na+ in the γ-GPS solutions do not play this role. Originality/value – Although there have been previous research studies on the γ-GPS coatings on CRI, this paper is the first to study the effect of metal ions added in the silane solutions on the anti-corrosion properties of the γ-GPS coatings, and it has been confirmed that the anti-corrosion properties changed when Zn2+ (or Mg2+) is present.

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19

Chen, Ling, Xue Jiao Zheng, Hui Ma, and Jia Qing Wang. "Effects of Conductive Pigments on the Anti-Corrosion Properties of Zinc-Rich Coatings." Advanced Materials Research 652-654 (January 2013): 1830–33. http://dx.doi.org/10.4028/www.scientific.net/amr.652-654.1830.

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Effects of replacing partial zinc dust with conductive pigments on the anti-corrosion properties of ethyl silicate zinc-rich coatings with low zinc content were investigated. Salt spray test, salt immersion test and open circuit potential(OCP) measurement were utilized to evaluate anti-corrosion properties. Experimental results revealed that the effects of conductive pigments content on anti-corrosion properties are similar for di-iron phosphide powder, graphite powder and aluminum powder employed in this article. For every kind of conductive pigments, protection life in salt spray test, protection life in salt immersion test, galvanic protection life and initial OCP change with conductive pigments content increase in a similar way. They all reach an extreme point, and all the extreme points correspond to a same replacing ratio named best replacing ratio. The best replacing ratio is 20,15 and 15wt% for di-iron phosphide powder, graphite powder and aluminum powder respectively. Comparing with non-replacing coatings, conductive pigments-containing coatings at best replacing ratio possess both lower zinc content and better anti-corrosion properties.

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20

Musztyfaga-Staszuk, M., A. Czupryński, and M. Kciuk. "Investigation of Mechanical and Anti-Corrosion Properties of Flame Sprayed Coatings." Advances in Materials Science 18, no. 4 (December 1, 2018): 42–53. http://dx.doi.org/10.1515/adms-2017-0049.

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Abstract This article presents the results of an examination of the properties of thermal flame sprayed coatings produced by material in the form of four powders (two polymers: PA11 and PA12 CastoPlast, and two high purity: tin and aluminum) on the substrate of the unalloyed structural steel of S235JR grade. Investigations of coating properties are based on metallography tests (SEM and CLSM), measurement of microhardness (acc. to PN-EN ISO 6507-1:2007), anticorrosive (acc. to PN-EN ISO 9227:2017-06) and bend testing. Results demonstrate properties of flame sprayed coatings that are especially promising in the industrial applications where corrosion-resistant coating properties are required. Consequently, performed experiments show that the highest corrosion resistance is demonstrated by steel samples with a polyamide anti-corrosion system. Accelerated corrosion tests showed the lowest corrosion resistance of the tin coating system, however, they do not fully correspond to the corrosion processes in operating conditions.

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21

Li, Shuangyang, Pingsheng Huang, Zhanpeng Ye, Yaping Wang, Weiwei Wang, Deling Kong, Jianhua Zhang, Liandong Deng, and Anjie Dong. "Layer-by-layer zwitterionic modification of diverse substrates with durable anti-corrosion and anti-fouling properties." Journal of Materials Chemistry B 7, no. 39 (2019): 6024–34. http://dx.doi.org/10.1039/c9tb01337g.

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22

Qiu, Rongxian, Zhilin Wu, and Jinkai Xu. "Study of anti-corrosion and anti-wear properties on superhydrophobic aluminium alloy surfaces." Materials Science and Technology 34, no. 15 (July 11, 2018): 1861–67. http://dx.doi.org/10.1080/02670836.2018.1495879.

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23

Vorobyova, Viktoria, and Margarita Skіba. "Apricot Cake Extract as Corrosion Inhibitor of Steel: Chemical Composition and Anti-corrosion Properties." Chemistry Journal of Moldova 14, no. 1 (May 2019): 77–87. http://dx.doi.org/10.19261/cjm.2018.525.

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24

Sohn, Il-Ryoung, Tae-Chul Kim, Gwang-Il Ju, Myung-Soo Kim, and Jong-Sang Kim. "Development of PosMAC® Steel and Its Application Properties." Korean Journal of Metals and Materials 59, no. 9 (September 5, 2021): 613–23. http://dx.doi.org/10.3365/kjmm.2021.59.9.613.

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PosMAC® is a hot dipping Zn-Mg-Al coated steel sheet developed by POSCO. PosMAC®3.0 shows excellent anti-corrosion performance and is suitable for construction and solar energy systems in severe corrosive environments. PosMAC®1.5 has a superior surface quality and is preferred for automotive and home appliances. The advanced anti-corrosion properties of PosMAC® comes from a dense corroded layer which forms on coated surfaces, compared with traditional Zn coatings such as GI, GA and EG. PosMAC® steels show superior corrosion protection compared to GI coatings in cyclic corrosion tests, despite an approximate 30% reduction in coating weight. The PosMAC® has excellent application properties for the arc welding of automotive chassis. It has a heat resistance that is more robust than the GI coating, and maintains excellent corrosion protection near the welds of the chassis. Zn-Mg-Al coatings, whose chemical compositions are similar to PosMAC® coatings, have very low surface friction properties compared to the GI coating. The friction coefficient of PosMAC® is stabilized to 0.09~0.11. In contrast, the GI coating showed higher friction coefficients of 0.2~0.3 in the repeated friction test. PosMAC® would be appropriate for complex forming parts with less galling, given these low friction resistance properties. It is expected that the industrial demand for PosMAC® steel will increase in the near future, thanks to its Zn saving and high anti-corrosion performance.

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Yang, Won Seog, Seung Ho Ahn, Jun Sik Seo, Won Seung Cho, Jung Gu Kim, and Woon Suk Hwang. "Performance of Bismuth Oxide in the Cathaphoretic Epoxy Primers." Materials Science Forum 544-545 (May 2007): 589–92. http://dx.doi.org/10.4028/www.scientific.net/msf.544-545.589.

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The anti-corrosion properties of and catalytic effect of crosslinking on Bi2O3 were investigated in this study. The results of double rubs test with methyl ethyl ketone, cyclic corrosion test and FT-IR with ATR show that Bi2O3 performs anti-corrosion property and catalytic effect of crosslinking of resin.

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Chen, Bing, Xiao Li, and Yu Guang Fan. "Performance Evaluation of SHY-99 Coating for Carbon Steel Water-Cooler." Advanced Materials Research 399-401 (November 2011): 1886–89. http://dx.doi.org/10.4028/www.scientific.net/amr.399-401.1886.

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Special SHY-99 anti-corrosion coatings are used for newly developed heat exchange equipment, to resist corrosion and leakage problem of carbon steel water-cooler. The anti-corrosion properties of coatings were examined with routine test methods, Scanning Electron Microscope (SEM), electro kinetic potential polarization curve method and immersion testing method. The results show that physical properties of coatings are in accordance with national standards, the microstructures of coatings are uniform and tight, the coatings are combined tightly with base metal, and the coatings show excellent corrosion resistance in water of water cooling system.

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Zhang, Da Quan, Li Xin Gao, and Huan Wu. "Anti-Corrosion Properties of Composite WC-Ni Based Brazing Coatings." Advanced Materials Research 347-353 (October 2011): 1605–8. http://dx.doi.org/10.4028/www.scientific.net/amr.347-353.1605.

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The flexible metallic cloth was made of mixed powder consisting of WC and organic blend. A brazing coating was obtained through the high temperature brazing of the metallic cloth in vacuum furnace. The anti-corrosion of the brazing coating was investigated by weight-loss method and electrochemical measurements. The surface morphology observation was conducted by the scanning electron microscopy (SEM). The results show that the composite coating has superior corrosion resistance compared with 316L stainless steel.

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Yu, Zu Xiao, Shi Xiong Hao, Lan Li, and De Tao Zheng. "The Influences of Additives on the Corrosion Resistant Properties of Electroless Plating Ni-W-P Alloy on the Aluminum." Applied Mechanics and Materials 723 (January 2015): 860–63. http://dx.doi.org/10.4028/www.scientific.net/amm.723.860.

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To improve the anti-corrosion properties of the aluminum, the electroless plating Ni-W-P on the aluminum is necessary. Investigation was made on the influences of additives (stabilizers and surfactants) on the deposition rate, weight loss corrosion rate, porosity, corrosion current, corrosion potential, electrochemical impedance spectroscopy (EIS) and webster hardness of electroless plating Ni-W-P alloy coating by electrochemical methods, etc. The results show that the deposition rate and anti-corrosion properties of electroless plating Ni-W-P are obviously improved when the stabilizer KIO3 (1mg/L) is added into plating solution. In addition, the Ni-W-P coating become more dense, uniform and defect-free with the addition of stabilizer KIO3 by comparison with no stabilizer. When the surfactant SDBS (50mg/L) added into bath, the corrosion resistance properties of electroless plating Ni-W-P alloy coating are also obtained.

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Fayomi, O. S. I., and A. P. I. Popoola. "Anti-corrosion properties and structural characteristics of fabricated ternary coatings." Surface Engineering and Applied Electrochemistry 51, no. 1 (January 2015): 76–84. http://dx.doi.org/10.3103/s1068375515010068.

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30

Jeong, Dong-Cheol, Amjed Javid, Long Wen, Eun Jung Choi, Su Yeon Park, Yong Ho Kim, Jeon Geon Han, and Changsik Song. "Low-temperature plasma polymerization of dicyclopentadiene for anti-corrosion properties." Polymer 92 (June 2016): 133–39. http://dx.doi.org/10.1016/j.polymer.2016.03.094.

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31

Šimková, Lenka, and Petra Šulcová. "Magnesium, aluminum and zinc co-substituted hydroxyapatite: anti-corrosion properties." Anti-Corrosion Methods and Materials 66, no. 4 (July 1, 2019): 496–506. http://dx.doi.org/10.1108/acmm-11-2018-2029.

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Purpose The purpose of this study was to investigate the influence of doping ions Mg2+, Zn2+, Al3+ to the structure of hydroxyapatite (HAP; Ca10(PO4)6(OH)2) and subsequently to evaluate their adaptation in structure and their anticorrosive properties. Design/methodology/approach The substituted hydroxyapatite was synthesized by precipitation method that included the addition of Mg2+, Zn2+ and Al3+ containing precursors to partially replace Ca2+ ions in the hydroxyapatite structure. For precipitation synthesis, three ratios of Ca/P = 1; 1.67; 3 and two values of pH = 7 and 12 were selected. Samples 1 (Ca/P = 1; pH = 7), 2 (Ca/P = 1.67; pH = 7), 3 (Ca/P = 3; pH = 7) and 5 (Ca/P = 1.67; pH = 12) were chosen to monitor the influence of doping ions Mg2+, Zn2+ and Al3+ to the structure of hydroxyapatite and its anticorrosive properties. Findings The chosen synthesis conditions are appropriate for the formation of crystalline HAP substituted by elements Mg, Zn and Al. Only for one sample (1-Mg), two different phases (hydroxyapatite and whitlockite) were identified in the phase composition. On the basis of preliminary corrosion tests, pigments were divided into three groups pursuant to their anticorrosion effectivity: pigments with high corrosion-inhibition efficiency; pigments without anticorrosive properties; and pigments that promote corrosion processes. Originality/value In addition, no doping effect can be observed except for the sample 1-Mg, which consists of two phases (hydroxyapatite and whitlockite). Preliminary corrosion tests prove that some samples of HAP have extremely high anticorrosive effectivity as effectivity of the commercial pigments. The accelerated corrosion test showed that HAP samples have insufficient corrosion-inhibition properties for coating applications compared with the commercial pigment.

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Zhu, Li Juan, Chun Feng, Hong Jiang Ge, Ya Qiong Cao, Li Hong Han, and Bin Xie. "Research Progress on Anti-Corrosive Properties of Graphene Modified Coatings." Materials Science Forum 993 (May 2020): 1140–47. http://dx.doi.org/10.4028/www.scientific.net/msf.993.1140.

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Graphene modified coatings have attracted extensive attention in recent years due to their excellent corrosion resistance and broad application prospects in the field of anti-corrosion. However, large-scale applications of graphene coatings were seldom reported, which is mainly attributed to the lack of fundamental research on the anti-corrosive mechanism and the long-term service performance evaluation of graphene modified coatings in actual working conditions. In the present work, the influence of the characteristics of corrosive medium, the content of graphene, the structure and morphology of graphene and the external environmental conditions on the anti-corrosive performance of graphene modified coatings were systematically reviewed. The deficiencies in the research of anti-corrosive performance of graphene modified coatings were summarized. The future work were prospected for the anti-corrosive performance and applications of graphene modified coatings in oil and gas exploration.

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Li, Zi Lin, Hong Yi Ding, Yi Du, and Jiang Xue. "The Corrosion Prevention Research of Long-Span Non-Uniform Continuous Steel Bridges." Applied Mechanics and Materials 361-363 (August 2013): 1129–32. http://dx.doi.org/10.4028/www.scientific.net/amm.361-363.1129.

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As its good mechanical properties, steel bridge has been widely used in modern highway, railway and urban bridge construction, but its corrosion protection is also a major issue. This paper studies the types of corrosion, the methods of anti-corrosion and focuses on coating protection--the most promising anti-corrosion method currently. It proposes some improvement measures for the corrosion protection, and has a certain reference value for the design and construction of such bridges.

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Ren, Zhi Qiang, Xiao Ming Wang, Qi Wei Wang, Chao Ji Zhou, and Yao Zhang. "Study on Anti-Corrosion Property of Nickel-Based Coatings on Copper Surface in Supersonic Particles Deposition." Applied Mechanics and Materials 778 (July 2015): 164–67. http://dx.doi.org/10.4028/www.scientific.net/amm.778.164.

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In this study, the anti-corrosion properties of nickel-based coatings on the surface of copper alloy were investigated, and damages caused by corrosion on the copper surface were resolved. Researchers prepared nickel-based coatings by supersonic particles deposition, and tested the anti-corrosion properties of brass substrate and nickel-based coating by electrochemical technology and neutral salt spray. The results show that, the corrosion current of coating decreased 35 times than that of matrix. The successive and pyknotic oxide film on the surface of coating prevented reaction of corrosion further. When it reached 500 hours, the corrosion rate closed to 0. Nickel-based coatings prepared by supersonic particles deposition contribute to the increase of corrosion resistance significantly, which verifies that it is feasible to prepare outstanding corrosion resisting nickel-based coating by supersonic particles deposition.

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Han, Chao, Li Ma, Xudong Sui, Bojiang Ma, and Guosheng Huang. "Influence of Low Energy Density Laser Re-Melting on the Properties of Cold Sprayed FeCoCrMoBCY Amorphous Alloy Coatings." Coatings 11, no. 6 (June 10, 2021): 695. http://dx.doi.org/10.3390/coatings11060695.

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Fe-based amorphous alloys (FAA) have excellent anti-corrosion and anti-abrasive comprehensive performances. However, sprayed thin FAA coatings with high porosity cannot provide efficient protection, or even accelerate the corrosion rate of the substrate due to galvanic corrosion. Laser re-melting densifying is usually used to improve the anti-corrosion performance of sprayed coatings. There are two disadvantages of the common laser re-melting method, including crystallization and residual stress. In the present paper, a low density energy laser re-melting method was used to improve the performance of cold spraying (CS) FeCoCrMoBCY FAA coating on 40Cr substrate. The results show that the CS FAA coatings were crystallized partially during the melting process. The hardness of the coating is improved at the melting zone after laser re-melting, which improves the anti-abrasive performance. Potentiodynamic test results show that laser re-melting can decrease the corrosion rate, but the salt spray test indicates that low energy density re-melting cannot eliminate penetrated diffusion passage. Further optimization should be conducted to improve the anticorrosion performance for this method.

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Yang, Shuanqiang, Shu Zhu, and Ruoyu Hong. "Graphene Oxide/Polyaniline Nanocomposites Used in Anticorrosive Coatings for Environmental Protection." Coatings 10, no. 12 (December 12, 2020): 1215. http://dx.doi.org/10.3390/coatings10121215.

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In recent years, metal corrosion causes serious threats to the economy of the world and the living environment. Hence, it is very important to seek non-toxic and environmentally friendly materials with metal anti-corrosion properties for the sustainable development of society. The barrier properties of graphene oxide (GO) and the special electrochemical property of polyaniline (PANI) can significantly improve the corrosion resistance of metals. Herein, we developed an in-situ polymerization method to prepare graphene oxide/polyaniline (GO/PANI) nanocomposites with unique anti-corrosion properties. The obtained GO/PANI nanocomposites were characterized by Fourier transform infrared spectroscopy, X-ray diffraction, thermalgravimetric analysis, UV–vis spectroscopy and scanning electron microscopy. The as-prepared composite materials were uniformly dispersed in epoxy resin to prepare anticorrosive coatings and coated on the surface of steel. The anti-corrosion performance of the coatings was measured by electrochemical impedance spectroscopy (EIS) and potentiodynamic polarization technique. The EIS results showed that the total impedance of epoxy/GO/PANI coatings is greater than epoxy/PANII coatings, and the impedance module value can reach 8.67 × 108 Ω·cm2. In general, it is concluded that the anti-corrosion performance of GO/PANI coating is significantly higher than PANI coating and pure GO coating.

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Song, K., T. Min, J. Y. Jung, D. Shin, and Y. Nam. "A superhydrophilic nitinol shape memory alloy with enhanced anti-biofouling and anti-corrosion properties." Biofouling 32, no. 5 (March 29, 2016): 535–45. http://dx.doi.org/10.1080/08927014.2016.1153633.

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Peng, Dongdong, Kang Huang, Yuntao He, Zhan Zhang, Yi Wang, and Junsheng Wu. "Hybrid sol-gel coating incorporated with TiO2 nanosheets and anti-corrosive effects on AA2024-T3." Anti-Corrosion Methods and Materials 66, no. 2 (February 21, 2019): 215–21. http://dx.doi.org/10.1108/acmm-08-2018-1980.

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Purpose This paper aims to improve the anti-corrosive properties of aluminum alloy AA2024-T3 by coating of hybrid sol-gel coating incorporated with TiO2 nanosheets and to investigate the effect of nanosheets’ size on the improvement of corrosion-resistant performance. Design/methodology/approach A series of hybrid sol-gel films incorporated with varying amounts of TiO2 nanosheets were developed to enhance the corrosion protection performance of the bare metal. Scanning electron microscopy, transmission electron microscopy and atomic force microscopy were used to investigate the structure and morphology of the coatings obtained. In addition, the corrosion-resistant properties of the coatings were evaluated using salt spray test and electrochemical impedance spectroscopy. Findings The corrosion current was as low as 9.55 × 10-4 µA/cm2 and optimal positive corrosion potential reached −0.6 V when the size and loading amount of TiO2 nanosheet were optimized, resulting in a remarkable improvement in anti-corrosive properties. Originality/value This work first investigates the effect of incorporation of TiO2 nanoparticles on hybrid sol-gel coating on the improvement of anti-corrosive performance of aluminum alloy AA2024-T3.

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Mohamad Saidi, Norshahirah, Ammar Shafaamri Shafaamri, Iling Aema Wonnie Ma, Ramesh Kasi, Vengadaesvaran Balakrishnan, and Ramesh Subramaniam. "Development of anti-corrosion coatings using the disposable waste material." Pigment & Resin Technology 47, no. 6 (November 5, 2018): 478–84. http://dx.doi.org/10.1108/prt-03-2018-0030.

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Purpose The purpose of this study is to develop anti-corrosion coating systems using disposable waste materials. The dissolved polyethylene terephthalate (PET) has been blended with epoxy resin and stoichiometrically cured with a polyamide resin. Design/methodology/approach Glycolysis process was found to be the most optimum candidate to dissolve PET. The developed coating systems were characterized by Fourier transform infrared spectroscopy for confirmation of the molecular bonding structures. The mechanical properties were characterized by performing pull-off test and cross hatch test for mechanical properties on the coated panel. Also, the glossiness test was used by reflecting light on the coated surface. The corrosion protection performance of the coated mild steel panels was examined using electrochemical impedance spectroscopy. Furthermore, the wettability of the developed coating systems was evaluated by using water contact angle technique. Findings It was observed that the coating system which contains 10 per cent of dissolved PET (S2) showed the highest adhesion and corrosion protection properties. Originality/value Recyclable PET bottles have outstanding chemical properties, adhesion properties, low cost, low permeability to gases and solvents making it suitable as a coating with superior barrier properties.

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Trusov, Valery, Rustam Khodzhaev, Olga Shilova, Olga Lezova, Oleg Zagrebelnyy, Aleksandra Ivanova, Larisa Krasilnikova, and Tatiana Belokon. "Binary Inhibitory Anti-Rust Paint." E3S Web of Conferences 225 (2021): 05006. http://dx.doi.org/10.1051/e3sconf/202122505006.

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A combined approach to paint was used to increase the effectiveness of anti-corrosion protection was used. In particular, passive insulating coating materials was modified with active additives. A water-soluble anodic inhibitor of atmospheric corrosion was encapsulated in a phosphate conversion coating NOTECH. As a result, the corrosion under a layer of paint primer was suppressed. It is important that phosphating does not create a layer like paint. So, such an approach is universal and compatible with most known types of paint coatings and can be combined with temporary protection (preservation). The second paint layer of the coating contained a water-oil-soluble corrosion inhibitor of the group “M”, namely: N-M-1. It is adduct of natural fat vegetable acids and cyclohexylamine. The data of corrosion tests and polarization curves are presented, which confirm the high protective properties of the proposed binary inhibitory anti-rust paint.

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Wang, Xiao Ming, Sheng Zhu, Qing Chang, Xue Qiang Feng, and Guo Feng Han. "Anti-Corrosion Properties of Al-Based Coating on Magnesium Alloy Fabricated by Supersonic Particles Deposition." Advanced Materials Research 746 (August 2013): 524–28. http://dx.doi.org/10.4028/www.scientific.net/amr.746.524.

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In order to improve anti-corrosion property of magnesium alloy parts in equipment, Al-based alloy coating on ZM5 magnesium alloy was prepared by supersonic particles deposition (SPD). Mass gain after being corroded, surface morphology of samples corroded and corrosion products were investigated by salt-mist test, SEM observation and EDS analysis etc. The results indicated that the mass gain of Al-Si coating after being corroded decreased evidently compared with magnesium alloy substrate. Al-Si coatings with thickness above 0.5mm did not generate blisters after 500h salt-mist test, proving that the coating possessed excellent anti-corrosion property.

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Fan, Haifeng, and Zhiguang Guo. "Robust multi-functional slippery surface with hollow ZnO nanotube structures." New Journal of Chemistry 44, no. 36 (2020): 15483–91. http://dx.doi.org/10.1039/d0nj03559a.

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Bhattarai, Jagadeesh, Madan Somai, Nirmal Acharya, Ajaya Giri, Akash Roka, and Nav Raj Phulara. "Study on the effects of green-based plant extracts and water-proofers as anti-corrosion agents for steel-reinforced concrete slabs." E3S Web of Conferences 302 (2021): 02018. http://dx.doi.org/10.1051/e3sconf/202130202018.

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Widespread applications of reinforced concrete structures have been practiced since the 20th century because of their excellent properties despite their early corrosion degradation. For the control of such a problem, a design strategy of corrosion-resistant environments of the reinforced concrete structures is highly desirable for extending of a lifetime. The present research work was focused to investigate the effects of the green plant extract-based inhibitors from Vitex negundo and Catharanthus roseus leaves, and one waterproofing chemical (PtS) for controlling the corrosion susceptibility of concrete rebar using a half-cell potential method following the ASTM C876-91 standard. Both plant extracts have good anti-corrosion properties, and hence could be applied as green concrete additives to increase the corrosion resistance of the steel reinforcing bars. The anti-corrosion performance of the steel rebars in concrete is remarkably higher with the additions of 1000 and 2000 ppm plant extracts than the additions of waterproofing chemicals used, based on the shifting of corrosion potential (ϕcorr.) values to a more positive direction than −126 mV (SCE). The results agreed that both the plant extracts could be promising for the formulation of effective, ecofriendly anti-corrosion additives to delay the corrosion susceptibility of the concrete infrastructures.

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Zhang, Ai Li, Cai Cai Chang, and Yan Hong Jia. "Design of Formulation and Performance Research of Water-Borne Epoxy Modefied by 3-(trimethoxysilyl)propyl Methacrylate Anti-Corrosion Coatings." Applied Mechanics and Materials 713-715 (January 2015): 2644–48. http://dx.doi.org/10.4028/www.scientific.net/amm.713-715.2644.

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A waterborne anticorrosive coatings was prepared with homemade organic silicone 3-(trimethoxysilyl) propyl methacrylate modified epoxy acrylate emulsion as basic material, glass flake as anticorrosive filter and titanium dioxide as pigment and other additives. The anti-acid alkali salt, AC impedance, polarization curve tests were done to evaluate the coatings’ anticorrosion properties and to optimal its formula and process. The results showed that the best formula was: glass flake 35%, particle size 80 meshes, titanium dioxide as anticorrosive pigment 18% and the emulsion with epoxy at 45% content as base material. In this case, the coatings’ anti-acid, alkali and salt’s properties is good, the impedance values was up to eight orders of magnitude, the corrosion current was 9.59 × 10-8A and every indicator met the requirements of the JB/T224-2007 "Building with Steel Structure Anticorrosion Coatings". The water-epoxy anti-corrosion coating has safe environmental protection, zero VOC, excellent anti-corrosion properties and other indexes meet national standards.

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Deryushev, V. V., M. M. Zaytseva, E. E. Kosenko, and S. K. Mamberger. "Evaluation of the properties of anti-corrosion coatings of steel structures." SAFETY OF TECHNOGENIC AND NATURAL SYSTEMS, no. 4 (2020): 24–29. http://dx.doi.org/10.23947/2541-9129-2020-4-24-29.

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Introduction. The properties of an object with metal structures and the safety of its use depend on the environmental impact. This explains the urgency of the problem of universality of anticorrosive coatings. Problem Statement. The main goal of the study is to find a new approach to choosing the most rational means of protecting metal structures from corrosion based on experimental data. This takes into account the possibility of obtaining fuzzy information on various evaluation criteria. Theoretical Part. The main objectives of the study: the formation and justification of necessity of application of concepts (axioms) of sufficiency; analysis of the quality of anti-corrosion materials; constructing a measure for assessing (analyzing) the quality of facilities; evaluation (analysis) of quality of corrosion resistance in accordance with the concept of sufficiency. Conclusion. The original approach to the problem of choosing the most rational means of protecting metal structures from corrosion is based on experimental data. The considered general methodology can be used for selecting criteria for evaluating the safety of metal structures, since it is based on proven decision-making methods.

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Deyab, M. A., A. S. Fouda, and S. Abdel-Fattah. "New Heterocyclic Derivative to Stop Carbon Steel Corrosion." Zeitschrift für Physikalische Chemie 234, no. 1 (January 28, 2020): 63–73. http://dx.doi.org/10.1515/zpch-2019-1399.

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AbstractThe new compound 4-(2-(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)hydrazono)-3-methyl-5-oxo-4,5-dihydro-1H-pyrazole-1-carbothioamide (PY) was synthesized. Its anti-corrosion properties for C-steel in acid solution (1.0 M HCl) were evaluated utilize electrochemical tools. The synthesized compound was described using FT-IR and 1H-NMR analyses. The purity of PY was affirmed by thin-layer chromatography (TLC). The outcome data proved that PY possess adequate anti-corrosion features for C-steel in corrosive solution. The polarization parameters mentioned that the PY is a mixed inhibitor. Inhibition performance obtained by polarization measurements (i.e. 91.5%) are consistent with the one obtained by EIS (i.e. 88.6%). Quantum chemical parameters for PY were studied to supply assist knowledge into the anti-corrosion properties of the new compound.

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Dou, Baojie, Hang Xiao, Xiuzhou Lin, Yingjun Zhang, Shixiong Zhao, Song Duan, Xiulei Gao, and Zhiwen Fang. "Investigation of the Anti-Corrosion Properties of Fluorinated Graphene-Modified Waterborne Epoxy Coatings for Carbon Steel." Coatings 11, no. 2 (February 21, 2021): 254. http://dx.doi.org/10.3390/coatings11020254.

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Waterborne epoxy resin (WEP) has been widely used as an anti-corrosive coating for metals. However, it is still a big challenge to further improve its anti-corrosion performance due to the poor barrier properties to corrosive media. In this study, fluorinated graphene (FG) was used as a filler in WEP to improve its barrier properties, which contributes to corrosion resistance enhancement. The chemical composition and microstructures of FG and FG-modified WEP were systematically analyzed, and its corrosion resistance was also studied. Results reveal that the addition of FG sheet to WEP not only can significantly improve the tensile strength of WEP coating, but also increase the barrier properties of WEP coating and block the penetration of corrosive agent throughout the coating to the interface between coating and substrate. Meanwhile, the results also declare that the F content of FG has a significant effect on mechanical properties and long-term corrosion resistance, and the performance of FG-modified WEP coating will deteriorate with the increase of F content.

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Murakami, Kenji. "Corrosion Protection and Anti-Fouling Properties of Thermal Sprayed Metal Coatings." Journal of The Japan Institute of Marine Engineering 46, no. 5 (2011): 698–703. http://dx.doi.org/10.5988/jime.46.698.

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Ganda, Andita N. F., and Ching-Yuan Su. "The parametric study on anti-corrosion properties produced by electrochemically exfoliated." IOP Conference Series: Materials Science and Engineering 494 (March 29, 2019): 012015. http://dx.doi.org/10.1088/1757-899x/494/1/012015.

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Qi, Zhong-Nan, Chang-Qiao Zhang, Ruo-Xi Wang, Cheng-Bu Liu, and Zheng-Long Chen. "Investigation of Microstructures and Anti-corrosion Properties of Aluminium-Zinc Alloys." Chinese Journal of Chemistry 23, no. 9 (September 2005): 1182–86. http://dx.doi.org/10.1002/cjoc.200591182.

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