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Journal articles on the topic 'Corrosion and anti-corrosives Research'

Author: Grafiati
Published: 4 June 2021
Last updated: 20 February 2023

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1

Alimova, Zebo Khamidullaevna, Makhamat Makhamajanov, Ibrahim Akhmatjanovich, and Karimulla Irgashevich Magdiev. "Research Of Anti-Corrosion Properties Of Engine Oils When The Engine Is Running." American Journal of Agriculture and Biomedical Engineering 03, no. 11 (2021): 28–33. http://dx.doi.org/10.37547/tajabe/volume03issue11-08.

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The article studied the protective properties of engineoils against corrosion of metal surfaces. The corrosive properties of oils are enhanced when there is an aggressive compound in it, as well as with an increase in humidity and air temperature. It is established that the protective layer on the path of aggressive products to metal surfaces is corrosion inhibitors, which contribute to the formation of adsorbed or chemical pellicle on metal surfaces. The results of the solubility of additives depending on the heating temperature and recommendations for their use are presented.
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2

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
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3

Zheng, Wei, Xizhong Li, Zhongkai Xu, Zhuochen Jin, and Yang Liu. "Research on corrosion mechanism of overhead conductor." E3S Web of Conferences 233 (2021): 01085. http://dx.doi.org/10.1051/e3sconf/202123301085.

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During the operation of overhead conductors, conductors are corroded to varying degrees by the smoke and dust, harmful gases from factories around the lines, or in corrosive salt fog atmosphere in coastal and island areas, as well as humid and hot weather conditions. In this paper, through the study of the corrosion mechanism of the conductor, the types of the corrosion are analyzed, and the factors leading to the corrosion and the corrosion process are analyzed by selecting the steel cored aluminum stranded wire, so as to provide theoretical basis for the development of anti-corrosion wire an
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4

Du, Jian Min, Rui Min Jiao, Ying Shu Yuan, and Xiao Meng Zhu. "Research on the Anti-Sulfate and Chlorine Corrosion Property of Concrete." Advanced Materials Research 243-249 (May 2011): 5727–32. http://dx.doi.org/10.4028/www.scientific.net/amr.243-249.5727.

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In this paper wetting-drying cycle in the natural situation and increasing the concentration of sulfate solution is used in the laboratory , in order to accelerate the sulfate corrosion of concrete. The ultrasonic speed of sound on the opposite face is tested by ultrasonic technique regularly in order to reflect the change of concretes strength with the relative dynamic modulus.And at the same time the cube compressive strength test is used to detemine the corrosioned concretes intensity.Though the trend of relative dynamic modulus development which are in four different conditions to explain
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5

Xu, Bin, Ke Zai Miao, Jing Yang, and Bai Yang Lou. "The Research on Anti-Corrosion Property of Epoxy/Polyurethane Coating of Magnesium Alloys." Advanced Materials Research 152-153 (October 2010): 1262–66. http://dx.doi.org/10.4028/www.scientific.net/amr.152-153.1262.

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The epoxy/polyurethane coating has high electrical isolation, anti-corrosion and high adhesive bond strength with magnesium alloy substrate. The coating can effectively block or reduce the substrate erosion induced by water, oxygen as well as the corrosive ions such as , and . The mechanism and efficiency of corrosion protection of the polyurethane coating and epoxy/polyurethane coating on magnesium alloys were studied experimentally. The results indicate that both kinds of coatings improved the anti-corrosion property of magnesium alloy evidently. The anti-corrosion property of the epoxy/poly
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6

Qiu, Zhichao, Chunming Xiong, Zhengrong Ye, Ran Yi, and Na Zhang. "Wellbore anti-corrosion technique research in B block on the right bank of Amu Darya river sour gas field." Anti-Corrosion Methods and Materials 66, no. 1 (2019): 67–73. http://dx.doi.org/10.1108/acmm-02-2018-1905.

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Purpose The purpose of this paper is to solve the tubing corrosion problem of B Block on the Right Bank of Amu Darya river sour gas field. Design/methodology/approach By using four-point-bending method, the tubing’s ability to resist sulfide-stress cracking was tested. Simulating the wellbore corrosive environment, the corrosion inhibitor which was suitable for gas filed had been screened. According to the characteristic of Amu Darya river gas field, the corrosion monitor system had been designed. Findings From the feedback of wellbore corrosion monitor result, the corrosion rate was lower tha
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7

Asgarov, Emil. "INITIAL RESEARCH OF MINERAL BASED ANTI-CORROSION MULTICOMPONENT COMPOSITE MATERIAL." Gulustan-Black Sea Scientific Journal of Academic Research 48, no. 05 (2019): 142–47. http://dx.doi.org/10.36962/gbssjar142.

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The new approach is to create a multicomponent composite material on a basis of mineral component by defining extreme value of the multi-variable function. It is decided to carry out theoretical analyze first. For theoretical analysis, the effects of component quantity on the parameters to be determined by experiments and in all cases the results to be theorized. Thus, the mathematical formula for the relation of anti-corrosion with components has been determined. In order to evaluate anti-corrosion it is defined multi-variablefunctional relation and with this function it is achieved extreme v
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8

Tang, Ying, and Guo An Wang. "A Research on the Anti-Sulfate Corrosion Effects of the Concrete Mixed with Complex Multi-Mineral Admixture." Applied Mechanics and Materials 71-78 (July 2011): 755–59. http://dx.doi.org/10.4028/www.scientific.net/amm.71-78.755.

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This paper is focused on the method for improving capability of anti-sulfate corrosion of concrete. Based on the performance characteristics of mineral admixture, propose a method that mixing concrete with complex multi-mineral admixture to improve the effect of anti-sulfate corrosion. Finally, the ability of anti-sulfate corrosion and anti-dry-wet cycle, in different case, is studied and compared. The results show that concrete mixed with complex multi-mineral admixture is advantageous to improve the anti-sulfate corrosion effects of the concrete. The proportion of mineral admixtures has sign
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9

Qu, Wen Tao, Si Ying Liu, and Zhang Shi Xu. "Research on Corrosion Rate of Sucker Rod Steel 20Ni2Mo in Wet H2S Environment." Materials Science Forum 814 (March 2015): 319–24. http://dx.doi.org/10.4028/www.scientific.net/msf.814.319.

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Among the factors to cause the corrosion in oil and gas fields, H2S is the most common and harmful corrosive medium. During oil field exploitation, enhancing the ability of the sucker rods to resist corrosion is the key measure of prolonging the service life of sucker rods and guarantee of safe operation of petroleum equipment. This paper focuses on the corrosion of sucker rod steel 20Ni2Mo in different concentrations or temperatures of H2S. The appearance of corrosive surface scanned by scanning electron microscope was analyzed and theoretic basis for anti-corrosion and material-selecting of
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10

Du, Bin, Shi Sheng Zhou, Na Li Li, and Nan Wang. "Research Progress of Surface Modification of Aluminum Powders for Corrosion Protection." Applied Mechanics and Materials 80-81 (July 2011): 70–75. http://dx.doi.org/10.4028/www.scientific.net/amm.80-81.70.

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As an important metallic powder, aluminum powders are used widely in coating, inks and plastic industry. However, it is necessary to treat the aluminum powders first to improve the properties of weather-resistance, anti-corrosion in acidic or basic media and compatibility with resin. The methods of surface treatment of aluminum powders including encapsulation and using corrosive inhibitors are summarized. The kinds of corrosive inhibitors used in the method of corrosion inhibition and their mechanisms are also reviewed. The processes and technologies of inorganic passivation, encapsulation by
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11

Peng, Lei, Dong Hua Guo, and Heng Quan Liu. "Research on Application Performance of Surface Anti-Corrosion Technology of Corrugated Steel Beam Guardrails." Advanced Materials Research 787 (September 2013): 10–13. http://dx.doi.org/10.4028/www.scientific.net/amr.787.10.

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The hot-dip galvanized and hot dip aluminized are widely used surface anti-corrosion technologies in steel beam guardrails region all over the world. Both of coating can not only play the role of landscaping, but also can protect the base metal from being eroded, and greatly extending the life of the guardrails. The appearance quality, process characteristics, corrosion resistance and cost of the two anti-corrosion coating are described in this paper. By analyzing both the similarities and differences between the two anti-corrosion technologies and their application advantages, we hope to prov
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12

Liu, Yusheng, Dingding Xiang, Kaiming Wang, and Tianbiao Yu. "Corrosion of Laser Cladding High-Entropy Alloy Coatings: A Review." Coatings 12, no. 11 (2022): 1669. http://dx.doi.org/10.3390/coatings12111669.

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Material corrosion is a common phenomenon. Severe corrosion not only causes material failure, but may also lead to unexpected catastrophic accidents. Therefore, reducing the loss caused by corrosion has become a problem faced by countries around the world. As a surface modification technology, laser cladding (LC) can be used to prepare coatings that can achieve metallurgical bonding with the substrate. High-entropy alloys (HEAs) are a new material with superior anti-corrosion ability. Therefore, HEA coatings prepared by LC have become a research hotspot to improve the anti-corrosive ability of
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13

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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14

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 i
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15

Qiang, LI, Zhang Zhuoyu, and LI Ke. "Experimental Research on Fuel Oil Corrosion Resistance of Asphalt Mixtures." MATEC Web of Conferences 275 (2019): 04005. http://dx.doi.org/10.1051/matecconf/201927504005.

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Asphalt mixtures were immersed in the fuel oil to study the oil corrosion resistance. The mechanical performance of asphalt mixtures in the oil was evaluated by the observation, mass loss measurement, Marshall stability test and splitting strength test. Effects of immersion time, binder types, and anti-oil corrosion additive content were analyzed. It is found that there is the evident stripping after immersing the mixture in the oil. The stability test and strength significantly decrease. Using the anti-oil corrosion additive can effectively improve the mechanical performance of asphalt mixtur
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16

Zhang, Linkai. "Research on The Corrosion and Protection Measures of Sulfur Recovery Device." Academic Journal of Science and Technology 2, no. 3 (2022): 42–44. http://dx.doi.org/10.54097/ajst.v2i3.1487.

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The main corrosion patterns of high temperature sulfur corrosion, dew point corrosion, stress corrosion, air corrosion and hydrogen sulfide corrosion in sulfur recovery plant are discussed, and the corresponding corrosion mechanisms of various corrosion patterns are analyzed, and targeted anti-corrosion measures are proposed in terms of structural design, equipment material selection, start-up and shutdown protection and operation specification.
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17

Zhu, Li Juan, Chun Feng, Kai Zhang, et al. "Research Progress on Properties and Application of Titanium Alloy Oil Country Tubular Goods." Materials Science Forum 1071 (October 18, 2022): 56–66. http://dx.doi.org/10.4028/p-97vm9t.

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In recent years, with the rapid development of modern petroleum industry, some conventional oil country tubular goods (OCTGs) have been unable to meet the requirements of ultra-deep oil and gas drilling and production. Titanium alloy OCTGs showed broad application prospects due to its high specific strength, Low elastic modulus and strong CO2+H2S+Cl- corrosion resistance. However, large-scale applications of titanium alloy OCTGs were seldom reported, which is mainly attributed to the lack of anti-corrosive resistance and mechanical performance of titanium alloy OCTGs in the working conditions.
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18

Qin, Feng, Zhuang Bin He, and Qiong Nian Huang. "Research on the Corrosion Resistance of Manganese Slag Cement Stabilized Macadam Base." Advanced Materials Research 280 (July 2011): 13–18. http://dx.doi.org/10.4028/www.scientific.net/amr.280.13.

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In this study, the unconfined compressive strength and anti-corrosion capacity and erosion resistibility were evaluated. Different admixture amounts of manganese slag cement were used as constituents of stabilized macadam base specimens. On the prepared specimens mechanical property test、continuous immersion experiment and anti erosion experiment were carried out for the research on the corrosion resistance of manganese slag cement stabilized macadam base. It was observed that corrosion resistance and scour resistance performances were significantly improved with the incorporation of manganese
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19

Nguyễn, Thị Lê Hiền, Đình Dũng Nguyễn, Thị Hường Phạm, and Thành Đạt Đoàn. "Research on production of a composite coating system to control corrosion at pipe supports." Petrovietnam Journal 5 (July 4, 2022): 28–37. http://dx.doi.org/10.47800/pvj.2022.05-04.

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The coating system which consists of 03 layers based on epoxy anti-corrosion primer containing graphene, MS polymer sealant, and glass fibre reinforced polyester has been studied for control of corrosion at pipe supports. Graphene is dispersed at a concentration of 100 ppm in epoxy to form a primer coating, which can improve the adhesion, mechanical properties, and corrosion resistance as compared to epoxy coating without graphene. Polyester reinforced with 20% glass fibre allows increased impact strength and enhances the economic efficiency of the pipelining. The silicone-based MS polymer lay
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20

Guo, Rui Hua, Fang Sheng Liu, and Lin Min Wang. "Research of Anti-Corrosion of Armour Steel in Surface Chromate Conversion Coating." Advanced Materials Research 734-737 (August 2013): 2332–37. http://dx.doi.org/10.4028/www.scientific.net/amr.734-737.2332.

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This article by orthogonal experimental method to determine the composition of chromate conversion and use of electrochemical method of electrochemical corrosion of the film discussed the substrate in different components, content, time and pH of chromate conversion coating of corrosion resistance. Orthogonal to determine the best experimental chromate conversion solution by adding the rare earth element cerium and lanthanum salt, and discuss the effects of rare earth elements cerium and lanthanum chromate conversion film on the anti-corrosion. The results show that in CrO3 5.4 g/L, NaF 0.5 g/
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21

Ding, Rui, Si Chen, Jing Lv, et al. "Review of Theoretical and Applied Research of Graphene in Anti-corrosion Film and Organic Anti-corrosion Coatings." Acta Chimica Sinica 77, no. 11 (2019): 1140. http://dx.doi.org/10.6023/a19050174.

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22

Liu, Xiaoyan, Handuo Jie, Ruidan Liu, Yanqi Liu, Tianyu Li, and Kai Lyu. "Research on the Preparation and Anticorrosion Properties of EP/CeO2-GO Nanocomposite Coating." Polymers 13, no. 2 (2021): 183. http://dx.doi.org/10.3390/polym13020183.

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Due to its special two-dimensional lamellar structure, graphene possesses an excellent shielding effect, hydrophobic characteristics and large specific surface area, which can effectively isolate the internal structure from the external corrosive media. However, lamellar graphene is easy to stack and agglomerate, which limits its anti-corrosion performance. In this paper, cerium oxide-graphene oxide (CeO2-GO) nanocomposites were prepared by a hydrothermal synthesis method. Field emission scanning electron microscope (FESEM) and transmission electron microscope (TEM) were applied for microstruc
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23

Song, Liu Bin, Dao Wu Yang, Zhong Liang Xiao, and Feng Zhang. "Research on Effects of Inhibitors on Anti-Corrosion Performance of Reinforced Bar in the Concrete." Advanced Materials Research 239-242 (May 2011): 1195–98. http://dx.doi.org/10.4028/www.scientific.net/amr.239-242.1195.

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The corrosion behavior of reinforcing bars in concrete was studied by simulating the 4×4 wire-beam electrode array. Different inhibitors were added to reinforced concrete. By measuring the open-circuit potential of an iron wire, the impact of different inhibitors on the corrosion of rebar in the concretes was studied after immersion in NaCl solution. The result showed that best protection was achieved by adding NaNO2 and aniline as inhibitors jointly to the concrete, as this combination maintained the open-circuit potential within the passivation range at all times, so ensuring the integrity o
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Hu, Nan, Haichao Yang, Haitao Wei, and Wenjuan Li. "Research and test on anti-corrosion and anti-scaling technology of downhole injection tools of Dagang Southern Oil Field." E3S Web of Conferences 213 (2020): 03030. http://dx.doi.org/10.1051/e3sconf/202021303030.

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Every year, water well inspection operations accounted for 27.3% of the total water well operations due to corrosion and scaling of downhole injection tools in the Dagang Southern Oil Field, which seriously affects the validity period of the injection string and the effect of the injection, greatly increasing the production cost. Therefore, through the research and experiment of anti-corrosion and anti-scaling technologies such as 00Cr25Ni7Mo3N dual-phase steel material, TiN coating, Ni-W-P coating and Ni-W-P-nSiO2 composite coating, a new type of anti-corrosion and anti-scaling technology for
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25

Wang, Cheng Cheng, Yue Zhong Ye, and Tong Chao Liu. "Study of the Additional Anti-Corrosion Measures of Bridge Pier Caps Concrete in Beijing-Shanghai High Speed Railway." Advanced Materials Research 831 (December 2013): 380–86. http://dx.doi.org/10.4028/www.scientific.net/amr.831.380.

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Based on the analysis of corrosion mechanism, combining with the characteristics of bridge structure, aiming at the existence of corrosive medium and complex physical environment, such as the freezing thawing, corrosion and chlorine salt as well as dry wet, freeze-thaw cycle [, This paper expounds the research and construction practice of the additional anti-corrosion measures of bridge pier caps concrete in Beijing-shanghai high speed railway. It has a certain guiding significance to the similar Bridges in corrosion protection construction.
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26

Zeng, De Zhi, Yuan Hua Lin, Da Jiang Zhu, et al. "Study on H2S Corrosion Resistance of L245/825 Lined Steel Pipe Welding Gap." Advanced Materials Research 160-162 (November 2010): 1264–69. http://dx.doi.org/10.4028/www.scientific.net/amr.160-162.1264.

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The exploitation of high acid wells is facing severe corrosion challenges in the A and B gas fields in Sichuan, thus using lined steel pipe is a reliable and cost-effective anti-corrosion measure. However, lined steel pipe welding involves dissimilar steel welding, and anti-corrosion performances will be affected if the welding process is unreasonable. So it is necessary to make evaluation for corrosion of lined steel pipe. In this paper, taking welding gap of L245/825 lined steel pipe as example, the anti-SSC performances of L245/825 straight and ring welding gaps in NACE A solution were stud
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27

Qu, Cheng Tun, Xin Wang, Hong Guang Su, Jing Tian, and Xue Yang. "Corrosion Factors Analysis and Anti-Corrosion Measures Research of Changqing Oil Field Concentrated Treatment Station." Applied Mechanics and Materials 295-298 (February 2013): 1144–48. http://dx.doi.org/10.4028/www.scientific.net/amm.295-298.1144.

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In this experiment the main corrosion factors of produced water in Changqing Oil Field concentrated treatment station was studied. In terms of ion component analysis, dissolved oxygen detection, bacteria content measurement, corrosion rate determination, as well as Gray Relational Analysis (GRA) method. And the corrosion products Scanning Electron Microscope Energy Dispersive X-ray analysis(SEM/EDX) were conducted. The results showed that the TGB content, pH value, S2-content, HCO3-, and dissolved oxygen content were the main corrosion factors. This study indicated that the corrosion rate of t
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28

Bi, Zong Yue, La Jun Feng, and A. Li Lei. "Research on the Electrochemical Behaviour of H05MnNiMo and H06H1 Submerged Arc Welded Seam in the S2- Medium." Advanced Materials Research 250-253 (May 2011): 4010–15. http://dx.doi.org/10.4028/www.scientific.net/amr.250-253.4010.

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Welding sticks H05MnNiMo and H06H1 are developed to improve the corrosion resisting property of the X80 pipeline in submerged arc welding. Influence of the concentration of sulfur-bearing medium and the temperature on the corrosion of welding seam from X80 pipeline steel was investigated with the Electrochemical Polarization Method and Weight loss Method. And the characteristic and mechanical of the welding seam was discussed. The results show that the welding seam prepared in H05MnNiMo is of high corrosion potential, both of the welding seams have a maximum of corrosion rate 1.0×10-7 mm/a, in
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29

Wei, Shi Cheng, Bin Shi Xu, Xiu Bing Liang, Yu Jiang Wang, and Yi Liu. "Research on Corrosion-Resistance of High Velocity Arc Spray Coatings on Surface of Steel Structure in Splash Zone Environment." Materials Science Forum 675-677 (February 2011): 1291–94. http://dx.doi.org/10.4028/www.scientific.net/msf.675-677.1291.

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The most severe corrosion of offshore steel structure occurs in splash zone. There are many factors affecting the steel structure corrosion in the splash zone, such as corrosion problems caused by seawater and effect of impacted brought by the ocean wave. Considering the corrosion characteristics in splash zone and the corrosion invalidity behaviors of offshore steel structure, the Zn-15Al, Al-RE, Zn-Al-Mg-RE and FeBSiNb uncrystal coatings were prepared by automatic high velocity arc spraying. The different anti-corrosion behaviors of the four coatings were studied through the corrosion compar
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Xu, Cun Dong, Yan Wang, Hui Min Hou, and Lu Xin Zhai. "The Application of CM Anti-Corrosion Composite Material in Repair Technology of the Corroded Concrete Buildings." Advanced Materials Research 239-242 (May 2011): 2174–78. http://dx.doi.org/10.4028/www.scientific.net/amr.239-242.2174.

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Based on the mechanism research of buildings corroded by the high salinity groundwater, this paper suggested that the corrosion problem can be solved by improving the anti-corrosion capability of the buildings in itself and reducing erosive medium. This paper put forward a repair technology which use the CM anti-Corrosion Composite Material to improving the anti-corrosion capability of the buildings in itself .The engineering practices demonstrated that this technology is worthy popularization for anti-corrosion of concrete buildings in irrigation areas.
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Huang, Chang Shan, Jin Ying Wu, Hui Wu Xu, Yu Shan Cheng, and Min Zhang. "Research of Corrosion and Protection on Boiler and Pipelines by Condensing Water." Applied Mechanics and Materials 239-240 (December 2012): 1589–95. http://dx.doi.org/10.4028/www.scientific.net/amm.239-240.1589.

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Boiler and pipeline that using steam condensation water will be eroded when the steam condensation water absorb dissolved oxygen and carbon dioxide in the production and recycling process. In order to solve this problem, a preferably management flow and process were developed to slow down the Boiler and pipeline corrosion process by analyzing the microstructure of corrosive Boiler and pipeline with a Electrochemical method. Firstly, rinse the Boiler and pipeline with 5% citric acid at about 90 oC, after that process adding 4~6mg/L anti-filthy corrosion inhibitor to the steam condensation water
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Huang, Ben Sheng, Zhong Ying Jiang, and Zhou Fan. "Research of G105 Chloride Ion Stress Corrosion Cracking." Advanced Materials Research 152-153 (October 2010): 659–65. http://dx.doi.org/10.4028/www.scientific.net/amr.152-153.659.

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At present, there are also very few regarding drill pipe's SCC research in chloride ion ambient medium, so it is specially important to definite the stress corrosion sensitivity of drill pipe to the influence under different chloride ion density and to provide the appraisal basis for the influence of the chloride ion density to drill pipe's corrosion. Applied the G105 drill pipe material to do Slow Stress Rate Testing (SSRT) and the electrochemical experiment under the different chloride ion environment, analyzed the variation of corrosion current and corrosion potential and observed the fract
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33

Yang, Ben Ju, Qiu Yi Li, Song Gao, and Tao Li. "Research on Sulfate Attack Resistance of Concrete with Sulfate Corrosion-Resistance Admixture." Applied Mechanics and Materials 71-78 (July 2011): 3562–65. http://dx.doi.org/10.4028/www.scientific.net/amm.71-78.3562.

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A concrete sulfate corrosion-resistance admixture is developed with anhydrous calcium sulfo aluminate (C-S-A), super fine slag powder (P800) and anhydrite (CaSO4) in this paper. Scope of prescription is optimized according to performance requirements of JC/T1011-2006. This sulfate corrosion-resistance admixture has declared Chinese national invention patent (201010256189.2)[1]. Corrosion resistance coefficient is tested after sulfate corrosion-resistance admixture is adjoined into fly ash concrete. The results reveal that sulfate resistance of the concrete is obviously improved by addition of
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34

Hasnidawani, J. N., Noor Azlina Hassan, Hassan Norita, Noorasikin Samat, Noor Najmi Bonnia, and Siti Norasmah Surip. "ZnO Nanoparticles for Anti-Corrosion Nanocoating of Carbon Steel." Materials Science Forum 894 (March 2017): 76–80. http://dx.doi.org/10.4028/www.scientific.net/msf.894.76.

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Nanostructured coatings offer great potential for various applications due to their superior characteristics that are not typically found in conventional coatings. This research aimed at developing a new and improved coating that employs zinc oxide nanopowder as the agent to achieve corrosion resistant properties for a coating. The research project discusses on its corrosion behaviour of epoxy-zinc oxide in different media by measuring its corrosion rate. Mild carbon steel was used as the substrate for the epoxy-zinc oxide coating. The corrosion behavior mechanism of mild steel was investigate
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35

Huang, Ben Sheng, and Jie Lu. "Research on Fatigue Failure of Steel E4330 for Fluid Cylinder." Materials Science Forum 814 (March 2015): 241–48. http://dx.doi.org/10.4028/www.scientific.net/msf.814.241.

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Fluid cylinder as an important fracturing equipment with stable and reliable performance is commonly applied in oil and gas fields, but it fractures frequently and its working life is generally low, which has seriously affected the fracturing process efficiency. In this paper, we used the stereo microscope, scanning electron microscope (SEM), direct reading spectrometer, metallurgical microscope and bending fatigue testing machine to study the fatigue failure mechanism of steel E4330 for fluid cylinder. The fracture analysis, hardness test, metallographic observation, bending fatigue test and
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36

Li, Yangfan, and Chengyun Ning. "Latest research progress of marine microbiological corrosion and bio-fouling, and new approaches of marine anti-corrosion and anti-fouling." Bioactive Materials 4 (December 2019): 189–95. http://dx.doi.org/10.1016/j.bioactmat.2019.04.003.

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Ma, Shi De, Xia Zhao, Hong Ren Wang, and Ji Zhou Duan. "Research on the Antifouling Mechanisms of Copper and its Alloys." Advanced Materials Research 79-82 (August 2009): 2179–82. http://dx.doi.org/10.4028/www.scientific.net/amr.79-82.2179.

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In this paper, the in-situ exposure tests of 15 kinds of copper and its alloys were carried out in seawater at Zhanjiang Harbor for 12 months in order to study their anti-fouling abilities and anti-corrosion properties. In the same way, the in-situ anti-fouling tests of copper and bronze were performed in Qingdao for 8 years. Successively, the anti-fouling properties were analyzed combining with the electrochemical process of copper alloy corrosion and biology process of the adhesion. The chemical, physical and biological factors influencing the fouling properties of copper alloys were also in
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38

Qiu, Lu Ying, Long Gui Peng, Guo Qiang Duan, and Ce Wang. "Preparation and Research of the Anticorrosive Coatings with Copper Ions-Polyaniline Loaded Montmorillonite." Materials Science Forum 809-810 (December 2014): 596–603. http://dx.doi.org/10.4028/www.scientific.net/msf.809-810.596.

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Montmorillonite intercalated polyaniline material was prepared by Situ polymerization method,the effects ofinitiator content, polymerization time, temperature and other parameters on the adsorption Cu2+of prepared material were discussed by single-actor method and the montmorillonite loaded copper ions-polyaniline was obtained. Finally an anti-corrosion coating was prepared with montmorillonite loaded copper ions-polyaniline as filler.The results showed that montmorillonite intercalated polyaniline had the best adsorption characteristics on Cu2+and its light transmission rate reached 100% when
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39

Fan, Baomin, Gang Wei, Zhan Zhang та Ning Qiao. "Preparation of supramolecular corrosion inhibitor based on hydroxypropyl-β-cyclodextrin/octadecylamine and its anti-corrosion properties in the simulated condensate water". Anti-Corrosion Methods and Materials 61, № 2 (2014): 104–11. http://dx.doi.org/10.1108/acmm-04-2013-1256.

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Purpose – This work was focused upon the main factors that influence the formation of a hydroxypropyl-β-cyclodextrin (HP-β-CD) supramolecular complex with octadecylamine (ODA) and their optimal processing conditions. The anti-corrosion properties of the products in the simulated boiler water condensate of power plants also needed to be tested. The paper aims to discuss these issues. Design/methodology/approach – A grinding method was applied to synthesize the supramolecular structures. Using Fourier transform infrared, X-ray diffraction and proton nuclear magnetic resonance spectroscopy (1H NM
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40

Zhang, Li Peng, Xian Jin Yu, Zhi Wei Ge, Yun Hui Dong, Dang Gang Li, and Ya Li Zhang. "Research on Properties of SiC Coating Inert Anode for Aluminum Electrolysis." Materials Science Forum 686 (June 2011): 623–29. http://dx.doi.org/10.4028/www.scientific.net/msf.686.623.

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The carbon composite materials with silicon carbide coating were prepared for aluminum electrolysis as inert anode. The oxidation resistance, corrosion resistance and electrical conductivity are researched respectively. The results showed that the inert anode had high anti-oxidation, corrosion resistance and high conductivity. The oxidation kinetics curve of the material obeys typical line-logarithmic law. The corrosion occurs mainly before 25 hours. The electric conductivity was stable and good, had the electric conductivity property of the semiconductor. The conductivity increased with tempe
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Wang, Xiu Ling, Li Ying Yang, and Shou Ren Wang. "Research and Development of Self-Lubricating Bearing Materials." Advanced Materials Research 651 (January 2013): 198–203. http://dx.doi.org/10.4028/www.scientific.net/amr.651.198.

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It is significant and necessary to carry out the research and development of self-lubricating bearing. The current study of metal matrix self-lubricating bearing materials is summarized. A new type of high temperature self-lubricating Ti-Al alloy bearing materials is proposed. It is light, anti-friction, anti-corrosion and high temperature resistance (600 °C). The future trend is introduced in the end of this paper.
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42

Zhang, Hongliang, Fang Zhang, Wei Su, Ya Jiang, and Yuchun Li. "Research and evaluation of T91 superheater material for high temperature corrosion in biomass power plants." Anti-Corrosion Methods and Materials 62, no. 3 (2015): 133–35. http://dx.doi.org/10.1108/acmm-01-2015-1486.

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Purpose – The purpose of this paper was to evaluate corrosion resistance of superheater T91 material based on high temperature corrosion experiments with a condensate environment. Design/methodology/approach – The contributions of water temperature, chloride concentration and corrosion time were considered and analyzed for modeling corrosion kinetics. The corrosion tendency also was predicted, and the results were compared with higher temperature exposures of T91 tube material installed in a biomass power plant. Findings – High temperature exposure tests showed that the corrosion rates of T91
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43

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% con
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44

Cao, Zhi Min, Guo Xin Li, Hui Lian, and Da Wei Hu. "Research on the Anti- Corrosion Performance of Two Hot-Dip Coatings." Advanced Materials Research 598 (November 2012): 520–23. http://dx.doi.org/10.4028/www.scientific.net/amr.598.520.

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Samples covered two kinds of hot-dip coatings were purchased and placed in neutral salt spray to study the anti-corrosion performance. The results showed that one sample was eroded more seriously than the other. The reasons were analyzed through surface morphology and the reaction products of the hot-dip coatings by scanning electron microscope and element composition. The results showed that might be the fractures developed of the corroded sample during the productive process that made O2 and solution contact with the substrate.
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45

Geng, Mingrui, Guangyu He, Zhiping Sun, Jiao Chen, Zhufang Yang, and Yuqin Li. "Corrosion Damage Mechanism of TiN/ZrN Nanoscale Multilayer Anti-Erosion Coating." Coatings 8, no. 11 (2018): 400. http://dx.doi.org/10.3390/coatings8110400.

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TiN/ZrN multilayers can effectively improve the erosion resistance of metals, particularly titanium alloys employed in aero engines. To explore the corrosion damage mechanism of TiN/ZrN nanoscale multilayers (nanolaminate), a novel [TiN/ZrN]100 nanolaminate coating was deposited on Ti-6Al-4V alloys by multi-arc ion plating method. Salt spray corrosion tests and hot corrosion experiment were carried out to evaluate the corrosion resistance of the coating. The corrosion and damage mechanisms were explored with the help of detailed microstructure, phase composition and element distribution charac
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46

Jurczak, Wojciech. "The Exploitation Problems Marine Light Constructions for Corrosion Resistance / Problemy Eksploatacyjne Lekkich Konstrukcji Morskich w Aspekcie Odporności Korozyjnej." Journal of KONBiN 33, no. 1 (2015): 5–18. http://dx.doi.org/10.1515/jok-2015-0001.

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Abstract Corrosive degradation of construction materials for marine structures is a natural phenomenon. The extent of deterioration in mechanical properties of materials used in ship construction is directly linked to the chemical makeup of the material as well as the prevailing environmental conditions (e.g. salinity, physical stress) an the applied anti-corrosive coating. The paper presents results of research into stress corrosion of highly durable aluminum alloys. In order to increase the safety while using the above mentioned components, logging of corrosive potential has been introduced
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Zhang, Naiyan, and Dezhi Zeng. "Research on TIG welding gap corrosion resistance of X52/825 metallurgical clad pipein H2S/CO2 environment." Anti-Corrosion Methods and Materials 66, no. 4 (2019): 412–17. http://dx.doi.org/10.1108/acmm-09-2017-1846.

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Purpose Bimetallic composite pipe consists of a corrosion resistance alloy (CRA) layer for corrosion resistance and carbon steel for mechanical properties, which shows a promising prospect of gathering pipeline with its effective-cost and reliable corrosion resistance. However, the corrosion resistance of composite pipe is determined by the quality of its welding gap. This paper aims to investigate the TIG welding gap corrosion resistance of X52/825 metallurgical clad pipe in H2S/CO2 environment. Design/methodology/approach Corrosion tests of X52/825 welding gap were performed in a stimulated
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48

Katada, Yasuyuki. "Current Research Activities on High Nitrogen Steel in Japan." Materials Science Forum 539-543 (March 2007): 114–18. http://dx.doi.org/10.4028/www.scientific.net/msf.539-543.114.

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Nitrogen evolution research has been widely carried out in Japan after the Forth International Conference on High Nitrogen Steels held in 1995 in Kyoto (HNS1995). The first research forum on nitrogen evolution research has been started in The Japan Society of Corrosion Engineering in 1996, followed by a series of research forums in the Iron and Steel Institute of Japan (ISIJ). In the meantime, a pressurized electro-slag remelting furnace was newly developed in National Institute for Material Science in 1998. A new research group regarding the availability of nitrogen on the improvement in stee
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49

Yan, Wei, Yong Xiang, Wenliang Li, and Jingen Deng. "Downhole CO2 partial pressure calculation and tubing material selection – a case study of an offshore oil field in the South China Sea." Anti-Corrosion Methods and Materials 63, no. 5 (2016): 414–20. http://dx.doi.org/10.1108/acmm-04-2016-1662.

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Purpose This paper aims to establish the downhole CO2 partial pressure profile calculating method and then to make an economical oil country tubular goods (OCTG) anti-corrosion design. CO2 partial pressure is the most important parameter to the oil and gas corrosion research for these wells which contain sweet gas of CO2. However, till now, there has not been a recognized method for calculating this important value. Especially in oil well, CO2 partial pressure calculation seems more complicated. Based on Dolton partial pressure law and oil gas separation process, CO2 partial pressure profile c
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50

Munggari, Indah Putri, Dikdik Kurnia, Yusi Deawati, and Euis Julaeha. "Current Research of Phytochemical, Medicinal and Non-Medicinal Uses of Uncaria gambir Roxb.: A Review." Molecules 27, no. 19 (2022): 6551. http://dx.doi.org/10.3390/molecules27196551.

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Uncaria gambir Roxb. is a plant from Southeast Asia and is widely used as an alternative medicine with various applications. This plant has been widely used in traditional medicine. This paper aims to provide information on U. gambir, a summary of data on phytochemicals and on medical and nonmedical activities. Phytochemical studies reveal biologically active constituents such as flavonoids, phenolics, and alkaloids. Various studies have shown that extracts and compounds obtained from U. gambir have medical uses for their antioxidant, antibacterial, anti-helminthic, anticancer, antifungal, ant
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