Zeitschriftenartikel: „WEAR PROPERTY“

1

Das, Arpan, und Palash Poddar. „Structure–wear-property correlation“. Materials & Design 47 (Mai 2013): 557–65. http://dx.doi.org/10.1016/j.matdes.2012.12.041.

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2

Li, Duo Sheng, Dun Wen Zuo, Xian Liang Zhou, Jian Yun Zhang und Xiao Zhen Hua. „Wear-Resistant Property of SiCp/Al Composites“. Key Engineering Materials 368-372 (Februar 2008): 1096–98. http://dx.doi.org/10.4028/www.scientific.net/kem.368-372.1096.

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Al alloy reinforced with SiCp (size: 70-220μm) was fabricated by pressureless-infiltration. Its wear resistant property was investigated under different heat-treatment conditions, and morphology of worn surface was examined. The results showed that the composite was integrated, uniform and compact, and its wear resistant property was better than that of the unreinforced matrix alloy. It was indicated that some rigid SiCp in the abraded surface of the composite could support part of loads and replace matrix to wear-tear, which improved the wear resistant property. Compared to annealing, solution aging strengthens Al alloy matrix and cohesion with SiCp, and the wear resistant property of composites was better. Combining interface is also an important factor which influences on wear resistant property. During the wear test, the smaller SiCp size, the more interfaces, there are more SiCp falling off because of loosening combining interface, which results in more wear-tearing value. The wear rate of composite increases with decreasing SiCp size, thus, the composite with larger SiCp has better wear-resistant property than that with smaller SiCp. At last, the wear mechanism of the composite was also studied, and it showed that abrasive wear dominated in the abrasion process.

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3

Fan, Yu Jin, Zhe Kun Li, Teng Han und Wei Da Wang. „Finite Element Simulation of Abrasive Wear and Study of Wear Resistance of Material“. Advanced Materials Research 765-767 (September 2013): 3192–95. http://dx.doi.org/10.4028/www.scientific.net/amr.765-767.3192.

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This paper presented the abrasive wear process of a particle pressing into the material and sliding on the surface simulated by finite element method to reveal wear characteristics and effect factors. The contact stress and surface deformation of material were indicated and material wear resistance was studied, it was found that the stress and the deformation of subsurface not only depends on mechanical properties of material and original surface shape, but also on deformed surface profile due to sliding. In order to prove the effects of material yield stress and deformation harden property on surface deformation and abrasion resistance property, the abrasive wear of three kinds of carbon steel were taken for examples, the simulation results were presented that the larger yield stress of carbon steel, the less surface deformation and the better abrasion resistance property when a particle sliding on the surface. The simulation results also shown that the deformation harden of carbon steel could reduce surface deformation, but couldnt always improve abrasion resistance property.

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4

SHIMIZU, K., T. KIMURA, T. MOMONO, T. KAMOTA, H. MATSUMOTO und S. KAMOTA. „P18: Development of Material Wear-property in Homogenizer and Wear Characteristic Evaluation(SHORT ORAL PRESENTATION FOR POSTERS I)“. Proceedings of the JSME Materials and Processing Conference (M&P) 2005 (2005): 18–19. http://dx.doi.org/10.1299/jsmeintmp.2005.18_7.

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5

Hao, Rui, Aleksander A. Tedstone, David J. Lewis, Chris P. Warrens, Kevin R. West, Philip Howard, Sander Gaemers, Shen J. Dillon und Paul O’Brien. „Property Self-Optimization During Wear of MoS2“. ACS Applied Materials & Interfaces 9, Nr. 2 (06.01.2017): 1953–58. http://dx.doi.org/10.1021/acsami.6b13802.

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6

Sasaki, T., T. Yakou, M. Umemoto und Y. Todaka. „Two-body abrasive wear property of cementite“. Wear 260, Nr. 9-10 (Mai 2006): 1090–95. http://dx.doi.org/10.1016/j.wear.2005.07.010.

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7

Liu, Ping, Shu Guo Jia, Feng Zhang Ren, Bao Hong Tian und Mao Sheng Zheng. „Electrical Sliding Wear Property of Cu-Ag-Cr Alloy“. Solid State Phenomena 118 (Dezember 2006): 497–502. http://dx.doi.org/10.4028/www.scientific.net/ssp.118.497.

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By means of a vacuum induction furnace, Cu-Ag-Cr alloy were produced. The wear property and mechanism of Cu-Ag-Cr alloy are studied, and its property was compared with a Cu-Ag alloy. The microstructure of the Cu-Ag-Cr alloy before wear tests was analyzed by transmission electron microscopy. Worn surfaces of the Cu-Ag-Cr alloy were analyzed by scanning electron microscope (SEM) and energy dispersive X-ray spectrum (EDS). Wear tests were conducted under laboratory with a special sliding wear apparatus that simulated the tribological conditions of sliding current collectors on contact wires, and alloy wire was slid against a copper-based powder metallurgy strip under unlubricated conditions. The results show that the wear rate of Cu-Ag-Cr alloy increase with the increase in the sliding speed and the sliding distance. Adhesive wear, abrasive wear and electrical erosion wear are the dominant mechanisms under the electrical current sliding processes. At lower sliding speed, adhesives wear and abrasive wear are the major wear damage, while electrical erosion wear and adhesive wear are the major at higher sliding speed. Under the same conditions, the wear resistance of the Cu-Ag-Cr alloy is 2~3 times of the Cu-Ag alloy.

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Liu, Y., und H. M. Wang. „Microstructure and wear property of laser-clad Co3Mo2Si/Coss wear resistant coatings“. Surface and Coatings Technology 205, Nr. 2 (Oktober 2010): 377–82. http://dx.doi.org/10.1016/j.surfcoat.2010.06.064.

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9

Das, Debdulal, Apurba Kishore Dutta und Kalyan Kumar Ray. „Structure-Property Correlation of Cryotreated AISI D2 Steel“. Advanced Materials Research 117 (Juni 2010): 49–54. http://dx.doi.org/10.4028/www.scientific.net/amr.117.49.

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This study aims to reveal the underlying mechanism associated with the enhancement of wear resistance of tool steels by deep cryogenic treatment and to resolve the issue of reported varied degree of improvement in wear resistance through structure-property correlation of cryotreated vis-à-vis conventionally treated AISI D2 steel. Microstructures of heat treated specimens have been characterized employing various techniques with specific emphasis on quantitative estimation of the characteristics of secondary carbides. Evaluations of properties include measurements of bulk hardness, apparent strength of the matrix, fracture toughness and dry sliding wear resistance under wide rage of normal loads supplemented by in-depth characterizations of worn surfaces, wear debris and subsurfaces of worn specimens in order to identify the operative mode and mechanism of wear. It has been demonstrated that the favorable modifications of the precipitation behavior of secondary carbides in addition to removal of retained austenite are the governing mechanisms for the enhancement of wear resistance of tool steels by deep cryogenic treatment. The cause of the reported varied degree of improvement in wear resistance by deep cryogenic treatment has been explained by disparity of the operative modes and mechanisms of wear.

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NAKASHIMA, Kazuhiro, Teruo MURAKAMI und Yoshinori SAWAE. „Evaluation of Wear Property of PVA Hydrogel as Artifical Cartilage and Effect of Protein Film on Wear-Resistant Property“. Transactions of the Japan Society of Mechanical Engineers Series C 70, Nr. 697 (2004): 2780–87. http://dx.doi.org/10.1299/kikaic.70.2780.

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11

Du, Yong Ying, und Dan Jin. „Research on the Effect of Heat Treatment Parameters of Rotary Tiller Blade on Anti-Wear Properties“. Advanced Materials Research 391-392 (Dezember 2011): 620–24. http://dx.doi.org/10.4028/www.scientific.net/amr.391-392.620.

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65Mn spring steel is mainly used for rotary blade which is a vulnerable part of farming machinery. The experiment of the wear-resistance property for 65Mn spring steel under different heat treatments is conducted. The results are discussed based on the regression orthogonal design. The wear-resistance property of 65Mn steel has been discussed by applying diverse heat treatment technology and the optimum parameters of heat treatment for the best anti-wear property are obtained through experiments. The influence of the parameters on anti-wear property is studied by applying the regression orthogonal design. The relation between the wear mass loss and diverse heat treatment parameters has been given by using planar and contour figure. The optimum heat treatment parameter for maximum anti-wear ability is obtained as following: 852.64 for quenching temperature, 18.36min for quenching time, and 145.44 for tempering temperature, respectively.

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12

Tan, Ye Fa, Xiao Long Wang, Yi Qiang Tu, Hua Tan, Chun Hua Zhou und Long He. „Abrasive Wear Property of Stellite190 Welding Coatings for Drill Tools“. Advanced Materials Research 314-316 (August 2011): 1415–19. http://dx.doi.org/10.4028/www.scientific.net/amr.314-316.1415.

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In order to improve the wear resistance of drill tools, stellite190 welding coatings were prepared by oxygen-acetylene flame welding technology. The abrasive wear behavior and wear mechanisms of the coatings were investigated in both dry and water friction conditions. The research results show that the wear losses of the coatings increase with the increase of loads and sliding speeds. The effects of sliding speeds on wear losses of the coatings become intense with the increase of loads. The wear losses of the coatings in water friction condition are bigger than those in dry friction condition. The main wear mechanisms of the coatings are micro-cutting and multi-plastic deformation wear in dry friction condition, and accompanied by stress corrosive wear in water friction condition.

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Zhang, Jing Yao, Zhou Yu und Dang Sheng Xiong. „Improved Wear and Corrosion Resistance of Ni-P Electroless Deposited Coating with RE Added“. Advanced Materials Research 750-752 (August 2013): 1982–86. http://dx.doi.org/10.4028/www.scientific.net/amr.750-752.1982.

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Effect of three kinds of RE ion (Y3+, Nd3+, La3+), which added separately in the Ni-P electroless deposition bath, on coating micro-structure and property such as microhardness, wear and corrosion resistance was investigated. Optimization of organization structure and property of coating attributed to RE-added was analysed by means of ICPM, XRD, SEM and micro-sclerometer, wear testing machine. The results show that the coating has still amorphous structure but higher of phosphorus content due to RE, which added in the bath can make coating grains smaller and more compact. At the same time, improved microhardness, wear and corrosion resistance of coating are observed with RE-added properly. The effect of Y3+ is most remarkable among three RE ions. When the concentration of Y3+ in the bath is 0.04g.L-1, the microhardness, wear loss and corrosion rate in 10% H2SO4 solution of coating is 606HV, 4.9572mg and 0.0064mg.cm-2.h-1, respectively.

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Xie, Jing Pei, Ai Qin Wang, Wen Yan Wang und Luo Li Li. „Study on Erosion Wear Property of Nickel-Chromium Cast Iron“. Applied Mechanics and Materials 117-119 (Oktober 2011): 1084–87. http://dx.doi.org/10.4028/www.scientific.net/amm.117-119.1084.

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Erosion wear experiments on Nickel-Chromium cast iron were tested by MCF-30 erosion test machine. The structure and surface morphology of these samples were analyzed by Scanning Electron Microscopy (SEM), Transmission Electron Microscope (TEM) and XRD. The influences of the impact angle and acidity on erosion wear property were analyzed. The discipline of the erosion wear property was discussed as well. The experimental results indicate that after oil quench at 960°C and temper at 250°C, the alloy carbide (Fe, Cr)3C which works as the wear resistance skeleton distributes uniformly in the matrix ; the shape of erosion wear curve is “M”. and the biggest wear loss is when the impact angle is 60°; the erosion wear property is affected greatly by the strong acid, but is little even can be ignored when pH≥3. The erosion wear mechanism of Nickel-Chromium cast iron is selective wear.

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HIRATA, Mitsuru, Yoshimitsu OKAZAKI, Emiko NISHIMURA und Tamotsu TAMAKI. „Comparison of Wear Property in Bovine Serum Solution“. Proceedings of Conference of Kanto Branch 2003.9 (2003): 335–36. http://dx.doi.org/10.1299/jsmekanto.2003.9.335.

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16

HIRATA, Mitsuru, Yoshimitsu OKAZAKI, Emiko GOTOH und Tamotsu TAMAKI. „Comparison of wear property in artificial joint material“. Proceedings of Conference of Kanto Branch 2004.10 (2004): 145–46. http://dx.doi.org/10.1299/jsmekanto.2004.10.145.

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17

SUZUKI, Hideto, und Atuo KAWANA. „1004 Wear and Fatigue Property of DLC coating“. Proceedings of Ibaraki District Conference 2001 (2001): 253–54. http://dx.doi.org/10.1299/jsmeibaraki.2001.253.

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18

Moon, Woo-Sik, und Yoshitsugu Kimura. „Wear-preventing property of used gasoline engine oils“. Wear 139, Nr. 2 (August 1990): 351–65. http://dx.doi.org/10.1016/0043-1648(90)90056-g.

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19

Somekawa, Hidetoshi, Kazuhiro Tomita, Miwako Toda, Tomoko Hirayama und Takashi Matsuoka. „Nano-Ordered Wear Property of Magnesium Obtaining Nanoindentation“. Metallurgical and Materials Transactions A 46, Nr. 9 (07.06.2015): 4351–59. http://dx.doi.org/10.1007/s11661-015-2989-y.

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20

Xie, Jing Pei, Li Jun Zhang, Ai Qin Wang und Xing Hai Shao. „Study on Erosion Wear Property of Nickel-Chromium Cast Iron“. Key Engineering Materials 575-576 (September 2013): 535–38. http://dx.doi.org/10.4028/www.scientific.net/kem.575-576.535.

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The influences of the impact angle and the corrosive agent acidity on low-chromium and nickel contained cast iron were studied in the behavior of erosion wear. The wear rule was summarized and the mechanics of the erosion wear behavior were analyzed in this thesis. Erosion wear experiments were carried on MCF-30 erosion test machine, and then the structure and surface morphology of the samples were analyzed by Scanning Electron Microscopy (SEM). The results showed that the alloy carbide (Fe, Cr)3C was generated by a kind of reticulate distribution in the matrix after oil quench at 960°C and temper at 250°C. The continuous and homogeneous distribution, just like the skeleton of the material, enhanced the wear resistance. The shape of erosion wear curve was M at different impact angles. The biggest wear rate occurred at a 60-degree impact angle. The erosion wear property was greatly affected by the strong acid, but it can be ignored when pH3.

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21

Wang, Qian, Qiang Feng, Q. F. Li und Cheng Zu Ren. „The Experimental Investigation of Stone Wear in Honing“. Key Engineering Materials 487 (Juli 2011): 462–67. http://dx.doi.org/10.4028/www.scientific.net/kem.487.462.

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Honing is a finishing method by means of rotary motion and alternate motion between the honing stones assembled on the honing head and the workpiece. In honing process, the honing stone status is varying all the time and plays important role in cutting property. This paper analyzes the wear mechanism and the cutting property by cylindrical honing experiments. The wear mechanism is analyzed by the topography obtained by a microscope and the cutting property was investigated by two factors: material removal rate and honing force.

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Qian, Hai Feng, Wei Ning Lei, Mi Qian, Wei Qiao Liu und Chuang Ye Wang. „Study on Wear-Resisting Property of Nickel-Diamond Composite Electroforming Films in Supercritical Fluids“. Applied Mechanics and Materials 778 (Juli 2015): 174–78. http://dx.doi.org/10.4028/www.scientific.net/amm.778.174.

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Ni-diamond nanocomposite electroforming films were prepared in supercritical fluids. The effect of process parameters to wear-resisting property of composite electroforming films was analyzed by orthogonal tests, which included current density, working time, diamond content and working pressure. It has been found that the composite electroforming films prepared in supercritical CO2 fluids have spherical crystallization with refined crystalline grain and small internal stress. Then it can be that the wear-resisting property of supercritical electroforming films is far higher than that of conventional electroforming by detecting the wear scar cross-sectional area, and the wear-resisting property increased by 18.8%.

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Du, Fengming, Yunbo Zeng und Shaolong Yan. „Investigation on the tribological property of marine engine bearing“. Journal of Physics: Conference Series 2557, Nr. 1 (01.07.2023): 012027. http://dx.doi.org/10.1088/1742-6596/2557/1/012027.

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Abstract The marine engine is one of the core devices of the ship. With the continuous progress of science and technology, marine engines are developing towards high power density, and the related tribological problems are more prominent. As one of the most typical friction pairs of marine engines, the crankshaft-bearing bush bears more and more loads and presents a trend of increased wear. By studying the wear behavior of the bearing bush, it is possible to deeply grasp the bearing wear mechanism, speed up the research and development process of the bearing bush, and further improve the wear resistance. In this paper, for the crankshaft-bearing bush pairing pair, a component-level bearing bush friction and wear testing machine is built, and the corresponding test method is established. The binary electroplating bush and an alloy shaft pair are selected for the experiment, and the wear law of the bearing bush is explored.

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Lee, Soo Wohn, Hao Du, Huang Chen und Bo Young Hur. „Tribological Property of Plasma Sprayed TiO₂ Coating“. Key Engineering Materials 317-318 (August 2006): 377–80. http://dx.doi.org/10.4028/www.scientific.net/kem.317-318.377.

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The sliding wear property of plasma sprayed TiO2 coatings with porosity of 4.2% and 5.4% mating against silicon nitride ball were comparatively investigated with a reciprocating tribometer under dry conditions. The results indicate that the wear resistance of the TiO2 coating with lower porosity is superior, which is attributed to its homogeneous microstructure and improved microhardness. The morphologies of the wear tracks of the two TiO2 coatings, as well as wear debris reveal the pore is the main location wear occur. The coefficients of friction of the two TiO2 coatings decrease with the increase of applied load, while the wear rates increase, which is attributed to the difference of the dependence of microhardness on load between the coating and the Si3N4 ball. No apparent dependence of wear resistance on sliding speed was found on these two coatings.

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Miao, Lu, Ya Nan Wang und Yan Hui Li. „The Effect of Different CeO₂ Addition on Performance of Ni-WC Composite Coating by Vacuum Fusion Sintering“. Advanced Materials Research 750-752 (August 2013): 2052–56. http://dx.doi.org/10.4028/www.scientific.net/amr.750-752.2052.

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By vacuum fusion sintering technique made different CeO2 addition Ni-WC composite coatings on 45 steel. Hardness, wear resistance property and corrosion resistance property of the Rare-earth Ni-WC composite coatings were measured and analyzed by Rockwell hardness tester,micro-hardness tester, friction wear testing machine and Salt spray corrosion box. The results showed that:The CeO2 content comes up to 0.75% of the coatings` hardness, wear resistance and corrosion resistance property better than those of other coatings.

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Zhang, Hua, Xinfeng Pei und Xindong Jiang. „Anti-Wear Property of Laser Textured 42CrMo Steel Surface“. Lubricants 11, Nr. 8 (21.08.2023): 353. http://dx.doi.org/10.3390/lubricants11080353.

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In this work, laser processing technology was utilized to fabricate micro-textures on the surface of 42CrMo steel to improve its wear resistance under high load conditions and provide an effective method to solve the wear of tooth plates in oil drilling wellhead machinery. Firstly, the friction process of the textured components was conducted by finite element analysis. Additionally, various forms of textures were compared and measured by this method to optimize the shape and parameters of the patterns. Secondly, three types of texture shapes, such as micro-dimples, micro-grooves, and reticular grooves, were created on the surface of 42CrMo steel. Lastly, the tribological characteristics of the micro-textures were analyzed in the dry friction experiments. Compared with the untextured surface, the wear resistance of the textured 42CrMo steel has been improved, and the anti-wear property of the micro-dimples was better than micro-grooves and reticular grooves. Along the direction of friction sliding, the wear of the front end is more worn than the rear end. Micro-dimples with a diameter of 0.8 mm, a spacing of 1.2 mm, and an area occupancy of 34.8% were fabricated at an output power of 200 W and a frequency of 5 Hz. The wear of the textured surface has been reduced by more than 80% in the process of ring-block dry friction with a load of 50 N, a rotation speed of 35 r/min, and a time of 15 min. The wear mechanism is mainly abrasive wear. The results showed that the hardness of the surface could be improved by laser hardening. In addition, micro-dimples on 42CrMo steel can store abrasive particles, mitigate the formation of furrows and reduce the abrasive wear of tooth plates.

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Zhu, Ye, Yingshuang Shang, Haibo Zhang, Lianjun Ding, Yunping Zhao, Yuntao Han und Zhenghua Jiang. „Friction and wear properties of poly(ether sulfone) containing perfluorocarbon end group“. High Performance Polymers 30, Nr. 2 (31.01.2017): 247–53. http://dx.doi.org/10.1177/0954008317690433.

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Poly(ether sulfone) (PES) with high coefficient of friction (COF) and wear rate needs treatment to enhance its tribological property in engineering plastic area. Here, the low surface energy of perfluorocarbon chains terminated poly (ether sulfone) (PES-F) had been used to improve the tribological property of such self-lubricating materials. In this research, the performance enhancement due to the existence of perfluorocarbon group on the material surface was discussed on improvement of anti-friction and wear resistance. On the premise of mechanical strength guarantee, the variation regularity of COF and volume wear rate of PES-F were quantitatively analyzed through the pin-on-disc wear test apparatus, combined with X-ray photoelectron spectroscopy analysis. It was found that PES-F exhibited the best tribological property during the initial phases of friction test, attributing to the highest content of F on the material surface. Observation of PES-F worn surface and wear debris revealed that the COF and wear rate of modified PES were decreased not only due to the effect of perfluorocarbon group but also by the change of worn surface morphology, both of which were the main reasons for anti-friction and anti-wear property enhancement.

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Kawakami, Yuji, Fujio Tamai, Takashi Enjoji, Kazuki Takashima und Masaaki Otsu. „Wear Resistance Properties of Tungsten Carbide/Stainless Steel Composite Materials Prepared by Pulsed Current Sintering“. Materials Science Forum 534-536 (Januar 2007): 1573–76. http://dx.doi.org/10.4028/www.scientific.net/msf.534-536.1573.

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Austenitic stainless steel has been used as a corrosion resistance material in tough corrosive circumstance. However, austenitic stainless steel has poor wear resistance property due to its low hardness. Tungsten Carbide alloys (WC) are widely used as tooling materials, because of their high hardness and excellent wear resistance property. In this investigation, we apply powder composite process to obtain hard layer of Stainless steel. The composite material was fabricated from planetary ball milled WC powder and SUS316L stainless steel powder and sintered by Pulsed Current Sintering (PCS) method. We also added TiC powder as a hard particle in WC layer. Evaluations of wear properties were performed by pin-on-disk wear testing machine, and a remarkable improvement in wear resistance property was obtained. The weight loss rate of the composite was 1/10 of SUS316L. In addition, it was found that TiC hard particle addition has a positive effect on the wear resistance property. EPMA investigation showed good dispersion of WC hard phase and TiC hard particle with SUS316L matrix.

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Iwaki, M., K. Takahashi und A. Sekiguchi. „Wear property and structure of nitrogen implanted glassy carbon“. Journal of Materials Research 5, Nr. 11 (November 1990): 2562–66. http://dx.doi.org/10.1557/jmr.1990.2562.

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A study has been made of the correlation between wear resistance and crystalline structure of ion implanted glassy carbon. Nitrogen ions were implanted in glassy carbon with fluences ranging from 5 × 1014 to 5 × 1016 ions/cm2 at an energy of 150 keV. The target temperature during ion implantation was maintained constantly at −70, 25, and 200 °C. Wear tests were carried out with the system of glassy carbon and polishing silk disk on which water including diamond slurry was poured, using a conventional polishing machine. The surface layer structure was investigated by means of laser Raman spectroscopy. Nitrogen implantation causes the wear resistance to improve, and the reduction of wear rate is dependent on the ion fluence and the target temperature during ion implantation. As the fluence increases and the target temperature is lower than room temperature, the wear rate decreases drastically. Raman spectra show that the structure of ion implanted layers becomes what is called amorphous-like as the fluence increases and the target temperature is lowered. In conclusion, the wear resistance of glassy carbon is improved owing to the change in structure followed by nitrogen implantation at a relatively high fluence and low target temperature.

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Chen, Wei Dong, Jian Yin, Wei Min Song und Yi Chi. „The Influence of Mineral Admixtures on the Wear-Resisting Property of Recycled Aggregate Concrete“. Advanced Materials Research 639-640 (Januar 2013): 417–22. http://dx.doi.org/10.4028/www.scientific.net/amr.639-640.417.

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It was tested the strength and wear value of recycled aggregate concrete mixing fly ash, slag, silica fume and double-mixture or three-mixture in deferent age. The results show that the wear value of recycled aggregate concrete mixing 30% fly ash is more than reference concrete at 3days, but can improve final wear-resisting property significantly. The wear value of recycled aggregate concrete mixing 30% double-mixture of fly ash and silica fume is much lower than reference concrete at 3days, and improve early wear-resisting property significantly. The flexural strength of the concrete is 4.26MPa at 3days, which can satisfy the traffic requirement. The wear value of recycled aggregate concrete mixing 30% three-mixture of fly ash, slag and silica fume is lower than reference concrete at 3days, but the declining rate is not significant. It investigates mechanics of double-mixture technique which improves wear-resisting property at the same time.

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Yan, Yu Tao, Rui Wang und Wan Li Song. „The Preparation and Tribological Properties of Graphite Fluoride“. Advanced Materials Research 941-944 (Juni 2014): 1544–47. http://dx.doi.org/10.4028/www.scientific.net/amr.941-944.1544.

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Solid phase method was adopted to prepare the graphite fluoride solid lubricant. The friction and wear properties of graphite fluoride were tested with MMW-1 vertical universal friction and wear testing machine. The phase of graphite fluoride was analyzed with infrared spectrometer. The morphology of friction surface was analyzed with the scanning electron microscope. The results show that graphite fluoride has an excellent antifriction wear-resisting property, to compare with molybdenum sulfide, the anti-friction property increased by 35%, wear resistance increased by 49%. The main wear mechanism of the test specimens are fatigue wear and adhesive wear. The solid lubrication film for graphite fluoride was formed in the friction surface.

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Zhang, Qiuxiang, Xinhua Liu, Yankun Ren, Lifeng Wang und Yuan Hu. „Effect of Particle Size on the Wear Property of Magnetorheological Fluid“. Advances in Materials Science and Engineering 2016 (2016): 1–7. http://dx.doi.org/10.1155/2016/4740986.

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Aiming to study the effect of particle size on the wear property of magnetorheological fluid (MRF), experiment materials, preparation process, and test methods are elaborated, and three different MRF samples consisting of particles of different size are prepared. Test experiments are carried out and the effect of particle size on the wear property of MRF is discussed. Moreover, the microstructures of particles extracted from MRF obtained before and after the wear experiments are observed by scanning electron microscope (SEM). Experimental results show that the particle size has a significant effect on wear property of MRF. Furthermore, the MRF with particles of 1.5–2.8 μm diameter on average is good for the requirement of engineering applications.

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Du, Hao, Chao Sun, Jun Gong und Soo Wohn Lee. „Deposition and Characterization of D-Gun Sprayed WC-Co Coating with Self-Lubricating Property“. Materials Science Forum 544-545 (Mai 2007): 215–18. http://dx.doi.org/10.4028/www.scientific.net/msf.544-545.215.

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A WC-Co coating with self-lubricating property was deposited by detonation gun (D-gun) process, using a WC-Co powder doped with a MoS2-Ni powder, under a proper spray condition. It is proved that the MoS2 composition was kept in the resulting coating by SEM, XRD and EPMA. Evaluation on sliding wear property indicates that the MoS2 composition plays an important role in lowering both coefficient of friction and wear rate for the resulting coating, which is confirmed by observations on wear track. It suggests that the deposition of WC-Co coating with self-lubricating property by D-gun spray is feasible by controlling lubricant powder and spray conditions, which can exhibit higher sliding wear resistance.

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Liu, Chunpeng, Xiujuan Zhao, Pengtao Liu, Jinzhi Pan und Ruiming Ren. „Effect of Sliding Wear on Surface Microstructure and Wear Property of D2 Wheel Steel“. Materials Sciences and Applications 10, Nr. 09 (2019): 600–613. http://dx.doi.org/10.4236/msa.2019.109043.

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35

Ahn, JJ, und S. Ochiai. „Wear Behaviour and Friction Property of SiCp/Al Composites at Elevated Wear Environment Temperature“. Advanced Composites Letters 11, Nr. 6 (November 2002): 096369350201100. http://dx.doi.org/10.1177/096369350201100605.

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The effects of sliding speed and wear environment temperature (hereafter denoted as temperature) on the wear behaviour and friction coefficient of SiC particle reinforced A16061 composites (SiCp/Al) were studied using wear and friction test of a ring on disc type, and difference of wear mechanism in terms of temperature was also examined by a microscopic observation of worn surfaces. Thin surface layer (TSL) formed on the worn surface during the experiment was enhanced with increase of temperature. However, such a TSL was cracked due to point contact between the counter material and coarse SiC particles (and/or SiC clusters) existing on the worn surface of the SiCp/Al. Contour of worn surfaces became rougher with increase of temperature and sliding speed. Wear mechanism of the AA6061 changed from abrasive wear into adhesive wear at 300°C while for the SiCp/Al, wear mechanism did not changed in the test conditions. That is, abrasive wear was maintained up to 300°C. Due to the presence of SiC particles, Friction coefficient of the SiCp/Al was larger than that of the AA6061 regardless of the temperature. However, scatter of friction coefficient against temperature was smaller in the SiCp/Al than in the AA6061. Furthermore, the weight loss, the difference of specimen weight before and after the experiment, under the severest test condition was less in the SiCp/Al than in the AA6061.

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Wang, Wen Yi, Hin Heng, Hin Heng Lois Yim, Chi Wai Kan, Nongnut Sasithorn, Puvisit Wangkanai, Nattaya Vuthiganond und Rattanaphol Mongkholrattanasit. „Evaluation of Wickability of Quick Dry Inner Wear“. Key Engineering Materials 814 (Juli 2019): 285–90. http://dx.doi.org/10.4028/www.scientific.net/kem.814.285.

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Quick dry inner wear products become increasingly popular in the tropical regions with a hot and rainy climate. This study evaluated the quick dry property of three inner wear for women available in the market via studying their wicking rates. It was found that one products had satisfactory wicking ability as they claimed, whereas one products showed no quick dry property.

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Wang, Jiu, Bo Shui Chen, Jian Hua Fang und Jiang Wu. „The Fretting Wear Property of Grease Containing Antiwear Nanoparticles Additives“. Advanced Materials Research 562-564 (August 2012): 179–83. http://dx.doi.org/10.4028/www.scientific.net/amr.562-564.179.

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First the fretting wear behavior of CuS nanoparticles additives in grease were studied. The results show that the fretting wear volume reduce significantly when CuS nanoparticles additives add to grease. At the same time the existence of sulfid nanoparticles can reduce friction coefficient at the latter fretting time. The results of XPS tests show that Cu, Zn, Ni, S and B elements were founded in the film of wear scar. Secondly the effect of antiwear and oiliness additives on fretting wear behavior of nanoparticles additives in Grease were studied. It was found that when some antiwear, oiliness additives (such as T203, T322, stearyl alcohol or stearic acid) and sulfide nanoparticles were added to urea grease, a synergy effect between the two types of additives made fretting wear volume more small than that of either additive. Based on the results of contrast experiment and some analysis of fretting wear scars, we present the idea that two additives react with friction surface step by step. That is to say, the high chemical activity of CuS nanoparticles decompose first and form protective layer, the heat converted from chemical reaction of CuS decomposition and mechanical motion promote composition of common oil additives, thus protective layer is formed once again and wear volume further decrease.

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Wang, Shun Xing, und Xu Rui Gao. „Tribological Property of Nano-Cu as Additive in Lubricating Oil“. Advanced Materials Research 335-336 (September 2011): 487–90. http://dx.doi.org/10.4028/www.scientific.net/amr.335-336.487.

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The tribological property of nano-Cu as additive in lubricating oil was investigated on a stock-on-ring testing machine. Friction coefficient and wear mass loss were discussed in order to study tribological property. And the worn surfaces were characterized by scanning electronic microscopy(SEM). Then wear and lubricating mechanism were discussed. The results show that the wear and friction properties of nano-Cu as lubricating oil additive are excellent. And when the adding quantity is 0.04% and 0.03%(mass fraction), the friction coefficient and wear mass loss is best, respectively.

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Yan, Pengfei, Deping Wang und Biao Yan. „Microstructure and wear property of spray formed high leaded bronze“. International Journal of Modern Physics B 29, Nr. 10n11 (23.04.2015): 1540024. http://dx.doi.org/10.1142/s021797921540024x.

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In this research, Cu-9Pb high leaded bronze were prepared by spray forming. The microstructure and wear properties of this bronze alloy were systematically investigated. The results show that although the hardness of spray formed alloy was not increased comparing with the cast alloy, it still presented a lower wear rate and a lower friction coefficient in dry sliding wear tests as shallower grooves and more lubricating films were observed in the spray formed bronze (BSF14). Spray forming also refined the lead phase microstructure of Cu-9Pb bronze and improved its wear properties.

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Ma, You Ping, Xiu Lan Li, Lei Yang und Xi Peng He. „Erosion Wear Property of Surface Diffusion Alloyed Coatings on Magnesium Alloy“. Materials Science Forum 682 (März 2011): 217–23. http://dx.doi.org/10.4028/www.scientific.net/msf.682.217.

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Erosion wear tests under different erosion slurry mediums were carried out to investigate erosion properties of the treated samples of ZM5 magnesium alloy by surface diffusion alloying processing (SDAP).The result indicated that the micro-hardness (HV172) near the surface of alloyed specimen was about twice more than that of its substrate(HV82) after treated at 390°C for 8h.The erosion wear resistance β (0.68×104 mm2/g) of the treated specimen was better than that of untreated specimen (0.48×104mm2/g) under the conditions of erosion slurry of oil and quartz. The difference of erosion wear resistance between them was primary due to cutting wear mechanism. While erosion mediums was changed to the slurry of water and quartz, the wear resistance β of the treated specimen increase up to 0.24×104 (mm2/g), and that of the untreated specimen was only 0.09×104 (mm2/g),the difference between them resulted from corrosion wear mechanism predominating, which worsen the erosion wear resistance β.

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ARIHARAPUTHIRAN, Hemalatha, und Dhanalakshmi VENKADASAMY. „Effect of Stir Casting Process Parameters on Properties of Aluminium Composites – Taguchi’s Analysis“. Materials Science 25, Nr. 4 (27.06.2019): 401–6. http://dx.doi.org/10.5755/j01.ms.25.4.20864.

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The need for lightweight materials in various industries, increased fuel price, requirement of improved mechanical, thermal properties leads to the development of aluminium metal matrix composites. Stir casting method is employed for preparing composite consisting of aluminium die casting -12 alloy and reinforcement of 10 % by weight proportion of silicon carbide. Taguchi’s experimental analysis is employed for varying the process parameters of stir casting method like process temperature, stirring time and stirring speed. Tests were conducted to measure mechanical property like compressive strength, wear property such as sliding wear, micro abrasion and thermal property like coefficient of thermal expansion. An attempt has been made to study the unrelated properties like compressive strength, sliding wear resistance, micro abrasion wear and coefficient of thermal expansion of aluminium composites by Principal Component Analysis method. The experimental investigation shows that increase in processing temperature reduces sliding wear, micro abrasion wear and coefficient of thermal expansion and also increases compressive strength.

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Zhang, Feifei, Shuncai Wang, Ben W. Robinson, Heidi L. de Villiers Lovelock und Robert J. K. Wood. „Structure-Property Relationships in Suspension HVOF Nano-TiO2 Coatings“. Coatings 9, Nr. 8 (09.08.2019): 504. http://dx.doi.org/10.3390/coatings9080504.

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Hardness and tribological properties of microstructured coatings developed by conventional thermal spraying are significantly affected by the feedstock melting condition, however, their effect on the performance of nanostructured coatings by suspension high velocity oxy-fuel (HVOF) are inconclusive. In this work, nano-TiO2 coatings with different degrees of melting (12%, 51%, 81%) of nanosized feedstock were deposited via suspension HVOF spraying, using suspensions with a solid content of 5 wt.%. All the coatings produced had dense structures without visible pores and cracks. Two TiO2 crystal structures were identified in which the rutile content of the coatings increased with increased feedstock melting. Their mechanical, friction and wear behaviours largely relied on the extent of melting of the feedstock. The coating composed of mostly agglomerate particles (12% melted particles) had the lowest coefficient of friction and wear rate due to the formation of a smooth tribo-film on the wearing surface, while the coating composed of mostly fully melted splats (81% melted particles) presented the highest coefficient of friction and low wear rate, whose wear mechanism was dominated by abrasive wear and accompanied by the formation of cracks.

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Todd, Richard I., und Apichart Limpichaipanit. „Microstructure-Property Relationships in Wear Resistant Alumina/SiC "Nanocomposites"“. Advances in Science and Technology 45 (Oktober 2006): 555–63. http://dx.doi.org/10.4028/www.scientific.net/ast.45.555.

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Alumina/SiC “nanocomposites” consist of a dispersion of SiC “nanoparticles” in an alumina matrix with conventional grain size. The nanocomposites are much more resistant to severe wear than pure alumina and this paper explores the mechanisms responsible by examining microstructure-property relationships. Results correlating (i) microstructure, (ii) wear rate in a simple abrasive wear test and (iii) quantitative analysis of the appearance of the worn surfaces, are presented. The results show that the reduction in wear rate caused by the SiC is a consequence of the reduction in surface pullout by brittle fracture only. For small volume fractions ( 5vol%), the main effect of the SiC additions is to reduce the dimensions (diameter, depth) of the individual pullouts. This is suggested to be a consequence of the change in fracture mode from intergranular in alumina to transgranular in the nanocomposites. For greater additions of SiC nanoparticles (10vol%), the brittle fracture responsible for the cracking is also suppressed, and it is proposed that this is a consequence of the blocking of the formation of the long twins or dislocation pileups that are thought to be responsible for crack initiation by intragranular SiC particles (i.e. a form of slip homogenisation).

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Mi, Hong Xue, Guo Liang Li, Xiao Zeng Wang, Yang Yu und Yi Hua Dou. „The Experimental Research of P110 Casing Wear-Resisting Property in Oil Base Mud“. Advanced Materials Research 1073-1076 (Dezember 2014): 2231–34. http://dx.doi.org/10.4028/www.scientific.net/amr.1073-1076.2231.

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The contact and slide under high pressure between casing and tool joint leads to wear of the casing inner surface in cemented well. The reduced collapse and burst strength of worn casing threats to the safety of oil and gas well. In order to calculate the wear depth and residual strength of the casing wear, the wear efficiency and friction coefficient is measured in the different wear time, the contact force and the rotating speed. The wear efficiency is in proportion to the contact force and the rotating speed. The wear efficiency of P110 casing change from 2 to 4×10-131/Pa. Friction coefficient reaches maximum value under certain contact force and rotating speed. The rotating speed has less influence on the wear mechanism of casing, while the contact force play a greater influence on the wear mechanism.

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Ma, Dou Qin, Jing Pei Xie, Ji Wen Li, Ai Qin Wang, Wen Yan Wang, Zhi Chao Zhang und Ya Jun Wang. „Study on Electrical Sliding Wear Property of Cu/MoS₂/Mo Composites“. Applied Mechanics and Materials 117-119 (Oktober 2011): 913–16. http://dx.doi.org/10.4028/www.scientific.net/amm.117-119.913.

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In this paper, the Cu/MoS2/Mo composites were prepared by the powder metallurgy technology. The friction wear test was tested by the HST-100 High Speed Electric-tribometer. The microstructure and wearing surface morphology were examined by SEM and EDS. The electrical sliding wear behavior of the composites was discussed. The results indicated that the dense composites are obtained; the wear mechanisms of Cu/MoS2/Mo are mainly abrasive wear and adhesive wear with arc erosion; the effects of current intensity and sliding velocity on the wear property of the composites are complicated, and the composites show the best property when the current intensity is 60A and the sliding velocity is 40m/s.

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Li, Xiaoxue, Kang Yang, Hongru Ma, Haibo Lin, Yukun Han und Qiang He. „The analysis of the self-lubricating behavior and local failure mechanism of silver-rich solid film“. Industrial Lubrication and Tribology 70, Nr. 8 (12.11.2018): 1560–68. http://dx.doi.org/10.1108/ilt-12-2017-0381.

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Purpose The main aim of this paper was to study the self-lubricating behavior and failure mechanism of silver-rich solid film for in-depth analyzing of the friction and wear property of TiAl-10 wt. per cent Ag self-lubricating composite. Design/methodology/approach The friction and wear property of TiAl-10 wt. per cent Ag self-lubricating composite sliding against Si3N4 ball was tested under the testing conditions of ball-on-disk wear system. Field emission scanning electron microscopy and electron probe microanalyzer were used to analyze the surface morphology of silver-rich solid film. The main element contents were tested by energy dispersive spectroscopy. Silver phase on wear scar could be well identified using X-ray photo-electron spectroscopy. The theory calculation of shearing stress on wear scar was executed to discuss the local failure mechanism of silver-rich solid film. The lubricating role of silver was also discussed to analyze the anti-friction and anti-wear behavior of silver-rich solid film. Findings The friction coefficients and wear rates of TASC gradually reduced at 0-65 min, and approached to small values (0.31 in friction coefficient and 3.10×104 mm3N-1m-1 in wear rate) at 65-75 min. The excellent friction and wear behavior of TASC was mainly attributed to the lubricating property of silver-rich film at 65-75 min. At 12→20 N, surface shearing stress increased up to 146.31 MPa, and exceeded more than the shearing strength (125 MPa) of silver-rich film, which caused the propagating of fatigue crack and the destroying of silver-rich film, leading to high friction and severe wear. Originality/value It is important that the self-lubricating behavior and local failure of solid film is explored for further understanding the friction and wear property of TiAl alloys.

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Li, Liangliang, Di Zhang und Yonghui Xie. „Probabilistic Sensitivity Analysis of Wear Property for MEMS Gas Bearing“. Applied Sciences 9, Nr. 20 (18.10.2019): 4409. http://dx.doi.org/10.3390/app9204409.

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In this study, the sensitivity of MEMS gas bearing’ performance to the wear in different axial and circumferential positions is investigated in detail. Rarefaction effect is introduced into the transient and steady lubrication equation, and then the finite element method (FEM) is employed to solve the equations. The stochastic process is adopted to simulate wear distribution and view of probability is proposed to describe the change laws of the static and dynamic performance of the bearing. Then, the static and dynamic characteristics of the bearing in 50 wear conditions are calculated for each case. Furthermore, the standard deviations and correlation coefficients of the bearing performance sample points are analyzed to demonstrate the influence degree of wear in different positions.

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Heo, In Kang, Jeong Won Lee, Jae Hoon Kim, Sun Hyoung Han und Hyung Gon Kim. „Wear Property of Nitrided SACM645 Material for Control Valve“. Transactions of the Korean Society of Mechanical Engineers - A 42, Nr. 5 (31.05.2018): 429–35. http://dx.doi.org/10.3795/ksme-a.2018.42.5.429.

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NISHIDA, Mitsuhiro, und Tsuyoshi NISHIWAKI. „Evaluation method of wear resistant property for resin stud“. Proceedings of Joint Symposium: Symposium on Sports Engineering, Symposium on Human Dynamics 2004 (2004): 21–24. http://dx.doi.org/10.1299/jsmesports.2004.0_21.

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Liu, Jun Bo, Li Mei Wang und Jun Sheng Jiang. „Microstructure and Wear-Resisting Property of Submerged-Arc Welding Fe-Cr-C Ceramic Coating Added Alloy Powder“. Materials Science Forum 675-677 (Februar 2011): 789–93. http://dx.doi.org/10.4028/www.scientific.net/msf.675-677.789.

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Fe-Cr-C ceramic composite coating was fabricated on substrate of Q235 steel by submerged-arc welding process added alloy powder using the material of chromium powder, iron powder, colloid graphite powder and H08 welding wire. Microstructure and wear properties of the composite coating were investigated by means of X-ray diffraction (XRD), scanning electron micrograph (SEM), energy dispersive X-ray analysis (EDS) and microhardness tester. wearresisting property of the coating was tested at room temperature and dry sliding wear conditions. Results show that the composite coating consists of (Cr,Fe)7C3 eutectic phase and austenite. There are many dendrite crystal structure in the coating, and most of the dendrite crystal are parallel, pointing to the surface of the coating. The wear mass loss of the base body Q235 steel is 10 times higher as that of the composite coating. The coating has excellent wear-resisting property because there are many eutectic carbide (Cr,Fe)7C3. It can increase wear resisting property of the coating that the austenite could occurr strain and induced martensite in the coating during wear.

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