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Fretting wear of micro-arc oxidation coating prepared on Ti6Al4V alloy LIN Xiu-zhou(林修洲)1, 2, ZHU Min-hao(朱旻昊)1, ZHENG Jian-feng(郑健峰)1, LUO Jun(罗 军)1, MO Ji-liang(莫继良)1 1. Tribology... detected by Vickers hardness tester, profilometer, scanning electric microscope (SEM), energy dispersive X-ray spectrometer (EDX) and X-ray diffractometer (XRD). Fretting wear behaviors of the coating......
, heart valve cages and reconstruction devices[6]. Wear performance is also crucial for biomedical alloy material. Excessive wear of the components induces adverse cellular response, leading... on are a complex contradiction[10]. Generally speaking, with increasing strength, the hardness and wear performance are improved, but the toughness and modulus of elasticity decrease a little accordingly. Thus......
Microstructures and wear properties of graphite and Al2O3 reinforced AZ91D-Cex composites ZHANG Mei-juan(张美娟)1, 2, CAO Zhan-yi(曹占义)1, YANG Xiao-hong(杨晓红)1, LIU Yong-bing(刘勇兵)1 1. Key Laboratory... dispersed uniformly and no agglomeration and casting defect were observed. The microstructures and wear properties of the composites with different Ce contents of 0, 0.4%, 0.8% and 1.0%, respectively......
, and the microstructure and wear properties of the hardfacing material were investigated. 2 EXPERIMENTAL 2.1 Composition of materials The chemical composition and mechanical performance of YT758...Microstructure and wear properties of YT758/CuZnNi hardfacing materials WANG Xin-hong(王新洪)1, ZHANG Min(张 敏)2, ZOU Zeng-da(邹增大)1, QU Shi-yao(曲仕尧)1 (1. School of Materials Science......
of deposited materials were characterized by optical microscope and X- ray diffraction. Hardness tests and wear resistance tests were carried out to determine the performance of the deposited layers...Wear Resistance of Deposited Layer Using Nickel-Based Composite Powders by Plasma-Arc Surfacing DU Ze-yu1,XU Bin-shi2,DONG Li-hong2,ZHU Sheng2 (1.College of Material Science and Engineering......
Tribological behavior and wear mechanism of resin-matrix contact strip against copper with electrical current TU Chuan-jun(涂川俊), CHEN Zhen-hua(陈振华), CHEN Ding(陈 鼎), YAN Hong-ge(严红革), HE Feng-yi... has excellent abrasion resistance with electrical current and friction-reducing function, was developed in view of the traditional contact strips with high maintenance cost, high wear rate......
Study on the Components and Performance of GCr15 Bearing Steel Surface by Gas Multi-elements Penetrating CHEN Fei1,YAO Bin1,ZHANG Jian-jun1,CHEN Li1,Zhou Hai1 (1.Beijing Institute of Petro-Chemical Technology, Colloge of Mechanical Engineering, 102617, China) 摘要:Gas multi-elements Penetration is a new surface hardening technology to improve the performance of the surface.In this paper, we......
The Influence of High Temperature Exposure on the Wear Performance of a Ni Based Alloy PTA Coating Ana Sofia C.M.d'Oliveira1,Karin Graf1 (1.Mechanical Department of Universidade Federal do Parana..., 1440 and 1800m).Coatings characterization was done by scanning electronic microscopy and Vickers microhardness. Results showed as temperature is increased, coatings wear performance is altered......
, and the analysis does not include enough input parameters for the performance of railway turnout. The significant factors are not suitable for rail wear in high-speed railway turnouts. Therefore, two...J. Cent. South Univ. (2017) 24: 988-1001 DOI: 10.1007/s11771-017-3501-1 Parameters studies for rail wear in high-speed railway turnouts by unreplicated saturated factorial design XU Jing-mang(徐井芒)1......
performance of the coating was found at x=0.45, which endured 38 minutes before the tool flank wear reached the maximum value of 0.3mm, whereas only 20 minutes were endured for the TiN coating...TRIBOLOGICAL AND HIGH SPEED TURNING PERFORMANCE IN Ti1-xAlxN COATINGS PREPARED BY CLOSE-FIELD UNBALANCED MAGNETRON SPUTTERING Y.G. Shen1,Z.F. Zhou1,T.H. Wong1,K.Y. Li1,M. Escursell1,P.W. Shum1......
