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Influence of Voltage on the Corrosion and Wear Resistance of MicroArc Oxidation Coating on Mg-8Li-2Ca AlloyBing-Yu Qian1,Wei Miao2,Min Qiu3,Fan Gao3,Dong-Hui Hu3,Jian-Feng Sun1,Rui-Zhi Wu2,3,Boris...(CaP) coatings were prepared on Mg–8Li–2Ca magnesium alloy by micro-arc oxidation(MAO) in an alkaline Na3PO4–Ca[C3H7O6P] base solution at the different applied voltages. Scanning electron microscope......
Study of Composite Hardcoat Anodizing of Aluminum Alloy 6063 and Its Friction Behaviors SHI Ya-qin1,Gao Xue-min1,LIU Shi-yong1,ZHANG Hui-chen1,LIU Wei1 (1.Institute of Metal and Technology, Dalian...% by area percentage. Thickness of the composite coating can reach up to 70 μ m after one hour''s anodizing. Surface hardness of the composite coating is between 400-480 HV0.1. The average friction......
Influence of loading and rotation speed on Friction and Wear properties of CuAlBi Alloy Dong Litao1,Li Xingyuan2,Liu Rongchang1,Chen Xiuhong1 (1.E & A College, Hebei Normal University of Science & Technology, Qinhuangdao 066004, China;2.College of Mathematics and Physics, Yanshan University, Qinhuangdao 066004, China) Abstract:The variation of the friction coefficient of the CuAlBi alloy......
Oxidation behavior of oxidation protective coatings for C/C-SiC composites at 1 500 ℃ YAN Zhi-qiao(闫志巧)1, 2, XIONG Xiang(熊 翔)1, XIAO Peng(肖 鹏)1, CHEN Feng(陈 峰)1, ZHANG Hong-bo(张红波)1, HUANG Bai... prepared by chemical vapor deposition(CVD) alternated with slurry painting were applied on C/C-SiC composites, respectively. The oxidation of three samples at 1 500 ℃ was compared. The results show......
Friction and wear of 7075 aluminum alloy induced by torsional fretting CAI Zhen-bing(蔡振兵), ZHU Min-hao(朱旻昊), LIN Xiu-zhou(林修洲) Tribology Research Institute, Traction Power State Key Laboratory..., more severe damages are observed and the debris layer covers the wear scars. Friction torque and dissipation energy which are strongly dependent upon the imposed angular displacement amplitudes......
J. Cent. South Univ. (2016) 23: 2999-3005 DOI: 10.1007/s11771-016-3363-y Oxidation and roasting characteristics of artificial magnetite pellets ZHANG Han-quan(张汉泉), LU Man-man(路漫漫), FU Jin-tao(付金涛... magnetite concentrate, artificial magnetite with more lattice defects and higher activity tends to be oxidized. And the artificial magnetite pellet at the temperature of 400 °C has the oxidation......
J. Cent. South Univ. Technol. (2011) 18: 679-684 DOI: 10.1007/s11771-011-0747-x Forced response characteristics of bladed disks with mistuning non-linear friction WANG Ai-lun(王艾伦)1, 2, LONG Qing... of mistuned bladed disks by using simple non-linear model, a mechanical model of the bladed disk with random mistuning of hysteretic dry friction damping was established. Then, the incremental harmonic......
