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Microstructure and Tribological Behavior of Self-lubricating(Si:N)-DLC/MAO Coatings on AZ80 Magnesium SubstrateWei YANG1,2,Zhennan DENG3,Dong ZHANG2,Peiling KE2,Aiying WANG21. School of Materials Science and Chemical Engineering,Xi an Technological University2. Ningbo key laboratory of Marine Protection Materials,Ningbo Institute of Materials Technology and Engineering,Chinese Academy......
作用,在800 ℃时氧化膜出现不同程度的腐蚀.关键词:镍基自润滑复合材料;hBN;高温氧化;动力学High temperature oxidation behaviours of Ni-20Cr/hBN self-lubricating compositesWANG Chang-chuan, WANG Ri-chu, PENG Chao-qun, FENG Yan, WEI Xiao-feng(School of Materials Science and Engineering, Central South University, Changsha 410083, China)Abstract:The Ni-20Cr/hBN self-lubricating composites were prepared by powder metallurgy with hBN contents......
Comparison in characterization of composite and sol-gel coating on AZ31 magnesium alloy WANG Zhen-lin(王振林), ZENG Rong-chang(曾荣昌) School of Materials Science and Engineering, Chongqing... sol-gel process annealing at 300 ?C and a composite coating was also deposited using Al2O3 particles dispersed sol followed by phosphating treatment and annealing at 300 ?C. The morphologies......
Preparation of Dysprosium Ferrite/Polyacrylamide Magnetic Composite Microsphere and Its Characterization Hidehiro Kumazawa1,Wang Zhifeng2,Zhang Ming2,Li Yourong2,Zhou Lanxiang2,Zhang Hong2... the technique of microemulsion polymerization with nano-reactor, dysprosium ferrite/polyacrylamide magnetic composite microsphere was prepared by one-step method in a single inverse microemulsion......
al studied the lubricative behaviors of oxides films and applied the antifriction principle of the autogenic oxides films to the development of high-temperature self-lubricating alloys[1-4]. Sulfides... self-lubricating properties in a wide temperature range[5-8], thus self-lubricating Ni-based alloy is used as the friction pair of ceramics and this is one of the leading approaches in solving......
感应烧结制备高温自润滑涂层及其性能研究肖玲1,丁春华1,孙岩桦2,虞烈2(1.陕西省西安市西安交通大学 航天学院强度与振动教育部重点实验室2.西安交通大学 机械学院)摘 要:通过高能球磨和感应烧结制备耐高温自润滑IS304涂层,涂层中自润滑相明显细化,其中Ag尺寸为5μm左右,BaF2/CaF2尺寸为1μm左右.研究表明,环境温度和组织对涂层的摩擦性能有较大影响,当温度为20-340℃时,2种涂层的摩擦系数都较高,磨损机理主要为微观脆性断裂;随着温度升高,由于磨损面上形成由氟化物和Ag组成的自润滑膜,涂层的摩擦......
The Technology and Properties of Digital Double Pulse Electrodepositing Ni-HA Composite Coating of Bioceramics JIN Zhong-hong1,SHI Gu-guizhi2,DONG He-yan3,LI Yan1,WANG Zhou4,CHEN Wei-rong4,FU... and analyses the technology, the surface image, microstructure and ability of digital double pulse electrodepositing Ni-HA composite coatings of bioceramics made on 1Crl8Ni9Ti substrate by SEM ,XRD and so......
Synthesis and electrochemical properties of LiMn2O4/Li4Ti5O12 composite HE Ze-qiang(何则强)1, 2, XIONG Li-zhi(熊利芝)1, 2, WU Xian-ming(吴显明)1, CHEN Shang(陈 上)1, HUANG Ke-long(黄可龙)2 1. College...; accepted 30 December 2009 _____________________________________________________________________________________________________ Abstract: LiMn2O4/Li4Ti5O12 composite was synthesized by in-situ composite......