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Thermal Stability of Surface Layer Microstructures of Commercially Pure Titanium Treated by High Energy Shot Peening ZHANG Yu-juan1,REN Rui-ming1,CHEN Chun-huan1 (1.Dalian Jiaotong University... nanocrystallization is well known as one of important methods to improve surface properties. The thermal stability of nanocrystalline microstructures was related to their preparation and application......
Microstructures of surface modification layer on Q235 steelproduced by laser melt injection of WC LI Fu-quan(李福泉), CHEN Yan-bin(陈彦宾), LI Li-qun(李俐群) State Key Laboratory of Advanced Welding...; Abstract: WC powder was injected onto the surface of Q235 steel by laser melt injection (LMI......
Microstructures variation of spray formed Si-30%Al alloy during densification process WEI Yan-guang(魏衍广), XIONG Bai-qing(熊柏青), ZHANG Yong-an(张永安), LIU Hong-wei(刘红伟), WANG Feng(王 锋), ZHU Bao-hong... to the diffusion of atoms during densification process. Key words: Si-30%Al alloy; spray forming; electronic packaging materials; microstructures variation; densification process 1 Introduction A new......
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J. Cent. South Univ. Technol. (2010) 17: 906-910 DOI: 10.1007/s11771-010-0575-4 Cooperative effect of surface alloying and laser texturing on tribological performance of lubricated surfaces... surface texturing (LST) and double glow plasma surface alloying on tribological performance of lubricated sliding contacts was investigated. A Nd:YAG laser was used to generate microdimples on steel......
and zone A block distributes among zone B and zone C. Fig.2 Low-magnification morphology of worn surface The morphologies of zone A were observed by SEM. Three types of microstructures are found... Worn surface characteristics ofCu-based powder metallurgy bake materials for aircraft YAO Ping-ping(姚萍屏), SHENG Hong-chao(盛洪超), XIONG Xiang(熊 翔), HUANG Bai-yun(黄伯云) State Key Laboratory of Powder......
Microstructure and properties of Fe-based coatings on cutting pick surface formed by plasma jet surface metallurgy CHEN Hao(陈 颢)1, 2, YANG Jian-gao(羊建高)2,LI Hui-qi(李惠琪)3 1. School of Materials...; Abstract: The Fe-based composite coatings were produced on the attrition spot of cutting pick by plasma jet surface metallurgy, and metallurgical bonding was obtained between coating and substrate......
Laser surface hardening of AISI H13 tool steel Jae-Ho LEE, Jeong-Hwan JANG, Byeong-Don JOO, Young-Myung SON, Young-Hoon MOON School of Mechanical Engineering, Pusan National University, Busan...; Abstract: An attempt was made to improve the surface hardness and wear properties of AISI H13 tool steel through solid solution hardening and refinement......
Dendritic Deposition of NH4CI Crystals with Free Surface as Simulations of Surface Solidification of MaterialsJunming LIU Zhiguo LIU Zhuangchun WU National Lab.of Solid State Microstructures,Nanjing University,Nanjing 210008,China摘 要:<正> As a simulation of surface solidification of materials,quasi-two dimensional dendritic deposition ofammonium......