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IMPROVING THE SURFACE PROPERTY OF TC4 ALLOY BY LASER NITRIDING AND ITS MECHANISM C.S. Liu1,G.J. Zhao2,D. Zhang2,Y.L. Yang2 (1.College of Material and Metallurgy, Northeastern University,Shenyang 110004, China;2.College of Science, Northeastern University, Shenyang 110004, China) Abstract:The mixing technology of laser and heated nitrogen was applied to improve the surface hardaccelerate......
First-principles study for surface tension and depolarizing effect on ferroelectric properties of BaTiO3 nanowires CAI Meng-qiu(蔡孟秋), DU Yong(杜 勇), HUANG Bai-yun(黄伯云) State Key... that of bulk counterpart. The ferroelectric properties of the wire are found to generally depend on its dimensions through effects of the surface tension and near-surface depolarizing effect. The surface......
Preparation of Zirconia-Ceria Powders with High Specific Surface Area MEI Fang1,Wang Enguo1 (1.Department of Physics, Zhanjiang Normal University, Zhanjiang 524048, China) Abstract:Zirconia-ceria... shows that high temperature aging is an efficient way of preparation of ZrO2-CeO2 mixed oxide powders with high specific surface area and good thermal stability, and that addition of a small amount......
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J. Cent. South Univ. Technol. (2008) 15(s1): 374-380 DOI: 10.1007/s11771-008-383-2 Rheological characteristics of soft rock structural surface CHEN Yuan-jiang(陈沅江)1, 2, WU Chao(吴 超)1, FU Yi...: There are two mechanisms of the coarse surface asperity resistance effect and rubbing resistance effect in the course of the soft rock structural surface creep, of which the former plays a dominant......
Mechanical properties,microstructure and surface quality of Al-1.2Mg-0.6Si-0.2Cu alloy after solution heat treatmentLi-Zhen Yan1,Yong-An Zhang1,Bai-Qing Xiong1,Xi-Wu Li1,Zhi-Hui Li1,Hong-Wei Liu1,Shu... of Education),Northeastern University摘 要:The effect of solution heat treatment(SHT) on mechanical properties,microstructure and surface quality......
condition and predict width and depth of melted zone from process variables applied to practical work. Especially, surface hardness is important for mold to produce the parts of identical quality. This is applied in almost all industries (the automobile part, the electric electronic component and office equipment etc). The surface hardness of tools is an essential element in quality......
NH3 Plasma Surface Treatments of Engineering Fluoropolymers:A Way toEnhance Adhesion of Ni or Cu Thin Films Deposited by Electroless Plating Yves Goepfert1,Marlène Charbonnier1,Maurice Romand1... the electroless Ni or Cu plating of some fiuoropolymer substrates through a tin-free activation process. Materials subjected to surface metallization are commercial Teflon() FEP, Nafion(), ACLAR() and LaRCTM-CP1......
Effect of surface nanocrystallization and PPEC time on complex nanocrystalline hard layer fabricated by plasma electrolysis M. ALIOFKHAZRAEI1, SH. AHANGARANI2, A. SABOUR ROUHAGHDAM1 1. Department...; Abstract: Size distribution of nano-carbides produced by duplex treatments of surface......
J. Cent. South Univ. (2016) 23: 1040-1051 DOI: 10.1007/s11771-016-0353-z Application of multivariate statistical techniques in assessment of surface water quality in Second Songhua River basin... applied to evaluate and interpret the surface water quality data sets of the Second Songhua River (SSHR) basin in China, obtained during two years (2012-2013) of monitoring of 10 physicochemical parameters......