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; Preparation of Ni nanoparticles plating...; Abstract: Ni nanoparticles plating was prepared in reverse microemulsion. The deposition was carried out through the Brownian motion of water......
Effect of Cerium on the Properties of CuPNiSn Amorphous Alloys谭肇升,张邦维,张恒摘 要:<正> CuPNiSn amorphous alloys are good brazing materials at medium temperature for replacementof silver bearing brazing materials.The crystallization temperature,wettability,tensile strength of Cu-Cujoints and the microstructure of joints for three compositional series......
resistance of (Pd,Ni)Sn4 phase in lead-free solder joints[J]. Journal of Alloys and Compounds, 2016, 654(2): 546-553. [10] LIU Hui-jie, FENG Ji-cai. Vacuum brazing TiAl-based alloy to 40Cr steel using Ag-Cu...-feng, Hong, KANG Zhi-jun, CHU Jian-xin, ZHANG Xiao-yong, WANG Lin-shan. Wetting mechanism of Pd based active brazing alloys on SiC ceramic[J]. Rare Metals, 2007, 31(4): 507-509. [16] VIVEK C, HO B......
轴对称磁场对电弧离子镀TiN薄膜结构及摩擦性能的影响肖金泉1,郎文昌1,赵彦辉1,宫骏1,孙超1,闻立时1(1.辽宁省沈阳市科学院金属研究所材料表面工程研究部)摘 要:利用轴对称磁场增强电弧离子镀工艺制备TiN薄膜,对薄膜表面大颗粒尺寸,数量及大颗粒与薄膜的面积比进行了分析统计,研究了轴对称磁场横向分量强度对薄膜表面大颗粒尺寸和数量,薄膜组织结构及摩擦性能的影响,结果表明,随着轴对称磁场横向分量强度的增加,大颗粒的尺寸和数量大幅度减少,不同尺寸大颗粒的形貌差别很大,TiN薄膜的(111)择优取向增强,薄膜的晶粒尺寸减小且分布均匀:同时,薄膜的摩擦系数及其随时间的波动减小,耐磨性增强.关键词:轴对称磁场; 电弧离子镀; 大颗粒; 组织结构; 摩擦性能......
, microstructure and hardness of Ag–Cu–In brazing alloys are substantially different when adding different levels of indium. Indium element could effectively reduce the melting temperatures of(Ag–Cu28)–x...Microstructure and melting properties of Ag–Cu–In intermediate-temperature brazing alloysXue Ma1,Liang-Feng Li1,2,Zu-Hua Zhang2,Hao Wang2,En-Ze Wang1,Tai Qiu31. School of Materials Science......
brazing techniques of steels, nickel based superalloys, titanium alloys, aluminum alloys, and titanium-matrix composites have been successfully developed[1-4]. Arc brazing or plasma arc brazing... Growth behavior of interfacial compounds in galvanized steel joints with CuSi3 filler under arc brazing YU Zhi-shui(于治水), LI Rui-feng(李瑞峰), QI Kai(祁 凯) College of Materials Engineering, Shanghai......
solution along with an enhancing hardness from Hv 450 to Hv 910. Key words: magnesium alloy; direct electroless Ni-P plating; amorphous; adhesive strength 1 Introduction Magnesium and its alloys..., this treatment is harmful to environment. Electroless nickel plating on magnesium alloys is a proper protection method because the deposited nickel is very resistant to corrosion and abrasions......
steel with silver-based filler alloy by supersonic frequency induction brazing. The microstructure was observed using scanning electron microscope (SEM), energy dispersive spectroscopy (EDS) and the magnetic properties were tested utilizing coercimeter and cobalt magnetism instrument. The results show that no micro-crack is found in the cemented carbide after brazing because of silver-based......
. Spontaneous growth of tin whiskers on tin-rare-earth alloys[J]. Philosophical Magazine Letters, 2007, 87(9): 657-662. [7] COBB H L. Cadmium whisker[J]. Monthly Review of America Electroplaters Society... of tin whiskers[J]. Plating, 1966, 53(1): 96-99. [13] FRANKS J. Growth of whiskers in the solid phase[J]. Acta Metallurgica, 1958, 6(2): 103-109. [14] 郝 虎, 董文兴, 史耀武, 夏志东, 雷永平. Sn晶须的形态机制[J]. 中国有色金属学报, 2009......
Trans. Nonferrous Met. Soc. China 25(2015) 1506-1516 Structure and effects of electroless Ni-Sn-P transition layer during acid electroless plating on magnesium alloys Wei LIU1,2, Dong-duo Xu1, Xiao... plating on magnesium alloys. The surface morphologies and microstructure of the traditional alkaline electroless Ni-P and novel Ni-Sn-P transition layers were compared by SEM and XRD, and the bonding......