共搜索到25444条信息,每页显示10条信息,共2545页。用时:0小时0分0秒578毫秒
Cu-Ag-Si-Ga系低蒸气压钎料合金研究 赖丽君1,李伟1,刘泽光1 (1.贵研铂业股份有限公司,昆明贵金属研究所,云南,昆明,650106) 摘要:研究了Cu-Ag-Si-Ga系钎料合金的熔化特性,加工性能和在Cu,Ni和不锈钢母材上的铺展性,钎焊接头强度以及Ga对钎料合金微观组织的影响.推荐一种典型的钎料,其成分为40Ag-2Si-2Ga-余量Cu(质量分数%),熔化温度为786.1~823.0℃,在500℃的条件下的蒸气压低于5.51×10~(-8)Pa,该钎料适合用于850~870℃电真空器件分级钎焊. 关键词:金属材料; 银合金; 钎料合金; 蒸气压; metal materials; silver alloy; brazing filler alloy; vapuor pressure; [全文内容正在添加中] ......
J. Cent. South Univ. (2012) 19: 312-318 DOI: 10.1007/s11771-012-1006-5 In-situ growth of silver nanostructure on quartz glass substrates YI Zao(易早)1, 2, ZHANG Jian-bo(张建波)1, NIU Gao(牛高)1, CHEN Yan(陈艳... Press and Springer-Verlag Berlin Heidelberg 2012 Abstract: Silver nanostructure compact aggregates on the surface of quartz glass substrates were synthesized by small gold seeds with the assistance......
joint; silver based brazing alloy; microstructure; mechanical property; [全文内容正在添加中] ......
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......
Effect of Silver Content on Microstructure and Properties of Brass/steel Induction Brazing Joint Using Ag-Cu-Zn-Sn Filler MetalJ.Cao 1,2),L.X.Zhang 1),H.Q.Wang 1),L.Z.Wu 2) and J.C.Feng 1) 1) State... 要:The induction brazing of brass to steel using Ag-Cu-Zn-Sn filler metal was investigated in this study.The influence of Ag content on the microstructure......
Deposition of chromium aluminum nitride coatings by arc ion plating ZHANG Shu-juan(张淑娟)1, LI Ming-sheng (李明升)1, FENG Chang-jie(冯长杰)2, LIU Ting-zhi(刘庭芝) 1, DUO Shu-wang(多树旺) 1 1. Jiangxi Key... Technology, Nanchang 330063, China Received 15 July 2007; accepted 10 September 2007 Abstract: Cr-Al-N ternary coatings were deposited by arc ion plating method using isolated Cr target and Al target......
Effects of Nb content in Ti–Ni–Nb brazing alloys on the microstructure and mechanical properties of Ti–22Al–25Nb alloy brazed jointsY.Wang,X.Q.Cai,Z.W.Yang,D.P.Wang,X.G.Liu,Y.C.LiuTianjin Key Lab... alloy using Ti–Ni–Nb brazing alloys prepared by arc-melting. The influence of Nb content in the Ti–Ni–Nb brazing alloys on the interfacial microstructure and mechanical properties of the brazed joints......
. The cycling voltage-amp curves prove the phenomenon. Keyword: hydrogen storage alloys; chemical copper plating; surface treatment; Received: 2000-02-08...; Electrochemical properties of Ti-Mn based hydrogen storage alloys treated by copper-microencapsulating Abstract: Electrochemical properties......
; 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......
The New Plating Process on Plastics Kazuya Satoh1,Jun Okada1,Makoto Imamura1 (1.Okuno Chemical Industries Co.,Ltd, Japan) 摘要:This process does not use general electroless plating solution containing formaldehyde(carcinogen) and phosphate(the object of waste water regulation). Furthermore, we succeeded in developing a new electroless copper plating solution which is usable semi-permanently......