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Microstructure and properties of an Al–Ti–Cu–Si brazing alloy for SiC–metal joiningChun-duo Dai1,Rui-na Ma1,Wei Wang1,Xiao-ming Cao1,Yan Yu21. School of Materials Science and Engineering,Hebei University of Technology2. Commercial Aircraft Corporation of China,Ltd.摘 要:An Al–Ti–Cu–Si solid–liquid dual-phase alloy that exhibits good wettability......
of Technology, Harbin 150001, China) Abstract: In order to characterize the diffusion behavior of Zn as melting point depressant (MPD) and its potential ability on removing oxide film during the brazing... along the interface. Key words: aluminum metal matrix composite; fluxless brazing; self-flux brazing alloy; grain boundary penetration; erosion; undermining 铝基复合材料因铝基体去膜困难,陶瓷增强相润湿性差,热膨胀系数低等原因而呈现出较差的润湿性......
Effect of combinative addition of mischmetal and titanium on the microstructure and mechanical properties of hypoeutectic Al-Si alloys used for brazing and/or welding consumables王博1,薛松柏1,王俭辛21... brazing and/or welding alloys were investigated by differential scanning calorimetry(DSC), optical microscopy(OM), scanning electron microscopy(SEM). The DSC results showed that an addition of RE......
Effect of combinative addition of mischmetal and titanium on the microstructure and mechanical properties of hypoeutectic Al-Si alloys used for brazing and/or welding consumables王博1,薛松柏1,王俭辛21... brazing and/or welding alloys were investigated by differential scanning calorimetry(DSC), optical microscopy(OM), scanning electron microscopy(SEM). The DSC results showed that an addition of RE......
of 370 ℃/10%-35% and 500 ℃/20%-35%, coarse recrystallized grains are formed in the core material of the clad sheet during brazing, which prevents silicon element of the filler alloy from penetrating into the core material along the grain boundaries and the sagging resistance of the foil is improved. Key words: composite brazing aluminum foil; sagging resistance; recrystallization; silicon......
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金首饰用无镉K金钎料的研究与发展 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:概述了金属镉在金首饰合金钎料中的作用和无镉K金钎料的合金化原理,给出了近年开发的9K~22K颜色和白色无镉K金合金钎料的成分和熔化温度范围,指出:在K金首饰应用领域,开发适合分级钎焊的高性能无镉K金钎料系列以及无镉K金钎料的标准化和商业化,依然是无镉K金钎料的发展方向. 关键词:金属材料; 金合金钎料; 首饰用K金合金; metal materials; gold brazing alloys; karat gold alloys for jewelry; [全文内容正在添加中] ......
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] ......
joint; silver based brazing alloy; microstructure; mechanical property; [全文内容正在添加中] ......
