材料科学与工程学报2017，Vol.35Issue(4)：517-523,7.DOI:10.14136/j.cnki.issn 1673-2812.2017.04.001
机械合金化制备Ag-Cu-Sn钎料的组织和热稳定性
Investigation of Microstructure and Thermo-stability of Ag-cu-sn Filler Metal Powders Prepared by Mechanical Alloying
摘要
Abstract
Ag-Cu-Sn filler alloy was synthesized by the mechanical alloying method in order to get the supersaturated solid solution phase instead of brittle intermetallics to avoid the embrittlement of the joint.Microstructure and thermo-stability of the Ag-Cu-Sn final milling products were investigated.Results indicated that the mixture of Ag (Cu,Sn) and Ag (Cu) solid solution phases could be obtained by controlling the ball milling time and the tin content.During the vacuum annealing,Ag-rich solid solution was stable while Cu-rich solid solution was easy to decompose and transformed into Cu3Sn intermetallic compound.Meanwhile Ag-Sn compound could be decomposed to Ag-based solid solution and Sn-rich phase.The decomposition products of Cu-Sn compound were a variety of mesophases.Cu/Sn ratio increased with the increasing of the annealing temperature.After the remelting test,the refined microstructure was formed,which should be beneficial to the bonding strength after brazing.关键词
Ag-Cu-Sn钎料/过饱和固溶体/热稳定性/机械合金化Key words
Ag Cu Sn brazing alloy/supersaturated solid solution/thermo stability/mechanical alloying分类
矿业与冶金引用本文复制引用
刘薇,范仲华,王晓蓉,余丁坤,陈融,沈杭燕,郭驾宇,郭冰,何鹏..机械合金化制备Ag-Cu-Sn钎料的组织和热稳定性[J].材料科学与工程学报,2017,35(4):517-523,7.基金项目
浙江省自然科学基金资助项目(LY16F050005) （LY16F050005）
