烧结温度对电磁压制Ag-25.5Cu-27Sn钎料显微组织及性能的影响
发布时间:2019-03-04 17:13
【摘要】:以纯金属粉末为原料,利用电磁压制技术制备了Ag-25.5Cu-27Sn钎料,并在100~500℃保温30 min进行烧结,研究了烧结温度对钎料相对密度、物相组成、显微组织、熔化特性,以及对其钎焊铜接头微观形貌和抗拉强度的影响。结果表明:随烧结温度的升高,钎料的相对密度先降低后升高,400℃烧结钎料的相对密度高于未烧结钎料的,并生成了稳定的ε_1-Cu_3Sn和ε_2-Ag_3Sn相;烧结使钎料的熔化温度略有提高,400℃烧结钎料的熔化温度比250℃烧结的降低了约4℃;400℃烧结钎料钎焊铜接头焊缝中的气孔数明显较少、组织均匀细小,其抗拉强度比未烧结钎料钎焊铜接头的提高了16%。
[Abstract]:Using pure metal powder as raw material, Ag-25.5Cu-27Sn solder was prepared by electromagnetic compaction and sintered at 100 鈩,
本文编号:2434457
[Abstract]:Using pure metal powder as raw material, Ag-25.5Cu-27Sn solder was prepared by electromagnetic compaction and sintered at 100 鈩,
本文编号:2434457
本文链接:https://www.wllwen.com/kejilunwen/jiagonggongyi/2434457.html