SnAgCuY系稀土无铅钎料显微组织与性能研究

1.北京工业大学,北京,100022

2.北京工业大学,北京,100022

3.北京工业大学,北京,100022

4.北京工业大学,北京,100022

5.北京工业大学,北京,100022

基金项目: 国家高技术研究发展计划(863计划)(2002AA322040)

Studies on Microstructure and Performance of SnAgCuY Lead-Free Solders Doped with Rare Earth Y

研究了添加微量稀土Y对Sn3.8Ag0.7Cu钎料合金显微组织和性能的影响,通过对钎料的熔化温度、润湿性能、接头剪切强度的测试及显微组织观察,指出含微量稀土的SnAgCuY合金是性能优良的无铅钎料合金,同时确定了最佳的Y含量范围.

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