低成本高性能Sn-Ag-Cu无铅钎料的研究
WELDING & JOINING(2011)
Abstract
系统研究了Sn-Ag-Cu无铅钎料合金在Ag含量为0.1%~1.0%范围内的熔程、焊接性、力学性能及溶铜性能;研究了添加微量元素P和Ni对合金的焊接性和溶铜量的影响.结果表明,低银合金的熔程在217~227℃之间,随Ag含量的增加熔程缩小;sn-0.5Ag-0.7Cu合金具有最佳的综合性价比;向这种成分的合金中添加0.01%的P和0.02%的Ni时,合金具有较好的焊接性,溶铜率大幅降低.
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