采用均匀设计方法对Sn-Ag-Sb系无铅焊料合金进行合金设计,并对其焊料合金进行了熔点、剪切强度及微观组织等研究分析,结果表明:Sb的加入,对Sn-Ag-Sb系合金熔点下降的影响较小,Ag、Sb在Sn基体中形成Ag3Sn和SbSn相,形成良好弥散强化,因此使得焊料合金具有较高的机械强度.
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