用扭转疲劳试验机对63Sn-37Pb和Sn-3Ag-0.5Cu两种合金钎料在扭转载荷下的低周疲劳性能进行了研究。结果表明: 两种钎料均为循环软化材料, 它们的变形主要由塑性变形决定; 两种钎料的疲劳寿命均随着剪应变幅的减小而显著增大; 在相同的剪应变幅下, Sn-3Ag-0.5Cu合金钎料的疲劳寿命比63Sn-37Pb钎料的长, 即Sn-3Ag-0.5Cu合金钎料的抗剪切疲劳能力更强。
所属栏目
材料性能及其应用
收稿日期
2013/6/222014/4/15
作者单位
郭洪强:淄博职业学院化工系, 淄博 255314天津大学化工学院, 天津 300072
备注
郭洪强(1969-), 男, 山东淄博人, 副教授, 硕士。
引用该论文:
GUO Hong-qiang.Torsional Low Cycle Fatigue Properties of 63Sn-37Pb and Sn-3Ag-0.5Cu Alloy Solders[J].Materials for mechancial engineering,2014,38(8):65~69
郭洪强.63Sn-37Pb和Sn-3Ag-0.5Cu合金钎料的扭转低周疲劳性能[J].机械工程材料,2014,38(8):65~69
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