采用1 mm2微型单搭接钎焊接头, 研究了恒定应力下温度对Ag颗粒增强SnCu基复合钎料钎焊接头蠕变寿命的影响, 研究结果表明: 增强颗粒Ag与基体会发生冶金反应, 在Ag颗粒周围形成了一薄层Ag-Sn金属间化合物, 使增强颗粒Ag与基体紧密结合, 从而使复合钎料钎焊接头蠕变寿命优于基体SnCu钎料;温度对复合钎料钎焊接头蠕变寿命影响较SnCu钎料明显.
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