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Abstract:
研究Sn3.0Ag0.5Cu/Cu界面处的IMC在150℃下等温时效的生长情况,时效时间分别为100,300,500,1000 h.拟合出IMC的厚度与时效时间的关系,采用纳米压痕仪进行纳米压痕试验,发现Cu6 Sn5与Cu3 Sn的变形机制不同.Cu6Sn5为非连续性塑性变形,表现为压痕过程中的锯齿流变;Cu3 Sn的压痕曲线比较平滑.随Cu6Sn5厚度的增加,Cu6 Sn5的弹性模量和硬度没有太大变化.对时效100,500 h后的Sn3.0Ag0.5Cu/Cu界面处的过渡区进行纳米压痕试验,发现Cu,Cu3Sn,Cu6 Sn5和Sn3.0Ag0.5Cu的硬度大小顺序为Cu6 Sn5> Cu3 Sn> Cu> Sn3.0Ag0.5Cu.
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焊接学报
ISSN: 0253-360X
Year: 2013
Issue: 1
Volume: 34
Page: 25-28,32
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: 7
Chinese Cited Count:
30 Days PV: 13
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