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Abstract:
为得到硅通孔电镀填充铜(TSV-Cu)的力学性能,对TSV-Cu进行了Berkovich纳米压痕实验.基于Oliver-Pharr算法和连续刚度法确定TSV-Cu的弹性模量和硬度分别为155.47 GPa和2.47 GPa;采用有限元数值模拟对纳米压痕加载过程进行反演分析,通过对比最大模拟载荷与最大实验载荷,确定TSV-Cu的特征应力和特征应变;由量纲函数确定的应变强化指数为0.4892;将上述实验结果代入幂强化模型中,确定TSV-Cu的屈服强度为47.91 MPa.最终确定了TSVCu的幂函数型弹塑性应力-应变关系.
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金属学报
ISSN: 0412-1961
Year: 2014
Issue: 6
Volume: 50
Page: 722-726
2 . 3 0 0
JCR@2022
ESI Discipline: MATERIALS SCIENCE;
ESI HC Threshold:341
JCR Journal Grade:3
CAS Journal Grade:4
Cited Count:
SCOPUS Cited Count: 6
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: 7
Chinese Cited Count:
30 Days PV: 2
Affiliated Colleges: