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Author:

秦飞 (秦飞.) (Scholars:秦飞) | 项敏 (项敏.) | 武伟 (武伟.)

Indexed by:

CQVIP PKU CSCD

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TSV-Cu的幂函数型弹塑性应力-应变关系.

Keyword:

应变强化指数 纳米压痕 屈服强度 硅通孔电镀填充铜 弹性模量

Author Community:

  • [ 1 ] 北京工业大学机械工程与应用电子技术学院

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Source :

金属学报

Year: 2014

Issue: 06

Volume: 50

Page: 722-726

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 9

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