Internal friction study of the stress relaxation behavior in Cu-Ni-P alloys

被引：9

作者：

Aruga, Yasuhiro ^{[1
]}

Morikawa, Yoshiki ^{[2
]}

Tamaoka, Satoshi ^{[2
]}

Nishino, Yoichi ^{[2
]}

机构：

[1] Kobe Steel Ltd, Mat Res Lab, Nishi Ku, Kobe, Hyogo 6512271, Japan

[2] Nagoya Inst Technol, Dept Frontier Mat, Showa Ku, Nagoya, Aichi 4668555, Japan

来源：

SCRIPTA MATERIALIA | 2012年 / 66卷 / 09期

关键词：

Internal friction; Stress relaxation; Copper alloys; Three-dimensional atom probe (3DAP); Cluster; DISLOCATION HYSTERESIS; PRECIPITATION;

D O I：

10.1016/j.scriptamat.2012.01.022

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The strain-amplitude dependence of internal friction in Cu-Ni-P alloys has been investigated to evaluate nondestructively the stress relaxation resistance. Annealing at 250 degrees C after cold rolling causes a suppression of the strain-amplitude dependence with increasing annealing time in the range between 10 and 10(4) s. It is revealed that the stress relaxation resistance linearly improves as the rnicroplastic strain evaluated from the amplitude-dependent internal friction decreases. (C) 2012 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.

引用

页码：686 / 689

页数：4

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