Residual stress relaxation of deep-rolled Al-Mg-Si-Cu alloy during cyclic loading at elevated temperatures

被引：70

作者：

Juijerm, P. ^{[1
]}

Altenberger, I. ^{[1
]}

机构：

[1] Univ Kassel, Inst Mat Engn, D-34125 Kassel, Germany

来源：

SCRIPTA MATERIALIA | 2006年 / 55卷 / 12期

关键词：

residual stress relaxation; high-temperature fatigue; deep-rolling; Al-Mg-Si-Cu aluminium alloy;

D O I：

10.1016/j.scriptamat.2006.08.047

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Near-surface macroscopic compressive residual stresses in a deep-rolled aluminium alloy AA61 10-T6 (Al-Mg-Si-Cu) were measured during cyclic loading at elevated temperatures as a function of loading cycle. Thermal residual stress relaxation was investigated and analyzed by applying the Zener-Wert-Avrami function. The effects of stress amplitude as well as temperature on residual stress relaxation during stress-controlled cyclic loading at elevated temperatures were systematically investigated and analyzed using separate assessment of mechanical and thermal residual stress relaxation. (c) 2006 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.

引用

页码：1111 / 1114

页数：4

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