Effect of Cold Working and Ring Indentation on Fatigue Life of Aluminum Alloy Specimens

被引：5

作者：

Marannano, G. ^{[1
]}

Mariotti, G. Virzi ^{[1
]}

D'Acquisto, L. ^{[1
]}

Restivo, G. ^{[2
]}

Gianaris, N. ^{[2
]}

机构：

[1] Univ Palermo, Dipartimento Ingn Chim Gest Informat & Meccan, I-90128 Palermo, Italy

[2] Michigan State Univ, Composite Vehicle Res Ctr, Lansing, MI USA

来源：

EXPERIMENTAL TECHNIQUES | 2015年 / 39卷 / 03期

关键词：

Fatigue; Cold Working; Cold Expansion of Holes; Ring Indentation; Wohler Diagram; RESIDUAL-STRESS; FASTENER HOLES; EXPANSION; GROWTH;

D O I：

10.1111/ext.12018

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

The article deals with the fatigue life of plates with hole made of aluminum alloy. Specifically, the combined effect of cold working expansion and ring indentation on improved fatigue life performance was investigated. Multiple fatigue tests were performed to determine the cycles to failure and the corresponding Wohler diagram. Experimental results were compared with those of nontreated specimens. The conclusion was that cold working expansion and indentation create a delay on crack formation and fatigue failure.

引用

页码：19 / 27

页数：9

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