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Article
Publication date: 5 March 2010

Yasuaki Hashikura, Koji Takahashi, Yuji Miyazaki, Keiji Houjou and Kotoji Ando

The purpose of this paper is to study the effects of overload on the threshold stress intensity factor range (ΔKth) in SUS316.

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Abstract

Purpose

The purpose of this paper is to study the effects of overload on the threshold stress intensity factor range (ΔKth) in SUS316.

Design/methodology/approach

The fatigue tests are carried out to determine the resultant threshold stress intensity factor range (ΔKth). The mechanism of the improvement of ΔKth by the tensile overloading is analyzed using the Dugdale model.

Findings

It is clarified that the value of ΔKth increases as increasing the overloading.

Research limitations/implications

The apparent value of ΔKth of stainless steel can be improved by a tensile overload, the fatigue strength of structural members that have a surface crack can be increased by a tensile overload.

Originality/value

As a result, the reliability and safety of structures, such as energy plants, can also be improved.

Details

International Journal of Structural Integrity, vol. 1 no. 1
Type: Research Article
ISSN: 1757-9864

Keywords

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Article
Publication date: 30 August 2011

M.M.I. Hammouda

246

Abstract

Details

International Journal of Structural Integrity, vol. 2 no. 3
Type: Research Article
ISSN: 1757-9864

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