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Online ISSN : 1884-0329
Print ISSN : 1880-9928
ISSN-L : 1880-9928
FATIGUE CRACK PROPAGATION RATE AND FATIGUE STRENGTH OF FCA STEEL
Takeshi TOKURIKITakeshi MORINoboru KONDAMasaru NISHIO
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2011 Volume 18 Issue 69 Pages 69_9-69_16

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Abstract

It is well known that fatigue strength and fatigue crack propagation rates of welded joints do not depend on the static strength of steel. FCA (Fatigue Crack Arresting) steel has been newly developed as steel with high resistance against fatigue crack propagation. Its high fatigue resistance has already been confirmed by fatigue crack propagation tests on the steel plates and fatigue tests on structural models simulating ship's shell structures. In this study, fatigue crack propagation rates and fatigue strength of FCA steel are examined using steel plate with TIG-dressing which induces tensile residual stresses and those results are compared with ones of conventional steel.

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© 2011 Japanese Society of Steel Construction
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