Local Residual Stress near Fatigue Crack Tip

Shuji TAIRA, Keisuke Tanaka

Transactions of the Iron and Steel Institute of Japan · 1979 · 35 citations · 0 references

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Abstract

The LocaL stress lIear the tips oj Ja tigue cracks was measured with a new method oj X-ray stress measuremellt utiLiz illg the X-ray microbeam diffra ctioll technique. The method can be regarded as an improlJed sillgLe illcidellt allgLe method alld uses illformation all L attice s train aLollg the w hoLe D ebye rillg ill order to determill e the stress vaLue. The accuracy oj the stress vaLue measured by this method was Joulld to be lIeari)' the same as that oj Si1l 2 <jJ method.