炭素鋼の疲労強度に及ぼす引張りおよび圧縮塑性加工の影響

概要

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The phenomenon of fatigue strength being increased by preliminary working has often been the subject of studies, and the increase of fatigue strength due to plastic deformation is thought to be a consequence of residual stress and micro structural change caused by plastic deformation, so that the fundamental relation between fatigue strength and residual stress or micro structural change is to be studied. In this paper, the effect of preliminary working on the fatigue strength of S45C steel is studied from the influences of residual stress and micro structural change caused by tensile and compres-sive deformations. As the result of the study, it is found that micro structural change is considered to be more responsible than residual stress for the increase of fatigue strength.
社団法人日本材料学会の論文
1970-12-15