Departmental Bulletin Paper 板材の面外曲げ疲労強度に及ぼす曲げ加工の影響
EFFECT OF BENDING-WORK ON FATIGUE STRENGTH OF PLATE UNDER OUT-OF-PLANE BENDING

大川, 輝  ,  OHKAWA, Hikaru

(56) 2015-03-24 , 法政大学大学院理工学・工学研究科
ISSN:2187-9923
NCID:AA12677220
Description
Fatigue test were performed on 90°V-shape bending-worked cold rolled carbon steel sheet under fully-reversed out-of-plane bending to investigate the effect of bending-work on fatigue strength of plate. For annealed specimens after bending-work, the fatigue strength is influenced only by elastic-plastic stress concentration at critical location. Fatigue life of bending-worked specimens without annealing can be evaluated taking the effect of stress concentration and work-hardening into consideration.
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http://repo.lib.hosei.ac.jp/bitstream/10114/10326/1/13r1105.pdf

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