Study on Crack Growth Behaviors in Impact Fatigue : Part II, Crack Clusure Behavior under Simple Impact Load
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概要
- 論文の詳細を見る
Fatigue crack growth behaviors were investigated under a simple impact stress pattern by using center-notched 0.1%C aluminum killed carbon steel plate specimens, and results obtained were discussed in comparison with those obtained under non impact fatigue. At first, the fact that the crack growth rate in impact fatigue was higher than that in non impact fatigue and that there was a stress range dependence of impact fatigue crack growth rate demonstrated in the previous study done under somewhat complex impact stress pattern confirmed also in this study. Furthermore, the stress range dependence as mentioned above for impact fatigue was explained reasonably from the viewpoint of crack closure behavior, and crack tip plastic zone characteristics under impact fatigue loading were discussed tentatively based on the variation trend of effective stress range, U, or crack opening stress intensity factor, K_<op>, during crack growth process.
- 一般社団法人日本機械学会の論文
著者
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Shikida Masahiro
Faculty Of Engineering Osaka Industrial University
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NAKAYAMA Hideaki
Faculty of Engineering, Yamanashi University
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TANAKA Tsuneshichi
Faculty of Engineering, Ritsumeikan University
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Nakayama Hideaki
Faculty Of Junior College Of Automobile Industry Osaka Industrial University
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Kanayama Yukio
Faculty of Engineering, Osaka Sangyo University
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Tanaka Tsuneshichi
Faculty Of Science And Engineering Ritsumeikan University
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Kanayama Yukio
Faculty Of Engineering Osaka Industrial University
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Nakayama Hideaki
Faculty Of Engineering Yamanashi University
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Nakayama Hideaki
Faculty of Junior College of Automobile Industry, Osaka Industrial University
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