牛骨の疲労寿命と応力繰返し速度関係に及ぼす応力比の影響

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rights: 本文データは社団法人日本機械学会の許諾に基づきCiNiiから複製したものであるCompletely reversed push-pull, tensile and compressive fatigue tests were performed on bovine bone under various stress frequencies to investigate an effect of stress ratio, R on a relationship between fatigue lives N_f and stress frequencies, f. Fatigue lives N_f under a constant stress amplitude in the reversed push-pull fatigue tests showed an independence of stress frequencies employed. On the other hand, fatigue lives in the tensile and compressive fatigue tests increased with an increase of stress frequency. So, it was clarified that the N_f vs. f relation of bovine bone was strongly affected by stress ratio. A viscoelastic feature of wet bone and a cyclic deformation behavior of bone specimen during a fatigue process are major factors which are concened with the above effect of stress ratio in the N_f-f relation.
一般社団法人日本機械学会の論文
1998-03-25