2316 微小切欠きを付与した伸線強加工高強度鋼の疲労強度特性に及ぼす非拡散性水素の影響(S07-3 疲労強度,S07 構造材料の疲労強度とき裂進展問題)

概要

論文の詳細を見る
Fatigue tests have been conducted to investigate the influence of non-diffusive hydrogen on the fatigue crack initiation and propagation for a cold drawn eutectoid steel specimen having an artificial small notch machined by Focused Ion Beam (FIB). In the case of smooth samples where the fatigue crack was initiated at internal inclusion, non-diffusive hydrogen caused a decrease in fatigue strength. However, for the notched samples where the crack was initiated at a notch, non-diffusive hydrogen had no influence on the fatigue strength, and this result was different from smooth samples where the fatigue crack was initiated at internal inclusion.
社団法人日本機械学会の論文
2007-09-07