切欠効果に関する研究 : 第4報帯状突起の影響について

概要

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Sometimes shafts and axles have a collar for the purpose of attaching ball bearings and etc. Then the fatigue resistance of the shafts or axles are lowered by the collar, that is a ring form projection. In this report we have discussed on the notch effect of width and height of a collar from our experimental data. Experiments, that is, repeated bending tests and repeated torsional tests, have been made on specimens of 0.34% carbom steel with the collars of various width and height. As the chief results of this research, we have expressed the effect of width of a collar with a coefficient ξι, the value of which is independent of the height of it. Similarly the effect of height of a collar can be also expressed with a coefficient ξ_D, the value of which is independent of the width of it.
社団法人日本機械学会の論文
1951-11-20