Fatigue Strength of Double Notched Specimens

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  • 767 二重切欠きを有する部材の疲労強度に関する研究

Abstract

Fatigue properties of double notched specimens have been eraluated using Ono-type rotating bending fatigue testing machine. In this test, the double notch is consisted of the combination of V notch and a drill hole. The fatigue limit of the single-notched specimen with a V notch and that with a drill hole is estimated using the fatigue notch factor K proposed by JSME. According to the result of this study, the fatigue limit of a double-notched specimen could be practically estimated by applying the product of fatigue notch factor for each relative single notch. The detailed analysis by from now on, limited element law is necessary and need to examine and to compare with the experiment result.

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