炭素繊維複合材の軸荷重Ｓ‐Ｗデータに対する統計的解析

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  • Statistical analysis of S-N data of carbon/epoxy composites obtained by axial-load fatigue tests.
  • タンソ センイ フクゴウザイ ノ ジク カジュウ S N データ ニ タイスル

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抄録

Fifteen sets of S-N data of carbon/epoxy composites obtained by axial-load fatigue tests were collected from published papers and statistically analyzed. For simplicity of the analysis, the analyzing range of S-N observations in a set of S-N data was limited and the form of S-N curve and the distribution of fatigue life were assumed realistically. Fatigue life scatter and fatigue strength scatter were derived from the deviations of S-N observations from the S-N curve of which equation was determined by the least-squares method. It was found that the amount of fatigue strength scatter is practically constant regardless of S-N data obtained at different laboratories and the amount of fatigue life scatter is dependent of the slope of the S-N curve.

収録刊行物

  • 材料

    材料 36 (405), 590-596, 1987

    公益社団法人 日本材料学会

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