高速ランダム荷重疲労試験システムの試作と評価

書誌事項

タイトル別名
  • Development and evaluation of high-speed random load fatigue testing system.
  • コウソク ランダム カジュウ ヒロウ シケン システム ノ シサク ト ヒョウ

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抄録

A random load fatigue testing system, equipped with a computer to control any frequency distribution of random wave, was newly developed. This controlling system mainly consisted of three parts: a random wave generator based on the matrix method, a rain-flow counting system and an error matrix creator for a digital gain control.<br>Fatigue tests were carried out under the Gaussian type block- and random-loading waves, to evaluate the control capability and performance of the newly developed system. It was found that the controlling system acts well and the fatigue life under random loading is shorter by half than that under block loading having the same frequency distribution of the loads.

収録刊行物

  • 材料

    材料 36 (409), 1139-1144, 1987

    公益社団法人 日本材料学会

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