衝撃荷重下におけるアルミニウム-マグネシウム合金の引張強さ，伸び，変形抵抗について

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タイトル別名
  • Tensile Strength, Elongation and Flow Stress of Aluminum-Magnesium Alloys under Dynamic Loading
  • ショウゲキ カジュウ カ ニ オケル アルミニウム-マグネシウム ゴウキン ノ ヒッパリ ツヨサ , ノビ , ヘンケイ テイコウ ニ ツイテ

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抄録

The dynamic tensile tests with strain rate 37/sec was performed at −196°C to 130°C for aluminum-magnesium alloys (0.93, 1.82 and 3.67%Mg) with the use of the apparatus of drop hammer type which was described in a previous paper. The results obtained were as follows:<BR>(1) The dynamic test resulted in a larger tensile strength than the static test, and the lower testing temperature increased the difference in tensile strength by the dynamic and static tests.<BR>(2) In the dynamic test the elongation seemed to increase with temperature, while the static test showed the minimum elongation around room temperature.<BR>(3) The dynamic test gave a larger flow stress than the static test and it was concluded that the larger flow stress observed in the dynamic test was due to the strain rate dependence of flow stress and the change of the internal structure of the specimen in the dynamic test which was different from that obtained by the static test.

収録刊行物

  • 日本金属学会誌

    日本金属学会誌 28 (8), 439-442, 1964

    公益社団法人 日本金属学会

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