亜鉛多結晶体の衝撃引張試験

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書誌事項

タイトル別名
  • The Impact Tensile Test of Polycrystalline Zinc (Behaviour of Metals under Dynamic Loading, 4th Report)
  • アエン タケッショウタイ ノ ショウゲキ ヒッパリ シケン

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抄録

The tensile properties of polycrystalline zinc specimens under dynamic loading were investigated, comparing them with those obtained under static loading. The strain rate in dynamic tensile test was changed from 2.00×103%/sec to 1.10×104%/sec, while in static test it was 3.3×10−1%/sec. Of the specimens with smaller grains, the tensile strength in dynamic test was twice as large as that in static test and the elongation decreased to half. The larger the grain size of the specimen was, the smaller became the difference of these properties at dynamic and at static tests. A slight increase in the strain rate at dynamic test resulted resulted in an increase of the tensile strength and a decrease of the elongation. When the specimens were pre-elongated about 15% or more before dynamic tests, they showed the same total elongation as in static tests.

収録刊行物

  • 日本金属学会誌

    日本金属学会誌 23 (9), 549-552, 1959

    公益社団法人 日本金属学会

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