タングステン繊維を含むアルミニウムの高温強度について

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タイトル別名
  • On the Strength of Tungsten-Fiber-Reinforced Aluminum Composites at High Temperatures
  • タングステン センイ オ フクム アルミニウム ノ コウオン キョウド ニ ツイテ

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抄録

In the present study, tensile and creep tests were carried out on aluminum composites containing continuous or discontinuous tungsten fiber at high temperatures up to 545°C. The specimens containing continuous tungsten fiber (10 vol% and 20 vol%) showed very large values of tensile strength at 300°C and 500°C, however the specific strengthening effect of the discontinuous-tungsten-fiber-reinforced aluminum composites were considerably smaller than that of the fiber itself.<BR>The minimum creep rate of the composite containing 20 vol% continuous tungsten fiber was estimated at about 10−4∼10−5%/hr under a load of 6.06 kg/mm2 at 350°C, and the minimum creep rate-temperature curves on the discontinuous fiber were determined under a load of 1.43∼3.05 kg/mm2. By these results, for example, the minimum creep rate for the matrix was 6.0×10−2%/hr under a load of 2.00 kg/mm2 at 350°C, however the minimum creep rate for the composite containing 15 vol% discontinuous tungsten fiber (diameter=25 μ) was 1.4×10−3%/hr under the same condition.

収録刊行物

  • 日本金属学会誌

    日本金属学会誌 31 (5), 607-610, 1967

    公益社団法人 日本金属学会

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