加硫ゴムの引裂抵抗を支配する応力集中因子

DOI Web Site 被引用文献1件

書誌事項

タイトル別名
  • RUPTURE CHARACTERISTICS OF RUBBER-LIKE POLYMERS
  • カリュウゴム ノ ヒキサキ テイコウ オ シハイ スル オウリョク シュウチュウ インシ
  • PART II. STRESS CONCENTRATION FACTOR IN TEARING OF VULCANIZED RUBBERS
  • ゴム状ポリマーの破断特性の研究 (第2報)

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抄録

At the tip of a cut in a thin rubber film being deformed at a constant rate of extension, we may reasonably assume that the type of deformation is essentially one of simple extension and the rate of strain there is kγ times larger than that of the rest in the sample.<BR>Assuming that the value of kγ is little affected by the magnitude of strain, it is shown that the value of kγ can be estimated by combining the experimental data obtained for the films with and without a cut at various rates of elongation.<BR>The coefficient, kγ thus estimated, appears generally to increase linearly with the cut length, C in the form, kγ-1= mγc<BR>Here the constant, mγ, is the stress concentration factor which is independent of the shape and size of the sample. This factor, mγ, is found to be drastically reduced by the addition of suitable amount of active carbon black fillers. It is also found that mγ depends on temperature in a manner characteristic of each material quality.

収録刊行物

  • 日本ゴム協会誌

    日本ゴム協会誌 41 (2), 116-122, 1968

    一般社団法人 日本ゴム協会

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