ゴムのせん断弾性係数とその測り方

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書誌事項

タイトル別名
  • THE SHEAR MODULUS OF RUBBER AND ITS MEASUREMENT (III)
  • ゴム ノ センダン ダンセイ ケイスウ ト ソノ ハカリ カタ

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抄録

The authors have produced for trial a tester with which shear modulus G, one of the important characteristics of rubber, could be measured in conformity with the strict theory of elasticity.<br>If we call the value of shear modulus, measured with this tester, as GSS, it has almost one-to-one correspondence to spring hardness Hs, Comparing Gss with Gs, shear modulus calculated from tensile stress at small extension, the former is a little larger than the latter when a specimen is soft. But the harder a testpiece is, the larger the difference of two values. The relation between Yerzley′s dynamic modulus Edvn and Gss is almost linear except in a case of soft rubber. The ratio of dynamic modulus G1, obtained by resonance method, to Gss is 1.06-1.10.<br>Also it is investigated by the new tester how the value of Gss varies when the measurement is done with piled up specimen.

収録刊行物

  • 日本ゴム協会誌

    日本ゴム協会誌 36 (5), 455-458, 1963

    一般社団法人 日本ゴム協会

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