ゴムの可塑度及びその不均一度の迅速，高分解度測定に関する研究　ＩＩ　　定速針入方法による充てん系ゴムの可塑度の評価

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タイトル別名
  • EVALUATION OF THE PLASTICITY OF FILLED RUBBER MATERIALS BY A PENETRATION METHOD
  • テイソクシン ニュウホウホウ ニヨル ジュウテンケイ ゴム ノ カソド ノ ヒ

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説明

In this study, the applicability of the PW method to filled rubber materials were examined.<br>A plot of PW value vs. Mooney viscosity shows a good straight line in analogy with that of unfilled rubber materials.<br>Similarly, the PW values are influenced by the penetrating rates. They are highly resolved at lower penetrating rate and even the slightest difference in platicity can be recognized. This is associated with the stress relaxation behavior of the materials strained by the needle surface.<br>Plots of log PW for unfilled materials and 1/PW for filled one vs. temperature give straight lines. These dependences of PW value on temperature are useful for the reduction of PW values from temperatures.

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