炭酸カルシウム配合加硫ＳＢＲの荷重伸張曲線

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タイトル別名
  • On the Stress-Strain Relationships of the Calcium Carbonate Filled Vulcanized SBR
  • タンサン カルシウム ハイゴウ カリュウ SBR ノ カジュウ シンチョウ キ

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Stress-strain relationships during the extension of unfilled and calcium carbonate-filled SBR were measured with a Tensilon Instrument at a fixed temperature. The results were analysed by the theories of rubber elasticity, Mooney-Rivlin and Furukawa, and the parameters involved in these theories were numerically examined. Although the tensile stress of the filled SBR at a fixed strain appeared to be slightly higher than that of the unfilled SBR, the number of the molecular chains per unit volume of the filled samples calculated according to the theory of rubber elasticity were less than those of the unfilled samples. Stress relaxation and dynamic modulus were also measured on these unfilled and filled samples. The relaxation spectra were calculated by employing several approximation methods. Stress-strain relationships during the extension were calculated according to the BKZ theory. The time dependent potential energy functions in the theory were replaced by the relaxation spectra. The computed stress-strain relationships were close to the observed ones. This method seemed to be applicable to predict the stress-strain behavior at different rate of extension.

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  • 高分子論文集

    高分子論文集 36 (9), 589-595, 1979

    公益社団法人 高分子学会

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