ゴム状物質の大変形の一つの解析法

概要

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A stress-strain relation, f={G-B(1-1/α)+C(α^2-1)}(α-1/α^2), was used to analyse the large deformation behavior of styrene-butadiene rubber (SBR) with various concentrations of oil ranging from 0 to 40 PHR. In the above relation, f denotes nominal stress at extension ratioα, G corresponds to rigidity, B and C are coefficients. The theoretical character of this relation will be discussed in another paper by one of the authors. The present results can be summarized as follows ; The value of G is proportional to the crossling density ν_e, but larger than those calculated from ν_ekT. The value of B is almost unaffected by ν_e and shows almost same tendencies as G against oil concentration v_1 and strain rate ε^^・. The value of C is about 1/100 of those of G and B, and had the maximum against ν_e andε^^・
社団法人日本材料学会の論文
1973-05-15