S0304-1-4 統一した数学的表現による引張りおよび曲げ,ねじりの塑性解析([S0304-1]応力・ひずみ測定)

概要

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Ordinarily, the strength of materials is described on the basis of the theory of the linear part of the elastic region. Research regarding unified analysis in the elastic and plastic regions has not been reported. We have reached the point where accurate mechanical characteristics of a material can be measured quantitatively by making use of an intelligent universal test machine that can measure the relationships between stress a and strain e, stress a and time t, and strain e and time t. In this paper, we describe a formula that explains elasticity and plasticity continuously in terms of the strength of materials. The plastic region of tension, bending and torsion is analyzed by performing a variable transform with a mathematically unified expression. Results consistent with existing theories were obtained.
2010-09-04