粒間ひずみ硬化を考慮した金属の応力-ひずみ関係式

概要

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A unified description of the tensile flow curve of metals has been presented by assigning a new role to the internal structure variable which is a fundamental variable in the random barrier theory. This description comprising intergranular hardening has provided satisfactory agreement with each experimental curve for stainless steel, nickel-chrome steel, brass and aluminum alloy with a wide range of strain. The various strain hardening behaviors can be systematically expressed with this formula by introducing the variations of the internal structure variable depending on the deformations.
1990-12-25