820 異方性球状介在物中に生ずる瞬間相変態ひずみに伴う応力焦点化現象

概要

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When an isotropic infinite elastic medium with a transversely isotropic spherical inclusion is suddenly subjected to the instanteneous phase transforming strains, stress waves occur at the interface of spherical inclusion the moment transforming impact is applied. The stress wave in a transversely isotropic spherical inclusion proceeds radially inward to the center of the inclusion. The wave may accumulate at the center and cause very large stress magnitudes, even though the initial stresses should be relatively small. This phenomenon is called the stress-focusing effect. This paper analyzes the stress-focusing effects, in an exact manner, in a transversely isotropic spherical inclusion due to the phase transformation.
一般社団法人日本機械学会の論文
2003-08-05