炭素鋼の歪時効硬化に附随する諸現象について

抄録

A slight application of secondary working differing in type from the primary causes a considerable hardening, say secondary work hardening, probably indicating that the strain age-hardening is brought about not only by low temperature annealing but by mechanical treatment, and that it is due to the destruction of such a deformation structure that exhibit a marked anisotropy in anelastic effect. The destruction may be induced by internal stress, thermal diffusion and cold working. Here, the deformation structure is inferred to be such that the cementite particles and the vacancy aggregates therein present an anisotropic arrangement and shape depending on the working condition, and the dislocation loops created around them show a back stress.