銅合金固溶体の焼鈍硬化に附随する諸現象について

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タイトル別名
  • On Some Phenomena Related with Anneal Hardening of α Solid Solution of Copper Alloys. (On Anneal Hardening of Several Copper Alloys (5th Report))
  • ドウ ゴウキン コヨウタイ ノ ショウドン コウカ ニ フズイ スル ショ ゲンショウ ニ ツイテ
  • On Some Phenomena Related with Anneal Hardening of α Solid Solution of Copper Alloys. (On Anneal Hardening of Several Copper Alloys (5th Report))

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When a heavily drawn specimen of α-brass is cold-rolled, it undergoes first a hardening and then a softening with the progress of rolling. This hardening will be called “secondary work hardening”. It is obtained by slight application of a secondary working differing in type from the primary, and in addition, it is marked only in such alloys as exhibiting conspicuous anneal-hardening. It may be inferred that anneal hardening and secondary work-hardening are induced by nearly the same cause, that is, both hardenings are similar phenomena due to destruction of the as-primary-deformation structure. They are dissimilar only in that in the former, the destruction is caused by internal stress and thermal diffusion, while in the latter, it is by forced deformation. The deformation structure above mentioned may be interpreted by assuming that the structure is marked in anisotropy in anelastic effect, and the effect is chiefly induced by the back stress due to the internal stress of vacancies which show anisotropic arrangement and shape depending on working condition. With the progress of different-type secondary working, the destroyed structure transforms gradually to the structure specific to the secondary working, causing softening.

収録刊行物

  • 日本金属学会誌

    日本金属学会誌 23 (4), 236-239, 1959

    公益社団法人 日本金属学会

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