α+β黄銅板の彈性異方性について

概要

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The elastic anisotropy of α+β, α and β brass cold rolled and annealed are measured. (1) Elastic anisotropy of cold rolled α+β brass does not depend on the β phase but the α phase. Because, when the α phase is cold rolled the preferred orientation is formed gradually, but the β phase cannot form the preferred orientation and breaks down at the cold rolling degree of 30% or more. (2) When cold rolled α+β brass is annealed at 200℃, Young's Modulus increases in each direction and this is caused by its phase. (3) Elastic anisotropy of recrystalized α+β brass strip (annealed at 400℃) decreases and the value of Young's Modulus in each direction becomes the mean value of Young's Modulus of α and β brass strip. (4) The curve of the Young's Modulus calculated from the pole figure of β brass strip is very similar to the observed curve, but about α brass the both curves are different. Because the pole figure of β brass shows clear preferred orientation, while the pole figure of α brass is not so clear as the former. (Received January 28, 1952)
宇宙航空研究開発機構の論文
1952-02-28