本文以马氏体相变晶体学表象理论讨论了Cu-26Zn-4Al形状记忆合金马氏体相变的晶体学性质,采用B_2(CsCl)结构→非规则9R单斜晶胞的应变矩阵,用计算机求得该合金马氏体相变的晶体学结果。该合金马氏体惯析面为(1,7.71,9.32),与实验测得的惯析面(1,7,8)相差1.6°,两者吻合较好。
A study on the crystallography of martensitic transformation in a Cu-26Zn-4Al alloy by means of the phenomenological crystallographic theory is presented. The habit plane of the martensite calculated by computer from W-L-R theory is found to be (17.71,9.32), through the model of B_2→modified 9R monoclinic structure, which is consistent with that of the experimental result (1,7,8) quite well.
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