A Detailed Observation on Successive Stress-Induced Martensite Transformation in CuAlMnZnZr Alloy Polycrystalline Above Af
来源期刊：材料热处理学报2004年第5期
论文作者：GUO Ming-Xing WANG Ming-Pu Tang Wang Li Zhou
关键词：CuAlMnZnZr shape memory alloy; stress-induced martensite; transformation hysteresis;
摘 要：The successive stress-induced martensite morphologies and mechanisms in polycrystalline CuAlMnZnZr samples have been examined. By applying stress to the uniform β1 matrix, two or more orientation plates of M18R martensite are stress-induced in a grain. With further increasing stress, one orientation plate depletes the other and coalesces into a single region in some view field. The mechanisms by which these are developed have been ascertained, and include variant-variant coalescence, stress-induced martensite to martensite transformation and the complicated cross-like stress-induced martensite formation.
GUO Ming-Xing1，WANG Ming-Pu1，Tang Wang1，Li Zhou1
(1.School of Materials Science and Engineering, Central South University, Changsha, P.R. China)
摘要:The successive stress-induced martensite morphologies and mechanisms in polycrystalline CuAlMnZnZr samples have been examined. By applying stress to the uniform β1 matrix, two or more orientation plates of M18R martensite are stress-induced in a grain. With further increasing stress, one orientation plate depletes the other and coalesces into a single region in some view field. The mechanisms by which these are developed have been ascertained, and include variant-variant coalescence, stress-induced martensite to martensite transformation and the complicated cross-like stress-induced martensite formation.
关键词:CuAlMnZnZr shape memory alloy; stress-induced martensite; transformation hysteresis;
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