Martensitic transformation and microstructure of dual-phase Ti₄₄Ni₄₇Nb₉ shape memory alloy after high-velocity impact

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• 作者：Yingying Zhu ; Haizhen Wang ; Zhiyong Gao ; ^{sma@hit.edu.cn} ; Wei Cai
• 关键词：Ti44Ni47Nb9 alloy ; High-velocity impact ; Martensitic phase transformation ; Microstructure ; Mechanical properties
• 刊名：Materials Characterization
• 出版年：2016
• 出版时间：December 2016
• 年：2016
• 卷：122
• 期：Complete
• 页码：162-169
• 全文大小：3312 K
• 卷排序：122

文摘

Ti44Ni47Nb9 alloy was impacted by a GCr15 projectile at 1.0 km·s− 1. The transformation temperature stabilized after three thermal cycles. Amount of dislocation accumulated at phase interface between β-Nb and matrix. The deformation mechanism of Ti44Ni47Nb9 alloy under impact was studied.