Effect of laser scanning speed on a Ti-45Al-2Cr-5Nb alloy processed by selective laser melting: Microstructure, phase and mechanical properties
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- 作者：Wei Li ; Jie Liu ; Yan Zhou ; Shuai Li ; Shifeng Wen ; Qingsong Wei ; wqs_xn@hust.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Chunze Yan ; c_yan@hust.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Yusheng Shi
- 关键词：Selective laser melting ; Ti-45Al-2Cr-5Nb alloy ; Orientation ; Phase ; Nanohardness
- 刊名：Journal of Alloys and Compounds
- 出版年：2016
- 出版时间：15 December 2016
- 年：2016
- 卷：688
- 期：part_PB
- 页码：626-636
- 全文大小：4556 K
文摘
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The grains size decrease with increasing the laser scanning speed.
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α2 Phase decreases while γ and B2 increase when increasing the laser scanning speed.
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The orientation relationship between α2, γ, B2 phases is determined by HRTEM.
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SLM-processed TiAl shows the superior nanohardness.