Parameter optimization for Ti-47Al-2Cr-2Nb in selective laser melting based on geometric characteristics of single scan tracks

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• 作者：Xuezhi Shi ; Shuyuan Ma ; Changmeng Liu ; ^{liuchangmeng@bit.edu.cn} ; Qianru Wu
• 关键词：Selective laser melting ; Laser track geometry ; Linear regression analysis ; Ti-47Al-2Cr-2Nb ; Density ; Composition
• 刊名：Optics & Laser Technology
• 出版年：2017
• 出版时间：1 May 2017
• 年：2017
• 卷：90
• 期：Complete
• 页码：71-79
• 全文大小：1346 K
• 卷排序：90

文摘

A rapid method for optimization of parameters is developed. The regression models are established to predict the geometrical characteristics. The loss and uneven distribution of Al are found. The evaporation of Al and the cracking cannot be completely eliminated.