Mesoscale modelling of selective laser melting: Thermal fluid dynamics and microstructural evolution
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- 作者：Chinnapat Panwisawasa ; c.panwisawas@bham.ac.uk" class="auth_mail" title="E-mail the corresponding author ; Chunlei Qiua ; b ; Magnus J. Andersona ; Yogesh Sovania ; Richard P. Turnera ; Moataz M. Attallaha ; Jeffery W. Brooksa ; Hector C. Basoaltoa ; h.basoalto@bham.ac.uk" class="auth_mail" title="E-mail the corresponding author
- 关键词：Multi-scale materials modelling ; Selective laser melting ; Thermal fluid dynamics ; Microstructure prediction ; Ti-6Al-4V
- 刊名：Computational Materials Science
- 出版年：2017
- 出版时间：January 2017
- 年：2017
- 卷：126
- 期：Complete
- 页码：479-490
- 全文大小：4477 K
文摘
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The model can be used for the determination of optimised process parameters.
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Powder particle distribution is important for simulating laser-powder interaction.
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Pores and uneven surface are exacerbated by increased powder layer thickness.
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The use of an argon atmosphere did not affect the single track morphology.
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The predicted microstructure is dependent upon localised solidification conditions.