Reducing lack of fusion during selective laser melting of CoCrMo alloy: Effect of laser power on geometrical features of tracks
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- 作者：K. Darvish ; Z.W. Chen ; zhan.chen@aut.ac.nz" class="auth_mail" title="E-mail the corresponding author ; T. Pasang
- 关键词：Biomedical alloy ; Defect ; Powders ; Stability ; Spatters
- 刊名：Materials & Design
- 出版年：2016
- 出版时间：15 December 2016
- 年：2016
- 卷：112
- 期：Complete
- 页码：357-366
- 全文大小：2132 K
文摘
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How geometrical features of tracks are affected by laser power and affect lack of fusion (LOF) have been revealed.
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There is a small range of power within which increasing power rapidly reduces the amount of the normal LOF to a low value.
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Above the referred power range, a low amount of LOF remains, due to the presence of a spatter related and large LOF defect.
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Deeper penetration using high power aids the reduction of the spatter related LOF.