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Inverted multi-material laser sintering

delete2020-12-01
delete11
PRE
AI
W
Whitehead, John *
H
Hod Lipson
DOI:10.1016/j.addma.2020.101440delete
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摘要

摘要

En 中文
We present an additive manufacturing process that uses an upward-directed laser to fuse a monolayer of powder onto a substrate through a clear surface. The process is then repeated to build a hanging part layer by layer, by replenishing powder on the glass, or moving to a second plate with a different powder. Our process eliminates the need for a large powder bed as well as allows the sintering of different powders in a single layer. We demonstrate this method by using a 445 nm laser to fabricate a multi-material pattern of Nylon-12 and TPU. We characterize the mechanical properties of the fabricated composite and discuss advantages and disadvantages of this approach.
Keyword:
Additive manufacturing
Selective laser sintering
Inverted printing
Multi-material
Powder bed fusion
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期刊

Additive Manufacturing 封面图
Additive Manufacturing
IF:
11.1
论文数:
4.6K
被引数:
4.9W

机构

C
Columbia University
学者数:
7.1W
论文数: 6.4W
被引数: 263
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