期刊
ADDITIVE MANUFACTURING
卷 16, 期 -, 页码 177-185出版社
ELSEVIER
DOI: 10.1016/j.addma.2017.06.007
关键词
Powder bed fusion; Selective laser melting; In-situ measurements; Density measurements; Powder consolidation measurements
资金
- Engineering and Physical Sciences Research Council [EP/I033335/2, EP/K030884/1]
- EPSRC [EP/I033335/2, EP/K030884/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/I033335/2, EP/K030884/1] Funding Source: researchfish
We report the design of a metal powder bed fusion system for in-situ monitoring of the build process during additive manufacture. Its open-architecture design was originally determined to enable access for x-rays to the melt pool, but it also provides access to the build area for a range of other in-situ measurement techniques. The system is sufficiently automated to enable single tracks and high-density, multiple layer components to be built. It is easily transportable to enable measurements at different measurement facilities and its modular design enables straightforward modification for the specific measurements being made. We demonstrate that the system produces components with >99% density. Hence the build conditions are representative to observe process fundamentals and to develop process control strategies. (C) 2017 The Authors. Published by Elsevier B.V.
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