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A computational study on the three-dimensional printability of precipitate-strengthened nickel-based superalloys

Abstract:

This paper presents a computational framework to study the differences in process-induced microvoid and precipitate distributions during selective laser melting (SLM) of two nickel-based superalloys representative of low (IN718) and high (CM247LC) volume fraction precipitate-strengthened alloys. Simulations indicate that CM247LC has a higher propensity to form process-induced microvoids than IN718. Particle sintering is predicted to be strongly influenced by the powder size distribution. For ...

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Publication status:
Published
Peer review status:
Peer reviewed

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Files:
Publisher copy:
10.1098/rspa.2018.0295

Authors


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Role:
Author
ORCID:
0000-0002-2102-914X
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Institution:
University of Oxford
Division:
MPLS Division
Department:
Materials
Department:
Unknown
Role:
Author
ORCID:
0000-0003-2141-5865
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Publisher:
Royal Society Publisher's website
Journal:
Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences Journal website
Volume:
474
Issue:
2220
Article number:
20180295
Publication date:
2018-12-19
Acceptance date:
2018-11-16
DOI:
EISSN:
1471-2946
ISSN:
1364-5021
Source identifiers:
958157
Language:
English
Keywords:
Pubs id:
pubs:958157
UUID:
uuid:6d399a89-7a0f-45f4-9112-a0349250339a
Local pid:
pubs:958157
Deposit date:
2019-01-09

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