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Selective Laser Melting process optimization of Ti–Mo–TiC metal matrix composites

Selective Laser Melting process optimization of Ti–Mo–TiC metal matrix composites
Selective Laser Melting process optimization of Ti–Mo–TiC metal matrix composites
Selective Laser Melting (SLM) was used to process a powder mixture of CP Ti, 6.5 wt% Mo and 3.5 wt% Mo2C. The process parameters were optimized to obtain full-density, crack free parts. After the in situ decomposition of Mo2C in favor of the formation of TiC, the material consisted of a homogeneous dispersion of submicrometer sized TiC platelets in a β-(Ti,Mo) matrix exhibiting a high hardness up to 550 HV and compressive yield stress of 1164 ± 37 MPa. The microstructure and mechanical properties could be tailored by variation of the process parameters within the high-density processing window, as well as through post-process heat treatments.
Selective Laser Melting (SLM), Metal matrix composite, Titanium
0007-8506
221-224
Vrancken, Bey
4c8d1b62-36a7-4d04-b5fc-c1cf33e5ecf1
Dadbakhsh, Sasan
253ad76e-ad8a-4189-b39a-a792314d935d
Mertens, Raya
3f09123a-947a-4c09-a537-5e408a4308d4
Vanmeensel, Kim
275e05a1-05ad-4ab7-b654-f08f8d7dbc07
Vleugels, Jef
9ee0c3ab-8268-4647-a0df-092059a3b54e
Yang, Shoufeng
e0018adf-8123-4a54-b8dd-306c10ca48f1
Kruth, Jean-pierre
da276ce2-fd88-4b4b-9ffa-d19c53f68ead
Vrancken, Bey
4c8d1b62-36a7-4d04-b5fc-c1cf33e5ecf1
Dadbakhsh, Sasan
253ad76e-ad8a-4189-b39a-a792314d935d
Mertens, Raya
3f09123a-947a-4c09-a537-5e408a4308d4
Vanmeensel, Kim
275e05a1-05ad-4ab7-b654-f08f8d7dbc07
Vleugels, Jef
9ee0c3ab-8268-4647-a0df-092059a3b54e
Yang, Shoufeng
e0018adf-8123-4a54-b8dd-306c10ca48f1
Kruth, Jean-pierre
da276ce2-fd88-4b4b-9ffa-d19c53f68ead

Vrancken, Bey, Dadbakhsh, Sasan, Mertens, Raya, Vanmeensel, Kim, Vleugels, Jef, Yang, Shoufeng and Kruth, Jean-pierre (2019) Selective Laser Melting process optimization of Ti–Mo–TiC metal matrix composites. CIRP Annals, 68 (1), 221-224. (doi:10.1016/j.cirp.2019.04.120).

Record type: Article

Abstract

Selective Laser Melting (SLM) was used to process a powder mixture of CP Ti, 6.5 wt% Mo and 3.5 wt% Mo2C. The process parameters were optimized to obtain full-density, crack free parts. After the in situ decomposition of Mo2C in favor of the formation of TiC, the material consisted of a homogeneous dispersion of submicrometer sized TiC platelets in a β-(Ti,Mo) matrix exhibiting a high hardness up to 550 HV and compressive yield stress of 1164 ± 37 MPa. The microstructure and mechanical properties could be tailored by variation of the process parameters within the high-density processing window, as well as through post-process heat treatments.

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More information

Accepted/In Press date: 30 March 2019
e-pub ahead of print date: 30 April 2019
Keywords: Selective Laser Melting (SLM), Metal matrix composite, Titanium

Identifiers

Local EPrints ID: 435635
URI: http://eprints.soton.ac.uk/id/eprint/435635
ISSN: 0007-8506
PURE UUID: f6ce80c6-99f1-4eb1-b919-5269ceb429b9
ORCID for Shoufeng Yang: ORCID iD orcid.org/0000-0002-3888-3211

Catalogue record

Date deposited: 15 Nov 2019 17:30
Last modified: 09 Jan 2022 10:17

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Contributors

Author: Bey Vrancken
Author: Sasan Dadbakhsh
Author: Raya Mertens
Author: Kim Vanmeensel
Author: Jef Vleugels
Author: Shoufeng Yang ORCID iD
Author: Jean-pierre Kruth

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