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Metals 2015, 5(4), 2200-2209; doi:10.3390/met5042200

Effect of Ceramic Content on the Compression Properties of TiB2-Ti2AlC/TiAl Composites

1
Key Laboratory of Automobile Materials (Ministry of Education), Department of Materials Science and Engineering, Jilin University, Changchun 130025, China
2
State Key Laboratory of Luminescence and Applications, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130012, China
3
Department of Mechanical Engineering, Oakland University, Rochester, MI 48309, USA
*
Authors to whom correspondence should be addressed.
Academic Editor: Ana Sofia Ramos
Received: 29 September 2015 / Revised: 1 November 2015 / Accepted: 6 November 2015 / Published: 25 November 2015
(This article belongs to the Special Issue Intermetallics 2016)
View Full-Text   |   Download PDF [737 KB, uploaded 25 November 2015]   |  

Abstract

In situ synthesized TiB2-reinforced TiAl composites usually possess high strength. However, it is very expensive to use B powder to synthesize TiB2 particles. Moreover, the strength enhancement of TiB2/TiAl composite is generally at the cost of plasticity. In this study, in situ dual reinforcement TiB2-Ti2AlC/TiAl composites were fabricated by using B4C powder as the B and C source, which greatly reduces the potential production cost. The 6 vol. % TiB2-Ti2AlC/TiAl composite fabricated by using the Ti-Al-B4C system shows greatly improved compressive properties, i.e., 316 MPa and 234 MPa higher than those of TiAl alloy and with no sacrifice in plasticity. View Full-Text
Keywords: TiAl; intermetallics; composite; compression properties TiAl; intermetallics; composite; compression properties
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Shu, S.; Tong, C.; Qiu, F.; Jiang, Q. Effect of Ceramic Content on the Compression Properties of TiB2-Ti2AlC/TiAl Composites. Metals 2015, 5, 2200-2209.

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