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Effect of heat treatment process on mechanical properties and microstructure of FeAlCoCrNiTi0.5 alloy

Effect of heat treatment process on mechanical properties and microstructure of FeAlCoCrNiTi0.5 alloy
Effect of heat treatment process on mechanical properties and microstructure of FeAlCoCrNiTi0.5 alloy

In order to study the effects of different sintering processes on the properties of the alloy, including the microstructure, hardness, friction and wear properties of the alloy, the optimum sintering method and process parameters were selected. A series of FeAlCoCrNiTi0.5 high-entropy alloy blocks were prepared by mechanical alloying using inert alloy sintering technology. XRD pattern showed that when the sintering temperature was 1000°C and the holding time was 3h, the phase structure would be a simple body-centered cubic BCC2 phase and a face-centered cubic FCC phase. SEM observation showed that the microstructure is denser, and the grain refinement of the high entropy alloy is remarkably better. The evaluation of hardness, friction and wear properties showed that the high-entropy alloy had the best overall performance.

2158-3226
1-14
Xiao, Maohua
84c4e27b-1f81-4880-a640-6fc43ac10602
Chen, Jingwen
7ca19268-3e9b-4f46-a862-3d12ce98942c
Kang, Jingjing
6a473305-1753-4e90-b16b-8599996272b7
Chen, Ke
d1642b49-a561-4258-a402-5313ceffb14d
Wu, Dan
febbf54b-9a0b-4f70-9c97-8f13f1e40972
Gao, Nong
9c1370f7-f4a9-4109-8a3a-4089b3baec21
Xiao, Maohua
84c4e27b-1f81-4880-a640-6fc43ac10602
Chen, Jingwen
7ca19268-3e9b-4f46-a862-3d12ce98942c
Kang, Jingjing
6a473305-1753-4e90-b16b-8599996272b7
Chen, Ke
d1642b49-a561-4258-a402-5313ceffb14d
Wu, Dan
febbf54b-9a0b-4f70-9c97-8f13f1e40972
Gao, Nong
9c1370f7-f4a9-4109-8a3a-4089b3baec21

Xiao, Maohua, Chen, Jingwen, Kang, Jingjing, Chen, Ke, Wu, Dan and Gao, Nong (2018) Effect of heat treatment process on mechanical properties and microstructure of FeAlCoCrNiTi0.5 alloy. AIP Advances, 8 (9), 1-14, [095322]. (doi:10.1063/1.5050434).

Record type: Article

Abstract

In order to study the effects of different sintering processes on the properties of the alloy, including the microstructure, hardness, friction and wear properties of the alloy, the optimum sintering method and process parameters were selected. A series of FeAlCoCrNiTi0.5 high-entropy alloy blocks were prepared by mechanical alloying using inert alloy sintering technology. XRD pattern showed that when the sintering temperature was 1000°C and the holding time was 3h, the phase structure would be a simple body-centered cubic BCC2 phase and a face-centered cubic FCC phase. SEM observation showed that the microstructure is denser, and the grain refinement of the high entropy alloy is remarkably better. The evaluation of hardness, friction and wear properties showed that the high-entropy alloy had the best overall performance.

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1.5050434
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Accepted/In Press date: 14 September 2018
e-pub ahead of print date: 25 September 2018

Identifiers

Local EPrints ID: 425075
URI: http://eprints.soton.ac.uk/id/eprint/425075
ISSN: 2158-3226
PURE UUID: 1b4ee18f-505b-4372-a3c2-0c9a195d2d8b

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Date deposited: 10 Oct 2018 16:30
Last modified: 09 Dec 2019 17:55

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Contributors

Author: Maohua Xiao
Author: Jingwen Chen
Author: Jingjing Kang
Author: Ke Chen
Author: Dan Wu
Author: Nong Gao

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