Anti-penetration performance of high entropy alloy-ceramic gradient composites

Wen-rui Wang; Hui-fa Xie; Lu Xie; Han-lin Li; Xiao Yang; Yi-nan Shen

doi:10.1007/s12613-018-1685-5

Volume 25 Issue 11

Nov. 2018

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Article Navigation > International Journal of Minerals, Metallurgy and Materials > 2018 > 25(11): 1320-1328

Wen-rui Wang, Hui-fa Xie, Lu Xie, Han-lin Li, Xiao Yang, and Yi-nan Shen, Anti-penetration performance of high entropy alloy-ceramic gradient composites, Int. J. Miner. Metall. Mater., 25(2018), No. 11, pp. 1320-1328. https://doi.org/10.1007/s12613-018-1685-5

Cite this article as:

Wen-rui Wang, Hui-fa Xie, Lu Xie, Han-lin Li, Xiao Yang, and Yi-nan Shen, Anti-penetration performance of high entropy alloy-ceramic gradient composites, Int. J. Miner. Metall. Mater., 25(2018), No. 11, pp. 1320-1328. https://doi.org/10.1007/s12613-018-1685-5

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Research Article

Anti-penetration performance of high entropy alloy-ceramic gradient composites

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Corresponding authors:
Wen-rui Wang E-mail: gmbitwrw@ustb.edu.cn

Han-lin Li E-mail: H.L.Li@lboro.ac.uk
Received: 29 June 2018; Revised: 26 July 2018; Accepted: 30 July 2018

Abstract

Abstract

A high-entropy alloy-ceramic gradient composite of TiC-TiB₂/75vol% Al_0.3CoCrFeNi was successfully prepared by combustion synthesis under an ultra-high gravity field, which is a low-cost method with high efficiency. The ceramic particles were gradient distributed in the Al_0.3CoCrFeNi matrix, and the hardness of the composite material gradually decreased along the thickness direction. The anti-penetration performance of the gradient composites was simulated using the ANSYS/LS-DYNA explicit simulation program. The results demonstrate that the distribution of the ceramic particles strongly affected the mechanical properties and the anti-penetration performance of the composites. With the same total ceramic volume fraction, the gradient composites exhibit better anti-penetration performance than the corresponding ceramic-metal interlayer composites. The more uneven the ceramic distribution, the greater the elastic modulus and yield stress of the surface layer and, thus, the better the anti-penetration performance.
- combustion synthesis;
- gradient composite;
- anti-penetration performance;
- numerical simulation

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