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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文章导航 > 矿物冶金与材料学报（英文） > 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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研究论文

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

School of Mechanical Engineering, University of Science and Technology Beijing, Beijing 100083, China
Loughborough Design School, Loughborough University, Loughborough, Leicestershire, LE11 3TU, UK
Technical Institute of Physical and Chemistry, Chinese Academy of Sciences, Beijing 100190, China
School of Energy and Environmental Engineering, University of Science and Technology Beijing, Beijing 100083, China

通讯作者:
Wen-rui Wang E-mail: gmbitwrw@ustb.edu.cn

Han-lin Li E-mail: H.L.Li@lboro.ac.uk

中文摘要

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.

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Research Article

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

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

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

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