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://dx.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://dx.doi.org/10.1007/s12613-018-1685-5
Research Article

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

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This work was financially supported by the Fundamental Research Funds for the Central Universities of China (FRF-GF-17-B21).

  • A high-entropy alloy-ceramic gradient composite of TiC-TiB2/75vol% Al0.3CoCrFeNi 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 Al0.3CoCrFeNi 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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