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首页> 外文期刊>Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics >Designing high entropy alloy-ceramic eutectic composites of MoNbRe0.5TaW(TiC)(x) with high compressive strength
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Designing high entropy alloy-ceramic eutectic composites of MoNbRe0.5TaW(TiC)(x) with high compressive strength

机译：用高压压强度设计Monbre0.5TAW（TIC）（X）的高熵合金陶瓷共晶复合材料

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摘要

Combining the advantages of composites and eutectic high entropy alloys, novel MoNbRe0.5TaW(TiC)(x) high entropy alloy-ceramic eutectic composites with high strength were successfully designed and investigated based on the computer assisted thermodynamic calculation. The MoNbRe0.5TaW(TiC)(x) composites are composed of body-centered cubic (BCC) solid solution and multi-component (MC) carbide with face-centered cubic (FCC) structure. With increasing TiC addition, microstructure exhibits an evolution from hypo-eutectic to eutectic and then to hyper-eutectic, which is explained by the solidification process analysis in calculated equilibrium phase diagram. The MoNbRe0.5TaW(TiC)(x) composites possess high strength. The MoNbRe0.5TaW(TiC)(1.0) fully eutectic composite has the highest compressive strength of 1943 +/- 13 MPa with high yield strength of 1496 +/- 17 MPa. The strengthening mechanism is contributed by the synthetic effect of second-phase and boundary strengthening. (C) 2019 Elsevier B.V. All rights reserved.
机译：结合复合材料和共晶高熵合金的优点，新颖的Monbre0.5Taw（TIC）（X）高强度的高熵合金 - 陶瓷共晶复合材料，基于计算机辅助热力学计算，研究和研究。 Monbre0.5Taw（TiC）（X）复合材料由以居高级（FCC）结构为中心的立方（BCC）固溶体和多组分（MC）碳化物组成。随着TIC的增加，微观结构表现出从催眠至共晶的渐变，然后对超共晶作用，这是通过计算出的平衡相图中的凝固过程分析来解释的。 Monbre0.5Taw（TIC）（X）复合材料具有高强度。 Monbre0.5Taw（TIC）（1.0）全共晶复合材料具有1943 +/- 13MPa的最高抗压强度，屈服强度为1496 +/- 17MPa。强化机制是通过二相和边界强化的合成效应贡献。 （c）2019 Elsevier B.v.保留所有权利。

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