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首页> 外文期刊>Materials Science and Engineering >Ultrafine TiB_2-TiNiFeCrCoAl high-entropy alloy composite with enhanced mechanical properties
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Ultrafine TiB_2-TiNiFeCrCoAl high-entropy alloy composite with enhanced mechanical properties

机译：机械性能增强的超细TiB_2-TiNiFeCrCoAl高熵合金复合材料

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摘要

This paper introduces a novel TiB_2-10 wt% TiNiFeCrCoAl high-entropy alloy (HEA) composite with an en-hanced hardness and indentation fracture toughness. Comparing with the traditional TiB_2-Ni composite, the addition of TiNiFeCrCoAl HEA can remove the oxide impurities in TiB_2 to enhance the sintered density; and decrease the solubility of TiB_2 in HEA and the solid-liquid surface energy to inhibit the grain growth. The further observation on the microstructure shows the hardening is due to the fine grain size and high contiguity; and the toughening can be attributed to the crack deflection, branching, bridging, and grain pull-out.%TiB_2; High-entropy alloy; Composite; Mechanical properties
机译：本文介绍了一种具有增强的硬度和压痕断裂韧性的新型TiB_2-10 wt％TiNiFeCrCoAl高熵合金（HEA）复合材料。与传统的TiB_2-Ni复合材料相比，添加TiNiFeCrCoAl HEA可以去除TiB_2中的氧化物杂质，从而提高烧结密度。降低TiB_2在HEA中的溶解度和固液表面能，从而抑制晶粒长大。对显微组织的进一步观察表明，硬化是由于晶粒细小和高连续性引起的。 ％TiB_2;裂纹可归因于裂纹变形，分支，桥接和晶粒拉出。高熵合金；综合;机械性能

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  • 来源
    《Materials Science and Engineering》 |2017年第15期|184-188|共5页
  • 作者

    Zhezhen Fu; Rasit Koc;

  • 作者单位

    Department of Mechanical Engineering and Energy Processes, Southern Illinois University, 1230 Lincoln Drive, Carbondale, IL 62901, United States;

    Department of Mechanical Engineering and Energy Processes, Southern Illinois University, 1230 Lincoln Drive, Carbondale, IL 62901, United States;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    TiB_2; High-entropy alloy; Composite; Mechanical properties;

    机译：TiB_2;高熵合金;综合;机械性能;

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