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C含量对增材制造(FeCoCrNi)88-xMo8WNb3Cx高熵合金成型件组织与性能的影响

王仪凌,  孙崇锋,  谷臻,  李晓娟,  李春雨,  席生岐,  白亚平,  何子博,  郭巧琴

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文章导航 > 材料开发与应用  > 2024 >  39(1): 14-22,46
王仪凌, 孙崇锋, 谷臻, 李晓娟, 李春雨, 席生岐, 白亚平, 何子博, 郭巧琴. C含量对增材制造(FeCoCrNi)88-xMo8WNb3Cx高熵合金成型件组织与性能的影响[J]. 材料开发与应用, 2024, 39(1): 14-22,46.
引用本文: 王仪凌, 孙崇锋, 谷臻, 李晓娟, 李春雨, 席生岐, 白亚平, 何子博, 郭巧琴. C含量对增材制造(FeCoCrNi)88-xMo8WNb3Cx高熵合金成型件组织与性能的影响[J]. 材料开发与应用, 2024, 39(1): 14-22,46.
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WANG Yiling, SUN Chongfeng, GU Zhen, LI Xiaojuan, LI Chunyu, XI Shengqi, BAI Yaping, HE Zibo, GUO Qiaoqin. Effect of C Content on Microstructure and Properties of (FeCoCrNi)88-xMo8WNb3CxHigh Entropy Alloys by Additive Manufacturing[J]. Development and Application of Materials, 2024, 39(1): 14-22,46.
Citation: WANG Yiling, SUN Chongfeng, GU Zhen, LI Xiaojuan, LI Chunyu, XI Shengqi, BAI Yaping, HE Zibo, GUO Qiaoqin. Effect of C Content on Microstructure and Properties of (FeCoCrNi)88-xMo8WNb3CxHigh Entropy Alloys by Additive Manufacturing[J]. Development and Application of Materials, 2024, 39(1): 14-22,46.
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C含量对增材制造(FeCoCrNi)88-xMo8WNb3Cx高熵合金成型件组织与性能的影响

  • 1. 西安工业大学, 陕西 西安 710021;

  • 2. 西安交通大学, 陕西 西安 710049;

  • 3. 长庆油田第三采气厂, 陕西 西安 710018;

  • 4. 青岛地铁集团有限公司, 山东 青岛 266000

基金项目: 

陕西高校第五批"青年杰出人才支持计划"

陕西省教育厅专项科研计划项目(21JK0688)。

陕西省自然科学基础研究计划项目(2021JQ-646)

国家自然科学基金(52201138)

发动机关键部件材料研发及应用创新团队(K20220185)

详细信息
    作者简介:

    王仪凌,男,1997年生,硕士研究生。E-mail:stellakabi@qq.com

    通讯作者:

    孙崇锋,男,1988年生,讲师。E-mail:chongfengsun@xatu.edu.cn

    谷臻,男,1991年生,副教授。E-mail:guzhen@xjtu.edu.cn

  • 中图分类号: TG142.74

Effect of C Content on Microstructure and Properties of (FeCoCrNi)88-xMo8WNb3CxHigh Entropy Alloys by Additive Manufacturing

  • 1. Xi'an Technological University, Xi'an 710021, China;

  • 2. Xi'an Jiaotong University, Xi'an 710049, China;

  • 3. The Third Gas Production Plant of Changqing Oilfield Branch of Petrochina Co., Ltd., Xi'an 710018, China;

  • 4. Qingdao Metro Group Company Limited, Qingdao 266000, China

    摘要
  • 摘要: 采用机械合金化方法与增材制造技术制备了(FeCoCrNi)88-xMo8WNb3Cx(x=0.25、0.5、0.75、1、1.5、2、2.5)高熵合金成型件。在明确该高熵合金形成规律的基础上,进一步分析了C含量对其组织和力学性能的影响规律。结果表明:当C含量介于0.25%~2.50%(摩尔分数)之间时,(FeCoCrNi)88-xMo8WNb3Cx高熵合金均由FCC相和M6C相组成;随着C含量的增加,合金的抗压强度逐渐增加,塑性呈先增大后减小趋势;当C含量为2.00%时,合金的综合力学性能最优,其抗压强度为1 993.4 MPa,断裂应变为31.5%。

     

    Abstract: (FeCoCrNi)88-xMo8WNb3Cx (x=0.25, 0.5, 0.75, 1, 1.5, 2, 2.5) high entropy alloy specimens are prepared by mechanical alloying and additive manufacturing. The formation law of the high entropy alloys is clarified firstly, and then the effects of C content on their microstructures and mechanical properties are further studied. It is found out that the (FeCoCrNi) 88-xMo8WNb3Cx high entropy alloy is composed of FCC and M6C phases when the C content is between 0.25% and 2.50% (mole fraction). With the increase of C content, the compressive strength of the alloy increases and the fracture strain increases at first and then decreases. When the C content is 2.00%, the compressive strength and fracture strain of the alloy are 1 993.4 MPa and 31.5%.

     

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  • 收稿日期:  2023-10-27

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