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碳化物陶瓷颗粒对双相高熵合金基复合材料微观组织和力学性能的影响

古艳玲 陈扬 安金华 涂坚 黄灿 周志明 罗晋如

古艳玲, 陈扬, 安金华, 等. 碳化物陶瓷颗粒对双相高熵合金基复合材料微观组织和力学性能的影响[J]. 复合材料学报, 2023, 40(5): 3047-3059. doi: 10.13801/j.cnki.fhclxb.20220617.001
引用本文: 古艳玲, 陈扬, 安金华, 等. 碳化物陶瓷颗粒对双相高熵合金基复合材料微观组织和力学性能的影响[J]. 复合材料学报, 2023, 40(5): 3047-3059. doi: 10.13801/j.cnki.fhclxb.20220617.001
GU Yanling, CHEN Yang, AN Jinhua, et al. Effect of carbide ceramic particles on the microstructure and mechanical properties of dual-phase high-entropy alloy matrix composites[J]. Acta Materiae Compositae Sinica, 2023, 40(5): 3047-3059. doi: 10.13801/j.cnki.fhclxb.20220617.001
Citation: GU Yanling, CHEN Yang, AN Jinhua, et al. Effect of carbide ceramic particles on the microstructure and mechanical properties of dual-phase high-entropy alloy matrix composites[J]. Acta Materiae Compositae Sinica, 2023, 40(5): 3047-3059. doi: 10.13801/j.cnki.fhclxb.20220617.001

碳化物陶瓷颗粒对双相高熵合金基复合材料微观组织和力学性能的影响

doi: 10.13801/j.cnki.fhclxb.20220617.001
基金项目: 国家自然科学基金(52171052;U20B2009);重庆市自然科学基金(cstc2020 jcyj-msxmX0587)
详细信息
    通讯作者:

    涂坚,博士,副教授,硕士生导师,研究方向为先进合金材料设计与制备 E-mail: tujian@cqut.edu.cn

  • 中图分类号: TG113;TB331

Effect of carbide ceramic particles on the microstructure and mechanical properties of dual-phase high-entropy alloy matrix composites

Funds: National Natural Science Foundation of China (52171052; U20B2009); Chongqing Natural Science Foundation (cstc2020 jcyj-msxmX0587)
  • 摘要: 高熵合金拓宽了复合材料中金属基体的选用范围。本文通过外加碳化物陶瓷颗粒,利用电弧熔炼技术制备Fe49.5Mn30Co10Cr10X0.5 (X=B4C、ZrC和TiC)等3种高熵合金复合材料,系统研究3种碳化物陶瓷颗粒对双相高熵合金基复合材料微观组织和力学性能的影响。研究结果表明:掺杂碳化物陶瓷颗粒均可细化高熵合金基体的晶粒尺寸,稳定fcc相,抑制hcp相形成,其中B4C陶瓷颗粒细化晶粒和稳定fcc相效果最显著。掺杂ZrC和B4C陶瓷颗粒样品,力学性能低于高熵合金基体样品,归因于ZrC和B4C陶瓷颗粒与基体之间的界面结合情况不佳,界面处出现孔洞性缺陷;而掺杂TiC陶瓷颗粒样品,其强韧化效果显著,归因于良好的界面结合、细晶强化、弥散强化及颗粒承载强化等。

     

  • 图  1  (a)纽扣状铸态样品;(b)热压缩后变形样品

    Figure  1.  (a) Button-like as-cast sample; (b) Deformation sample after thermal compression

    图  2  拉伸件尺寸

    R—Radius

    Figure  2.  Sizes of tensile sample

    图  3  相含量随温度变化图

    Figure  3.  Fraction of stable phases as function of temperature

    图  4  Fe50Mn30Co10Cr10、Fe50Mn30Co10Cr10(B4C)0.5、Fe50Mn30Co10Cr10(ZrC)0.5和Fe50Mn30Co10Cr10(TiC)0.5 4种均匀态样品的EBSD图:((a1)~(d1)) 反极图;((a2)~(d2)) 相图;((a3)~(d3)) 晶界图

    ND—Normal direction; RD—Rolling direction; LAB—Low angle boundary; HAB—High angle boundary; θ—Misorientation angle; TB—Twin boundary; PB—Phase boundary; fcc—Face center cubic; hcp—Hexagonal close packed

    Figure  4.  EBSD maps of four homogeneous samples, including Fe50Mn30Co10Cr10, Fe50Mn30Co10Cr10(B4C)0.5, Fe50Mn30Co10Cr10(ZrC)0.5 and Fe50Mn30Co10Cr10(TiC)0.5: ((a1)-(d1)) Reverse pole figure; ((a2)-(d2)) Phase map; ((a3)-(d3)) Grain boundary map

    图  5  Fe50Mn30Co10Cr10、Fe50Mn30Co10Cr10(B4C)0.5、Fe50Mn30Co10Cr10(ZrC)0.5和Fe50Mn30Co10Cr10(TiC)0.5 4种再结晶态样品的EBSD图:((a1)~(d1))反极图;((a2)~(d2))相图;((a3)~(d3))晶界图

    Figure  5.  EBSD maps of four recrystallized samples, including Fe50Mn30Co10Cr10, Fe50Mn30Co10Cr10(B4C)0.5, Fe50Mn30Co10Cr10(ZrC)0.5 and Fe50Mn30Co10Cr10(TiC)0.5: ((a1)-(d1)) Reverse pole map; ((a2)-(d2)) Phase map; ((a3)-(d3)) Grain boundary map

    图  6  再结晶态样品的ECC图:((a1), (a2)) Fe50Mn30Co10Cr10;((b1), (b2)) Fe50Mn30Co10Cr10(B4C)0.5;((c1), (c2)) Fe50Mn30Co10Cr10(ZrC)0.5;((d1), (d2)) Fe50Mn30Co10Cr10(TiC)0.5

    Figure  6.  ECC maps of recrystallized samples: ((a1), (a2)) Fe50Mn30Co10Cr10; ((b1), (b2)) Fe50Mn30Co10Cr10(B4C)0.5; ((c1), (c2)) Fe50Mn30Co10Cr10(ZrC)0.5; ((d1), (d2)) Fe50Mn30Co10Cr10(TiC)0.5

    图  7  再结晶态Fe50Mn30Co10Cr10(B4C)0.5样品界面:((a), (b)) B4C陶瓷颗粒与Fe50Mn30Co10Cr10结合的界面 SEM 图像;((c), (d)) SEM-EDS元素线扫描和面扫描图

    Figure  7.  Interface images of as-recrystallized Fe50Mn30Co10Cr10(B4C)0.5: ((a), (b)) SEM images of the interface between B4C ceramic particles and Fe50Mn30Co10Cr10; ((c), (d)) SEM-EDS element line scan and surface scan images

    图  8  再结晶态Fe50Mn30Co10Cr10(ZrC)0.5样品界面:((a), (b)) ZrC陶瓷颗粒与Fe50Mn30Co10Cr10结合的界面 SEM 图像;((c), (d)) SEM-EDS元素线扫描和面扫描图

    Figure  8.  Interface images of as-recrystallized Fe50Mn30Co10Cr10(ZrC)0.5: ((a), (b)) SEM images of the interface between ZrC ceramic particles and Fe50Mn30Co10Cr10; ((c), (d)) SEM-EDS element line scan and surface scan images

    图  9  再结晶态Fe50Mn30Co10Cr10(TiC)0.5样品界面:((a), (b)) TiC陶瓷颗粒与Fe50Mn30Co10Cr10结合的界面SEM图像;((c), (d)) SEM-EDS元素线扫描和面扫描图

    Figure  9.  Interface images of as-recrystallized Fe50Mn30Co10Cr10(TiC)0.5: ((a), (b)) SEM images of the interface between TiC ceramic particles and Fe50Mn30Co10Cr10; ((c), (d)) SEM-EDS element line scan and surface scan images

    图  10  (a)工程应力-应变曲线[28];(b)加工硬化曲线;样品的断口形貌:(c) Fe50Mn30Co10Cr10;(d) Fe50Mn30Co10Cr10(B4C)0.5;(e) Fe50Mn30Co10Cr10(ZrC)0.5;(f) Fe50Mn30Co10Cr10(TiC)0.5

    Figure  10.  (a) Engineering stress-strain curves[28]; (b) Work hardening curves; Fracture morphologies of the samples: (c) Fe50Mn30Co10Cr10; (d) Fe50Mn30Co10Cr10(B4C)0.5; (e) Fe50Mn30Co10Cr10(ZrC)0.5; (f) Fe50Mn30Co10Cr10(TiC)0.5

    表  1  粉末的基本参数

    Table  1.   Basic parameters of powder

    Powder Particle size/μm Purity/wt%
    Fe 0.5 99.9
    Mn 0.5 99.9
    Co 0.5 99.9
    Cr 0.5 99.9
    B4C 0.04 99.9
    ZrC 0.04 99.9
    TiC 0.04 99.9
    下载: 导出CSV

    表  2  Fe50Mn30Co10Cr10、Fe50Mn30Co10Cr10(B4C)0.5、Fe50Mn30Co10Cr10(ZrC)0.5和Fe50Mn30Co10Cr10(TiC)0.54种再结晶态样品的力学性能

    Table  2.   Mechanical properties of four recrystallized samples of Fe50Mn30Co10Cr10, Fe50Mn30Co10Cr10(B4C)0.5, Fe50Mn30Co10Cr10(ZrC)0.5 and Fe50Mn30Co10Cr10(TiC)0.5

    SampleYield stress/MPaUltimate tensile strength/MPaFracture elongation/%
    Fe50Mn30Co10Cr1020674744
    Fe50Mn30Co10Cr10(B4C)0.544183722
    Fe50Mn30Co10Cr10(ZrC)0.516947319
    Fe50Mn30Co10Cr10(TiC)0.538688647
    下载: 导出CSV
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  • 收稿日期:  2022-05-17
  • 修回日期:  2022-06-02
  • 录用日期:  2022-06-04
  • 网络出版日期:  2022-06-20
  • 刊出日期:  2023-05-15

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