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多孔Ti-Nb合金材料的制备与性能研究

张美丽 叱小彤 周春生 刘彦峰 方琛 郑郭刚

张美丽, 叱小彤, 周春生, 刘彦峰, 方琛, 郑郭刚. 多孔Ti-Nb合金材料的制备与性能研究[J]. 钢铁钒钛, 2021, 42(6): 84-89. doi: 10.7513/j.issn.1004-7638.2021.06.011
引用本文: 张美丽, 叱小彤, 周春生, 刘彦峰, 方琛, 郑郭刚. 多孔Ti-Nb合金材料的制备与性能研究[J]. 钢铁钒钛, 2021, 42(6): 84-89. doi: 10.7513/j.issn.1004-7638.2021.06.011
Zhang Meili, Chi Xiaotong, Zhou Chunsheng, Liu Yanfeng, Fang Chen, Zheng Guogang. Preparation and properties of porous Ti-Nb alloy materials[J]. IRON STEEL VANADIUM TITANIUM, 2021, 42(6): 84-89. doi: 10.7513/j.issn.1004-7638.2021.06.011
Citation: Zhang Meili, Chi Xiaotong, Zhou Chunsheng, Liu Yanfeng, Fang Chen, Zheng Guogang. Preparation and properties of porous Ti-Nb alloy materials[J]. IRON STEEL VANADIUM TITANIUM, 2021, 42(6): 84-89. doi: 10.7513/j.issn.1004-7638.2021.06.011

多孔Ti-Nb合金材料的制备与性能研究

doi: 10.7513/j.issn.1004-7638.2021.06.011
基金项目: 陕西省教育厅专项科研计划资助项目(20JK0618);商洛市科技局科学技术研究发展计划项目(2020-Z-0083);国家大学生创新创业训练计划项目(S202011396005)
详细信息
    作者简介:

    张美丽(1985—),女,陕西商洛人,硕士,讲师,主要从事有色金属多孔材料相关研究,E-mail:283233650@qq.com

  • 中图分类号: TF823,TG146.2

Preparation and properties of porous Ti-Nb alloy materials

  • 摘要: 采用粉末冶金添加造孔剂法制备多孔Ti-Nb合金,研究不同Nb含量对合金物相结构、微观孔隙形貌、孔隙率、抗压强度及耐腐蚀性能的影响。研究结果表明:多孔Ti-Nb合金具有α和β双相组织,随Nb含量的增加,材料中的 β 相含量逐渐增大,Nb含量为25%~30%时材料的孔隙大小和分布较均匀,平均孔径为300 μm左右;随Nb含量的增加,材料的孔隙率随之增大,径向收缩率和抗压强度逐渐减小,耐腐蚀性呈先增大后减小趋势,在Nb含量30%时材料的耐腐蚀性最强,其孔隙率为33.6%,径向收缩率为7.3%,抗压强度为130 MPa。
  • 图  1  多孔Ti-Nb合金的烧结工艺曲线

    Figure  1.  Sintering process curve of porous Ti-Nb alloys

    图  2  不同Nb含量多孔Ti-Nb合金的XRD图谱

    Figure  2.  XRD patterns of porous Ti-Nb alloys with different Nb contents

    图  3  多孔Ti-Nb合金的EDS分析

    Figure  3.  EDS analysis of porous Ti-Nb alloys

    图  4  不同Nb含量多孔Ti-Nb合金的微观孔隙形貌

    Figure  4.  Micropore morphology of porous Ti-Nb alloys with different Nb contents

    图  5  不同Nb含量多孔Ti-Nb合金的径向收缩率

    Figure  5.  Radial shrinkage rate of porous Ti-Nb alloys with different Nb contents

    图  6  不同Nb含量多孔Ti-Nb合金的抗压强度

    Figure  6.  Compressive strength of porous Ti-Nb alloys with different Nb contents

    图  7  多孔Ti-Nb合金的压缩载荷-位移曲线

    Figure  7.  Compressive load-displacement curves of the porous Ti-Nb alloys

    图  8  不同Nb含量多孔Ti-Nb合金的阳极极化曲线

    Figure  8.  Anodic polarization curve of porous Ti-Nb alloys with different Nb contents

    图  9  不同Nb含量多孔Ti-Nb合金的阻抗图谱

    Figure  9.  EIS curves of porous Ti-Nb alloys with different Nb contents

    表  1  多孔Ti-Nb合金的孔隙率和平均孔径

    Table  1.   Porosity and average pore size of porous Ti-Nb alloys

    w(Nb)/%孔隙率/%平均孔径/μm
    520.46223
    1026.70252
    1529.30271
    2029.56310
    2530.85360
    3033.61355
    3546.04351
    下载: 导出CSV

    表  2  不同Nb含量多孔Ti-Nb合金的腐蚀电位

    Table  2.   The corrosion potential of porous Ti-Nb alloys with different Nb contents

    w(Nb)/%腐蚀电位/V腐蚀电流/A电流密度/(A·cm−2)
    5−0.86−6.772.16
    10−0.77−6.542.08
    15−0.71−6.962.22
    20−0.71−6.502.07
    25−0.75−6.241.99
    30−0.76−6.151.96
    35−0.95−7.162.28
    下载: 导出CSV
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出版历程
  • 收稿日期:  2021-08-30
  • 刊出日期:  2021-12-31

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