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首页> 外文期刊>Materials Science and Engineering >A novel TiZrNb medium entropy alloy (MEA) with appropriate elastic modulus for biocompatible materials
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A novel TiZrNb medium entropy alloy (MEA) with appropriate elastic modulus for biocompatible materials

机译：一种新型Tizrnb中等熵合金（MEA），具有适当的生物相容性材料弹性模量

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摘要

A simple equiatomic TiZrNb medium entropy alloy (MEA) for biocompatible materials was designed by mismatch-parameter-related strengthening and prepared by arc melting. Then the alloy was cold rolled with different single pass reductions and finally annealed. All samples including as-cast, cold-rolled and annealed TiZrNb MEAs possessed BCC structure, exhibiting elastic modulus of 72 ± 3 GPa under tensile, closer to that of human bone than Ti6A14V. The samples treated by different rolling processes had yield strength of 910 ± 25 MPa and 1060 ± 21 MPa respectively, higher than 830 ± 21 MPa of as-cast sample. Their strength decreased and the elongation increased after annealed, and an obvious work hardening caused by fine-grain strengthening appeared in tensile deformation. Furthermore, electrochemical behavior exhibited that corrosion resistance of samples were equivalent to that of Ti6A14V in PBS. In a summary, the new TiZrNb MEAs with great mechanical properties, lower elastic modulus and good corrosion resistance has great potential in biomedical field.
机译：通过Mismatch-参数相关的强化和通过电弧熔化制备，设计了一种简单的赤型矫正TizRNB中等熵合金（MEA）。然后用不同的单次减少，合金冷轧，最后退火。所有样品包括铸造，冷轧和退火的TizRNB MEA具有BCC结构，在拉伸下表现出72±3GPa的弹性模量，比Ti6a14v更接近人骨的骨骼。通过不同轧制工艺处理的样品分别具有910±25MPa和1060±21MPa的屈服强度，高于830±21MPa的AS浇铸样品。它们的强度降低，退火后的伸长率增加，并且在抗拉性变形中出现了细粒强化引起的明显工作硬化。此外，电化学行为表明，样品的耐腐蚀性相当于PBS中Ti6a14V的耐腐蚀性。综述，新的TizRNB具有较大的机械性能，下弹性模量和良好的耐腐蚀性在生物医学领域具有很大的潜力。

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  • 来源
    《Materials Science and Engineering》 |2021年第8期|115226.1-115226.7|共7页
  • 作者

    Shiwen Hu; Taojun Li; Zhenqian Su; Shuaiju Meng; Zhi Jia; Dexue Liu;

  • 作者单位

    School of Materials Science and Engineering Lanzhou University of Technology Lanzhou 730050 China State Key Laboratory of Advanced Processing and Recycling of Non-ferrous Metals Lanzhou University of Technology Lanzhou 730050 China;

    School of Materials Science and Engineering Lanzhou University of Technology Lanzhou 730050 China State Key Laboratory of Advanced Processing and Recycling of Non-ferrous Metals Lanzhou University of Technology Lanzhou 730050 China;

    School of Materials Science and Engineering Lanzhou University of Technology Lanzhou 730050 China State Key Laboratory of Advanced Processing and Recycling of Non-ferrous Metals Lanzhou University of Technology Lanzhou 730050 China;

    School of Materials Science and Engineering Lanzhou University of Technology Lanzhou 730050 China State Key Laboratory of Advanced Processing and Recycling of Non-ferrous Metals Lanzhou University of Technology Lanzhou 730050 China;

    School of Materials Science and Engineering Lanzhou University of Technology Lanzhou 730050 China State Key Laboratory of Advanced Processing and Recycling of Non-ferrous Metals Lanzhou University of Technology Lanzhou 730050 China;

    School of Materials Science and Engineering Lanzhou University of Technology Lanzhou 730050 China State Key Laboratory of Advanced Processing and Recycling of Non-ferrous Metals Lanzhou University of Technology Lanzhou 730050 China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Biocompatible materials; Medium entropy alloys; Cold rolling; Mechanical behavior; Corrosion resistance;

    机译：生物相容性材料;中等熵合金;冷轧;力学行为;耐腐蚀性能;

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