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首页> 外文期刊>Materials science & engineering >Development of a low elastic modulus and antibacterial Ti-13Nb-13Zr-5Cu titanium alloy by microstructure controlling
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Development of a low elastic modulus and antibacterial Ti-13Nb-13Zr-5Cu titanium alloy by microstructure controlling

机译：通过微结构控制开发低弹性模量和抗菌TI-13NB-13ZR-5CU钛合金

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摘要

In order to prepare a titanium with a low elastic modulus and good antibacterial property to meet the requirements as a biomedical material, Ti-13Nb-13Zr-5Cu (TNZ-5Cu) alloy was prepared by high vacuum consume electric arc melting furnace and then subjected to a solution treatment at 950 degrees C followed by a short-term aging treatment at 600 degrees C, for 15 min, 30 min, 1 h and 2 h, respectively. The microstructure, mechanical property, antibacterial property and biocompatibility of TNZ-5Cu were investigated in detail. The research results have shown that the solid solution treated alloy was mainly composed of beta-phase and alpha ''-phase, while the aged alloys of beta-phase, alpha ''-phase, alpha-phase and Ti2Cu. Compared with Ti-13Nb-13Zr alloy (65 GPa) and Ti-6Al-4 V alloy (111 GPa), the elastic modulus of TNZ-5Cu alloy after solution treatment was about 72 GPa and increased with the aging treatment up to 85 GPa, and the hardness was maintained at a higher level than that of Ti-13Nb-13Zr alloys (288 HV). The bacteria plate count results showed that the antibacterial ability of TNZ-5Cu alloy increased with the extension of the aging duration from 60% at 15-30 min to 90% at 1-2 h. Cell experiments showed that all TNZ-5Cu alloy had good cell compatibility. The low modulus and the antibacterial property could provide potential to avoid stress shield and device-related inflection in the clinical application.
机译：为了制备具有低弹性模量和良好抗菌性的钛，以满足作为生物医学材料的要求，通过高真空消耗电弧熔化炉制备Ti-13NB-13ZR-5Cu（TNZ-5Cu）合金，然后进行在950℃下的溶液处理，然后在600℃下进行短期老化处理，分别为15分钟，30分钟，1小时和2小时。详细研究了TNZ-5Cu的微观结构，机械性质，抗菌性和生物相容性。研究结果表明，固体溶液处理的合金主要由β相和α-相，而β相的老化合金，α-α“α相和Ti2Cu。与TI-13NB-13ZR合金（65GPa）和Ti-6Al-4 V合金（111GPa）相比，溶液处理后TNZ-5Cu合金的弹性模量为约72GPa，随着85GPa的老化处理增加，增加了85 gpa ，并且硬度保持在比Ti-13NB-13 Zr合金（288HV）的更高水平。细菌板计数结果表明，TNZ-5Cu合金的抗菌能力随着衰老持续时间的延长而增加。在15-30分钟至60％至1-2小时。细胞实验表明，所有TNZ-5CU合金都具有良好的细胞相容性。低模量和抗菌性能可以提供避免临床应用中的压力屏蔽和与器件相关的拐点的潜力。

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  • 来源
    《Materials science & engineering》 |2021年第7期|112116.1-112116.14|共14页
  • 作者

    Shi Anqi; Cai Diangeng; Hu Jiali; Zhao Xiaotong; Qin Gaowu; Han Yong; Zhang Erlin;

  • 作者单位

    Northeastern Univ Sch Mat Sci & Engn Educ Minist China Key Lab Anisotropy & Texture Mat Shenyang 110819 Peoples R China;

    Northeastern Univ Sch Mat Sci & Engn Educ Minist China Key Lab Anisotropy & Texture Mat Shenyang 110819 Peoples R China;

    Northeastern Univ Sch Mat Sci & Engn Educ Minist China Key Lab Anisotropy & Texture Mat Shenyang 110819 Peoples R China;

    Northeastern Univ Sch Mat Sci & Engn Educ Minist China Key Lab Anisotropy & Texture Mat Shenyang 110819 Peoples R China;

    Northeastern Univ Sch Mat Sci & Engn Educ Minist China Key Lab Anisotropy & Texture Mat Shenyang 110819 Peoples R China|Northeastern Univ Res Ctr Metall Wires Shenyang 110819 Peoples R China;

    Xi An Jiao Tong Univ State Key Lab Mech Behav Mat Xian 710049 Peoples R China;

    Northeastern Univ Sch Mat Sci & Engn Educ Minist China Key Lab Anisotropy & Texture Mat Shenyang 110819 Peoples R China|Northeastern Univ Res Ctr Metall Wires Shenyang 110819 Peoples R China;

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  • 正文语种 eng
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  • 关键词

    Ti-13Nb-13Zr-5Cu; Microstructure; Elastic modulus; Antibacterial property; Cytotoxicity; Antibacterial titanium alloy;

    机译：TI-13NB-13ZR-5CU;微观结构;弹性模量;抗菌性质;细胞毒性;抗菌钛合金;

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