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首页> 外文期刊>Materials Science and Engineering >Effects of TiB on the mechanical properties of Ti-29Nb-13Ta-4.6Zr alloy for use in biomedical applications
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Effects of TiB on the mechanical properties of Ti-29Nb-13Ta-4.6Zr alloy for use in biomedical applications

机译：TiB对生物医学用Ti-29Nb-13Ta-4.6Zr合金力学性能的影响

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摘要

TiB_2 was added to P-type Ti-29Nb-13Ta-4.6Zr (TNTZ) to enhance its mechanical properties and lower its Young's modulus, and the microstructures and mechanical properties of TNTZ with 0.05-0.50 mass%B were investigated. The B concentration of TNTZ was controlled by varying the amount of added TiB_2. TNTZ with 0.05-0.50 mass%B consists of a β-phase with a small amount of TiB. As the B concentration increases, these TiB precipitates become increasingly efficient at preventing texture movement. The microstructure of TNTZ is refined by TiB, and the TNTZ grain size decreases as the B concentration increases. Moreover, the Young's moduli of TNTZ with 0.05-0.50 mass%B remain below 70 GPa, and are almost similar to that of TNTZ without TiB. The tensile strength of TNTZ with 0.05-0.50 mass%B is slightly improved, and the optimum tensile strength is enhanced by approximately 8%. TNTZ with 0.10 mass%B exhibits a good balance between tensile strength and the elongation. The results of this study are expected to contribute to the creation of a TNTZ-based material with improved mechanical properties and maintained Young's modulus that can be used as dental and orthopedic biomaterials.
机译：将TiB_2添加到P型Ti-29Nb-13Ta-4.6Zr（TNTZ）中以增强其机械性能并降低其杨氏模量，并研究了0.05-0.50质量％B的TNTZ的组织和力学性能。通过改变TiB_2的添加量来控制TNTZ的B浓度。 B含量为0.05-0.50质量％的TNTZ由具有少量TiB的β相组成。随着B浓度的增加，这些TiB沉淀物在防止织构运动方面变得越来越有效。 TiB细化了TNTZ的微观结构，随着B浓度的增加，TNTZ晶粒尺寸减小。而且，具有0.05-0.50质量％B的TNTZ的杨氏模量保持在70GPa以下，并且几乎与没有TiB的TNTZ的杨氏模量相似。 B含量为0.05-0.50质量％的TNTZ的抗拉强度略有提高，最佳抗拉强度提高了约8％。 B含量为0.10质量％的TNTZ在拉伸强度和伸长率之间显示出良好的平衡。预期这项研究的结果将有助于创建具有改善的机械性能和保持杨氏模量的TNTZ基材料，该材料可用作牙科和整形外科生物材料。

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  • 来源
    《Materials Science and Engineering》 |2011年第17期|p.5600-5609|共10页
  • 作者

    XiuSong; MitsuoNiinomi; Harumi Tsutsumi; Masaaki Nakai; Lei Wang;

  • 作者单位

    The Key Laboratory for Anisotropy and Texture of Materials (Ministry of Education), Northeastern University, Shenyang 110004, China,Department of Biomaterials Science, Institute for Materials Research, Tohoku University, 2-1-1 Katahira, Aobaku, Sendai 980-8577, Japan;

    Department of Biomaterials Science, Institute for Materials Research, Tohoku University, 2-1-1 Katahira, Aobaku, Sendai 980-8577, Japan;

    Department of Biomaterials Science, Institute for Materials Research, Tohoku University, 2-1-1 Katahira, Aobaku, Sendai 980-8577, Japan;

    Department of Biomaterials Science, Institute for Materials Research, Tohoku University, 2-1-1 Katahira, Aobaku, Sendai 980-8577, Japan;

    The Key Laboratory for Anisotropy and Texture of Materials (Ministry of Education), Northeastern University, Shenyang 110004, China;

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  • 正文语种 eng
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  • 关键词

    β-type titanium alloy; titanium diboride; young's modulus; tensile properties;

    机译：β型钛合金;二硼化钛;杨氏模量;拉伸性能;

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