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首页> 外文期刊>Materials Science and Engineering >High-strength low-modulus biocompatible Nb-lZr alloy processed by accumulative roll bonding
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High-strength low-modulus biocompatible Nb-lZr alloy processed by accumulative roll bonding

机译：高强度低模量生物相容性NB-LZR合金通过累积辊粘合处理

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摘要

This paper presents the development of an ultra-fine grained (UFG) microstructure in NblZr alloy through severe plastic deformation by accumulative roll bonding (ARB). The sheets were subjected to 5 ARB cycles, for a total equivalent deformation of 400%. The laminated composites were characterized both mechanically and micro-structurally. Tensile tests revealed a four-fold increase in yield stress after 5 ARB passes. More importantly, an important reduction of the elastic modulus was detected. A Dillamore/Taylor coupled with a Goss texture measured by X-ray diffraction was found to be responsible for this reduction. Indirect and direct cell toxicity were carried out and confirmed that ARB processing has no detrimental effect in the biocompatibility of this materials. The results support this processing route as an attractive alternative for manufacturing biocompatible Nb-based implants.
机译：本文通过累积辊粘合（arb），通过严重的塑性变形呈现NBLZR合金中的超细颗粒（UFG）微观结构的发展。将片材进行5次循环，总等同变形为400％。层叠复合材料的特征在于机械和微结构。拉伸试验显示5次通过后的屈服应力增加了四倍。更重要的是，检测到弹性模量的重要降低。发现与通过X射线衍射测量的高转高纹理联接的Dillamore /泰勒被发现负责这种减少。进行间接和直接细胞毒性并确认ARB处理对该材料的生物相容性没有不利影响。结果支持该处理路线作为制造基于生物相容性Nb的植入物的有吸引力的替代方案。

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  • 来源
    《Materials Science and Engineering》 |2020年第21期|140226.1-140226.10|共10页
  • 作者

    B.L. Rodriguez-Espinoza; F.A. Garcia-Pastor; B. Martinez-Poved; A.R. Quesad; P. Lopez-Crespo;

  • 作者单位

    Centra de Investigation y de Estudios Avanzados del Instituto Politecnico National Ave. Industria Metalurgica 1062 Ramos Arizpe Coahuila Mexico Department of Civil and Materials Engineering University of Malaga C/Dr Ortiz Ramos s 29071 Malaga Spain;

    Centra de Investigation y de Estudios Avanzados del Instituto Politecnico National Ave. Industria Metalurgica 1062 Ramos Arizpe Coahuila Mexico;

    Centra de Investigation y de Estudios Avanzados del Instituto Politecnico National Ave. Industria Metalurgica 1062 Ramos Arizpe Coahuila Mexico Departamento de Biologia Molecular y Bioqutmica Universidad de Malaga Malaga Spain IBIMA (Biomedical Research Institute of Malaga) E-29071 Malaga Spain CIBER de Enfermedades Cardiovasculares (CIBERCV) Madrid Spain;

    Centra de Investigation y de Estudios Avanzados del Instituto Politecnico National Ave. Industria Metalurgica 1062 Ramos Arizpe Coahuila Mexico Departamento de Biologia Molecular y Bioqutmica Universidad de Malaga Malaga Spain IBIMA (Biomedical Research Institute of Malaga) E-29071 Malaga Spain CIBER de Enfermedades Raras (CIBERER) E-29071 Malaga Spain;

    Department of Civil and Materials Engineering University of Malaga C/Dr Ortiz Ramos s 29071 Malaga Spain;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    NblZr; Accumulative roll bonding; Biocompatible materials; Texture; Ultra-fine grained materials;

    机译：nblzr;累积辊粘合;生物相容性材料;质地;超细颗粒材料;

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