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J Mech Behav Biomed Mater：增材制造的多孔Ti-25Ta合金或可成为新一代的承重植体

2019-10-29 不详 网络

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为了提高与宿主组织的机械相容性，将多孔网络整合到承重植入物中是必不可少的。增材制造能够优化金属生物材料的机械性能，特别是通过使用新颖的周期性规则几何结构作为多孔结构。在这项工作中，我们首次使用Schwartz原始晶胞成功地通过选择性激光熔化（SLM）成功地生产了由Ti-25Ta合金制成的实体和晶格结构。该过程的可制造性和可重复性通过宏观结构和微观结构观察以及压缩测试进行了评估。已发现机械性能适用于

为了提高与宿主组织的机械相容性，将多孔网络整合到承重植入物中是必不可少的。增材制造能够优化金属生物材料的机械性能，特别是通过使用新颖的周期性规则几何结构作为多孔结构。

在这项工作中，我们首次使用Schwartz原始晶胞成功地通过选择性激光熔化（SLM）成功地生产了由Ti-25Ta合金制成的实体和晶格结构。该过程的可制造性和可重复性通过宏观结构和微观结构观察以及压缩测试进行了评估。已发现机械性能适用于骨置换应用，其弹性模量显著降低，取决于孔隙度，范围从14至36 GPa。

与常规使用的生物医学Ti-6Al-4V合金相比，Ti-Ta合金具有更低的弹性模量，相似的强度和更高的延展性，从而为目标应用提供了卓越的机械相容性，使Ti-25Ta合金成为新一代的有希望的候选者承重植入物。

原始出处：

Soro N, Attar H, et al., Evaluation of the mechanical compatibility of additively manufactured porous Ti-25Ta alloy for load-bearing implant applications. J Mech Behav Biomed Mater. 2019 Sep;97:149-158. doi: 10.1016/j.jmbbm.2019.05.019. Epub 2019 May 14.

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    2020-08-31 12498cbcm00(暂无昵称)

    #HAV#

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    2020-02-24 sunylz

    #Bio#

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    2019-10-31 楚秀娟

    #合金#

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    2019-10-31 qjddjq

    #EHA#

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    2019-10-31 ms3994565386320060

    #Med#

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