Effects of Alloying Elements on Elastic Modulus of Ti-Nb-Ta-Zr System Alloy for Biomedical Applications

Effects of Alloying Elements on Elastic Modulus of Ti-Nb-Ta-Zr System Alloy for Biomedical Applications
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DOI：
10.4028/www.scientific.net/msf.449-452.1269
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发表时间：
2004-03
期刊：
Materials Science Forum
影响因子：
--
通讯作者：
N. Sakaguchi;N. Mitsuo;T. Akahori;T. Saito;T. Furuta
N. Sakaguchi;N. Mitsuo;T. Akahori;T. Saito;T. Furuta
中科院分区：
其他
文献类型：
--
作者：
N. Sakaguchi;N. Mitsuo;T. Akahori;T. Saito;T. Furuta

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研究了合金元素对生物医学用Ti-Nb-Ta-Zr系合金弹性模量（杨氏模量）的影响。本案例选择Ti-29Nb-13Ta-4.6Zr的简化化学成分合金Ti-30Nb-10Ta-5Zr作为基本合金成分。Ti-Nb-Ta-Zr四元合金中各合金元素含量独立变化。Nb含量从0到40质量%变化了8个等级。Ta含量在0 ~ 20质量%范围内变化了5个等级。Zr含量在0 ~ 10质量%范围内变化了5个等级。每种合金都是通过粉末冶金加工，然后是锻造。单相Ti-30Nb-10Ta-5Zr的杨氏模量最低，为碱性合金成分。在Ti-Nb-Ta-Zr合金中，相中相析出比相析出对杨氏模量的提高有更大的作用。
Effects of alloying elements on elastic moduli (Young’s moduli) of Ti-Nb-Ta-Zr system alloys for biomedical applications were investigated. In this case, Ti-30Nb-10Ta-5Zr which is the simplified chemical compositional alloy of Ti-29Nb-13Ta-4.6Zr for biomedical applications has been selected as the basic alloy composition. Each alloying element content of Ti-Nb-Ta-Zr quaternary alloys was varied independently. Nb content was varied from 0 through 40 mass % by eight levels. Ta content was varied from 0 through 20 mass % by five levels. Zr content was varied from 0 through 10 mass % by five levels. Every alloy was fabricated by powder metallurgy processing, followed by forging. Ti-30Nb-10Ta-5Zr with single phase, which is a basic alloy composition, shows the lowest Young’s modulus. phase precipitation in phase has much greater effect on increasing Young’s modulus than phase precipitation in Ti-Nb-Ta-Zr quaternary alloys.