具有生物医学应用潜力的纳米结构钛基多组分合金。
Nanostructured Ti-based multi-component alloys with potential for biomedical applications.
作者信息
He G, Eckert J, Dai Q L, Sui M L, Löser W, Hagiwara M, Ma E
机构信息
IFW Dresden, Institut für Metallische Werkstoffe, Postfach 270016, Dresden D-01171, Germany.
出版信息
Biomaterials. 2003 Dec;24(28):5115-20. doi: 10.1016/s0142-9612(03)00440-x.
A group of Ti(60)Cu(14)Ni(12)Sn(4)M(10) (M=Nb, Ta, Mo) alloys was prepared using arc melting and copper mold casting. The as-prepared alloys have a composite microstructure containing a micrometer-sized dendritic beta-Ti(M) phase dispersed in a nanocrystalline matrix. These new alloys exhibit a low Young's modulus in the range of 59-103 GPa, and a high yield strength of 1037-1755 MPa, together with large plastic strains. The combination of high strength and low elastic modulus offers potential advantages in biomedical applications.
采用电弧熔炼和铜模铸造制备了一组Ti(60)Cu(14)Ni(12)Sn(4)M(10)（M = Nb、Ta、Mo）合金。所制备的合金具有复合微观结构，其中微米级树枝状β-Ti(M)相分散在纳米晶基体中。这些新型合金的杨氏模量较低，在59-103 GPa范围内，屈服强度较高，为1037-1755 MPa，同时具有较大的塑性应变。高强度和低弹性模量的结合在生物医学应用中具有潜在优势。
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