Electron beam melted beta-type Ti-24Nb-4Zr-8Sn porous structures with high strength-to-modulus ratio

Document Type

Journal Article

Publication Title

Journal of Materials Science & Technology

Publisher

Elsevier

School

School of Engineering

RAS ID

21363

Comments

Liu, Y., Li, S., Hou, W., Wang, S., Hao, Y., Yang, R., . . . Zhang, L. C. (2016). Electron beam melted beta-type Ti–24Nb–4Zr–8Sn porous structures with high strength-to-modulus ratio. Journal of Materials Science & Technology, 32(6), 505-508. Available here

Abstract

Electron beam melting (EBM) has been used to manufacture β-type Ti-24Nb-4Zr-8Sn porous components with 70% porosity. EBM-produced components have favorable structural features (i.e. smooth strut surfaces, fewer defects) and an (α + β)-type microstructure, similar to that subjected to aging treatment. EBM-produced components exhibit more than twice the strength-to-modulus ratio of porous Ti-6Al-4V components having the same porosity. The processing-microstructure-property relationship and deformation behavior of EBM-produced components are discussed in detail. Such porous titanium components composed of non-toxic elements and having high strength-to-modulus ratio are highly attractive for biomedical applications.

DOI

10.1016/j.jmst.2016.03.020

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