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Fabricating Functional Ti-Alloy Biomedical Implants by Additive Manufacturing Using Electron Beam Melting | OMICS International | Abstract
ISSN: 2155-952X

Journal of Biotechnology & Biomaterials
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Research Article

Fabricating Functional Ti-Alloy Biomedical Implants by Additive Manufacturing Using Electron Beam Melting

Lawrence E Murr1,2*, Sara M Gaytan1,2, Edwin Martinez1,2, Frank R Medina2 and Ryan B Wicker2

1Department of Metallurgical and Materials Engineering, The University of Texas at El Paso, El Paso, TX 79968, USA

2W. M. Keck Center for 3D Innovation, The University of Texas at El Paso, El Paso, TX 79968, USA

Corresponding Author:
Dr. Lawrence E Murr
Department of Metallurgical and Materials Engineering
The University of Texas at El Paso
El Paso, TX 79968, USA
Tel: +915-747-6929
Fax: +915-747-8036
E-mail: [email protected]

Received date: March 07, 2012; Accepted date: March 24, 2012; Published date: March 26, 2012

Citation: Murr LE, Gaytan SM, Martinez E, Medina FR, Wicker RB (2012) Fabricating Functional Ti-Alloy Biomedical Implants by Additive Manufacturing Using Electron Beam Melting. J Biotechnol Biomaterial 2:131. doi:10.4172/2155-952X.1000131

Copyright: © 2012 Murr LE, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Abstract

A wide range of biocompatible and biofunctional implant devices from dental screw posts to porous hip stems designed for stress compatibility, cementless fixation by bone cell ingrowth, and long-term infection defense employing antibacterial, nanoparticulate silver are illustrated in this review of contemporary biomaterial appliances. Emphasis is placed on Ti-6Al-4V, but new alloys providing low Young’s modulus for stress-shielding reduction as well as Co-base alloys are highlighted. Open-cellular structure monoliths fabricated by additive manufacturing using electron beam melting are illustrated along with observations of their microstructures observed by light optical and electron microscopies and associated mechanical properties; including hardness, tensile and fatigue strength.

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