Enhancing the Properties of Ti6Al4V as a Biomedical Material: A Review

V.E. Annamalai*, S. Kavitha, Sarah Ann Ramji
Department of Mechanical Engineering, SSN College of Engineering, Chennai 603110, India.

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© 2014 Annamalai et al;

open-access license: This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International Public License (CC-BY 4.0), a copy of which is available at: This license permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

* Address correspondence to this author at the Department of Mechanical Engineering, SSN College of Engineering, Chennai 603110, India; Tel: 09144-27474844; Fax: 09144-27475063; E-mail:


The alloy Ti6Al4V has evolved as a good biomedical material, by virtue of its bio-compatibility. In order to make implants out of this material, it has to be shaped and processed. Shaping this material by conventional manufacturing methods like machining, welding and brazing presents a huge challenge. This challenge has been met by various approaches like additive manufacturing, surface alloying and heat treatment. Additive manufacturing processes are used for shaping; coatings and surface alloying are used for property improvement; heat treatment is used for improving the machinability. The processing method has an impact on the final properties of the product. This review attempts to trace the development of methods and practices for converting Ti6Al4V into a useful material for biomedical applications.

Keywords: Biomaterial, biomaterial processing, biomaterial testing, property modification, Ti6Al4V.