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Effect of boron addition and processing of Ti-6Al-4V on corrosion behaviour and biocompatibility

Bahl, S and Raj, S and Vanamali, S and Suwas, S and Chatterjee, K (2014) Effect of boron addition and processing of Ti-6Al-4V on corrosion behaviour and biocompatibility. In: MATERIALS TECHNOLOGY, 29 (B1, SI). B64-B68.

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Official URL: http://dx.doi.org/10.1179/1753555713Y.0000000118


Ti-6Al-4V is widely used to prepare biomedical implant for orthopaedic and dental applications, but it is an expensive choice relative to other implant materials such as stainless steels and Co-Cr alloys, in large part due to the high manufacturing cost. Adding boron to refine the as cast microstructure of Ti-6Al-4V can eliminate the need for extensive hot working and thereby reduce processing costs. The effect of 0.1 wt-% boron addition and the choice of processing route (forging or extrusion) was studied in the context of potential biomedical applications. Corrosion tests in simulated body fluid indicated that the presence of boron increased the corrosion rate of Ti-6Al-4V and that the increase was higher for forged alloys than for extruded alloys. Boron addition and processing route were found to have a minimal effect on the viability of osteoblasts on the alloy surfaces. It is concluded that the addition of boron could offer advantages during the processing of Ti-6Al-4V for biomedical applications.

Item Type: Journal Article
Additional Information: Copyright for this article belongs to the MANEY PUBLISHING England
Keywords: Ti-6Al-4V; Biomaterials; Corrosion; Osteoblasts
Department/Centre: Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Date Deposited: 16 Jul 2014 09:15
Last Modified: 16 Jul 2014 09:15
URI: http://eprints.iisc.ac.in/id/eprint/49460

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