Anand, Akrity and Das, Mitun and Kundu, Biswanath and Balla, Vamsi Krishna and Bodhak, Subhadip and Gangadharan, S (2017) Plasma-Sprayed Ti6Al4V Alloy Composite Coatings Reinforced with In Situ Formed TiB-TiN. Journal of Thermal Spray Technology, 26 (8). pp. 2013-2019. ISSN 1059-9630

PDF - Published Version Restricted to Registered users only Download (2042Kb) | Request a copy

Abstract

Plasma spraying was used to deposit premixed Ti6Al4V + 15 wt.% BN powder on titanium substrate to fabricate Ti6Al4V matrix composite coatings reinforced with in situ synthesized TiB-TiN. The formation of in situ TiB-TiN reinforcements increased with plasma power. The in situ reaction appears to be complete under present experimental conditions but with considerable oxidation of Ti in the composite coatings. The hardness of composite coatings was 7 times higher (855HV), and the in vitro wear rate (2.4 x 10(-5) mm(3)/N m) was one order of magnitude less than that of titanium substrate. However, the microstructural non-uniformity decreased the corrosion resistance of these composite coatings in Hank's balanced salt solution.

Item Type:	Article
Subjects:	Engineering Materials
Divisions:	Bioceramics & Coating
Depositing User:	Bidhan Chaudhuri
Date Deposited:	18 Jan 2018 10:40
Last Modified:	18 Jan 2018 10:40
URI:	http://cgcri.csircentral.net/id/eprint/3978

Actions (login required)

View Item