Weld deposition of nickel on titanium for surface hardening with Ti-Ni-based intermetallic compounds

Peddiraju, Vivek Chaitanya and Suryakumar, S and Chatterjee, Subhradeep and et al, . (2019) Weld deposition of nickel on titanium for surface hardening with Ti-Ni-based intermetallic compounds. In: International Conference on Materials and Manufacturing Methods (3M ), 5-7 July 2019, Trichy, India. (In Press)

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Abstract

Despite its excellent bulk mechanical properties, titanium performs poorly in tribological applications. Efforts to overcome this shortcoming have focused mainly surface modification using laser cladding with ceramic additives or intermetallic compounds (IMCs) formed during cladding. We present an alternative method using weld deposition for the production of IMC-based hard surface layer on titanium using gas metal arc welding (GMAW) with nickel as the filler wire. We observe formation of different Ti-Ni based IMCs (Ti2Ni, NiTi and Ni3Ti) in the fusion zone which results in considerable hardening of the surface. Microstructural characterization of the deposited samples give insight into the formation of IMCs.

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IITH Creators:
IITH CreatorsORCiD
Suryakumar, SUNSPECIFIED
Chatterjee, Subhradeephttp://orcid.org/0000-0002-4686-6593
Item Type: Conference or Workshop Item (Paper)
Subjects: Materials Engineering > Materials engineering
Divisions: Department of Material Science Engineering
Department of Mechanical & Aerospace Engineering
Depositing User: Team Library
Date Deposited: 30 Dec 2019 09:26
Last Modified: 30 Dec 2019 09:26
URI: http://raiith.iith.ac.in/id/eprint/7279
Publisher URL: http://doi.org/10.1016/j.matpr.2019.09.075
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