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The present work investigated the dry sliding wear behavior of gamma titanium aluminide (γ-TiAl) alloy deposited by electron beam melting (EBM) additive manufacturing technique. The wear-testing parameters used are applied… Click to show full abstract
The present work investigated the dry sliding wear behavior of gamma titanium aluminide (γ-TiAl) alloy deposited by electron beam melting (EBM) additive manufacturing technique. The wear-testing parameters used are applied load and sliding velocity, with a constant sliding distance. The wear behavior of commercially available Ti–6Al–4V and Inconel 718 was also investigated for the comparative purpose. Results revealed that EBM-additive-manufactured γ-TiAl showed superior metallurgical bonding within the consecutive layers and formation of phases like γ, α 2 , and β which improved the microhardness and wear resistance compared with conventionally fabricated Ti–6Al–4V and Inconel 718, and EBM-additive-manufactured γ-TiAl showed higher wear resistance.
Journal Title: Transactions of the Indian Institute of Metals
Year Published: 2020
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