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Tribological Behavior of Additive Manufactured γ-TiAl by Electron Beam Melting

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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, α2, 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.

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Authors and Affiliations

  1. Department of Production Engineering, National Institute of Technology, Tiruchirappalli, Tamil Nadu, 620015, India

    G. V. Krishna Pradeep & Muthukannan Duraiselvam

  2. Department of Metallurgical and Materials Engineering, National Institute of Technology, Tiruchirappalli, Tamil Nadu, 620015, India

    Katakam Siva Prasad

  3. Department of Mechanical Engineering, University of Sheffield, Sheffield, UK

    Ashfaq Mohammad

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  1. G. V. Krishna Pradeep
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  2. Muthukannan Duraiselvam
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  3. Katakam Siva Prasad
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  4. Ashfaq Mohammad
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Correspondence to Muthukannan Duraiselvam.

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Pradeep, G.V.K., Duraiselvam, M., Prasad, K.S. et al. Tribological Behavior of Additive Manufactured γ-TiAl by Electron Beam Melting. Trans Indian Inst Met 73, 1661–1667 (2020). https://doi.org/10.1007/s12666-020-01950-8

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  • DOI: https://doi.org/10.1007/s12666-020-01950-8

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