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High-temperature erosion and its mechanisms of IN-738 superalloy under hot air jet conditions

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Abstract

IN738 alloy used extensively in turbine applications. This study work looks into the hot air jet erosive analysis on the IN-738. Various parameters were used to examine the erosion mechanistics on IN738. The erosive analysis were made using SEM images. At 45°, the principal erosion mechanisms of IN738 were lip formation and grooving. At a 90° impact angle, the main erosion mechanisms are lip extrusion, lip flattening, and platelet separation. As a result of these mechanisms, the particles energy is dissipated, increasing disintegration resistance. It is also clear that the chosen equations provide satisfaction for the current study.

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Authors and Affiliations

  1. Department of Mechanical Engineering, Amrita School of Engineering, Amrita Vishwa Vidyapeetham, Coimbatore, India

    Agnal Francis, K. G. Thirugnanasambantham, M. Venkata Roshan & M. Pavana Uddhava Kumar

  2. Department of Mechanical Engineering, Sree Vidyanikethan Engineering College, Tirupati, Andrapradesh, India

    R. Ramesh

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  1. Agnal Francis
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  2. K. G. Thirugnanasambantham
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Correspondence to K. G. Thirugnanasambantham.

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Francis, A., Thirugnanasambantham, K.G., Ramesh, R. et al. High-temperature erosion and its mechanisms of IN-738 superalloy under hot air jet conditions. Int J Interact Des Manuf (2022). https://doi.org/10.1007/s12008-022-01013-w

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