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Surface Modification of Al–4.5%Cu/MoS2 Composites by Laser Surface Melting

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Manufacturing Engineering

Part of the book series: Lecture Notes on Multidisciplinary Industrial Engineering ((LNMUINEN))

Abstract

In this research work, aluminum composites were prepared with Al–4.5%Cu alloy as a matrix with 2 and 4 wt% of MoS2 as reinforcement. The composites were prepared using stir casting method. Surfaces of the composites were melted using a CO2 laser beam. Microstructure and micro-hardness of the laser melted surfaces were studied. Results of the composites after laser surface melting (LSM) were compared with the as-cast surface. Grain refinement was observed after LSM, and porosity was minimized. The micro-hardness was improved remarkably by LSM. LSM can be conveniently applied to enhance the surface properties of the aluminum composites.

Note: Praveen Kumar Bannaravuri was at IIT Guwahati, from August 2019 shifted to Karunya Institute of Science and Technology, Coimbatore-641114.

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Acknowledgements

The last author would like to acknowledge the DST-FIST scheme of India that enabled him to procure CO2 laser facility. First author, Dr. B. Praveen Kumar worked as a full time Post-Doctoral Fellow under the supervision of the last authors. Both the first and last authors thank Indian Institute of Technology Guwahati for facilitating this research. Stir casting was carried out by the first author under the supervision of the second author. The first and the second authors acknowledge the support provided by National Institute of Technology Manipur.

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Authors and Affiliations

  1. Department of Mechanical Engineering, Indian Institute of Technology Guwahati, Guwahati, Assam, 781039, India

    Praveen Kumar Bannaravuri & Uday S. Dixit

  2. Department of Mechanical Engineering, Karunya Institute of Science and Technology, Coimbatore, 641114, India

    Praveen Kumar Bannaravuri

  3. Department of Mechanical Engineering, National Institute of Technology Manipur, Manipur, Imphal, 795004, India

    Anil Kumar Birru

Authors
  1. Praveen Kumar Bannaravuri
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  2. Anil Kumar Birru
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  3. Uday S. Dixit
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Corresponding author

Correspondence to Praveen Kumar Bannaravuri .

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Editors and Affiliations

  1. School of Mechanical, Industrial and Aeronautical Engineering, University of Witwatersrand, Johannesburg, Gauteng, South Africa

    Vishal S. Sharma

  2. Department of Mechanical Engineering, Indian Institute of Technology Guwahati, Guwahati, Assam, India

    Uday S. Dixit

  3. Department of Mechanical and Industrial Engineering, Norwegian University of Science and Technology, Trondheim, Norway

    Knut Sørby

  4. Department of Industrial and Production Engineering, Dr. B. R. Ambedkar National Institute of Technology, Jalandhar, Punjab, India

    Arvind Bhardwaj

  5. Department of Industrial and Production Engineering, Dr. B. R. Ambedkar National Institute of Technology, Jalandhar, Punjab, India

    Rajeev Trehan

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Bannaravuri, P.K., Birru, A.K., Dixit, U.S. (2020). Surface Modification of Al–4.5%Cu/MoS2 Composites by Laser Surface Melting. In: Sharma, V., Dixit, U., Sørby, K., Bhardwaj, A., Trehan, R. (eds) Manufacturing Engineering . Lecture Notes on Multidisciplinary Industrial Engineering. Springer, Singapore. https://doi.org/10.1007/978-981-15-4619-8_10

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  • DOI: https://doi.org/10.1007/978-981-15-4619-8_10

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-15-4618-1

  • Online ISBN: 978-981-15-4619-8

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