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Cold Spray Coatings for Surface Enhancement of Inconel 718

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Proceedings of the 2nd International Conference on Advanced Surface Enhancement (INCASE 2021) (INCASE 2021)

Part of the book series: Lecture Notes in Mechanical Engineering ((LNME))

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Abstract

Cold spray is an emerging additive manufacturing technology that is promising to be used for surface repair and enhancement. In this study, Inconel 713 coating was successfully deposited on Inconel 718 substrate using a high-pressure cold spray process. The microstructure and hardness of the coating were studied. The cold sprayed Inconel 713 coating had a very low porosity level due to the severe plastic deformation of the splats. Hardness of the coating is much higher than that of Inconel 718 substrate. The regions closer to the substrate-coating interface in the coating showed higher hardness value compared to those located further away from the interface. This phenomenon can be attributed to the peening effect during high-velocity impact of Inconel 713 particles with the Inconel 718 substrate. This study demonstrates that cold sprayed coatings have the potential to increase surface hardness and further improve wear resistance of the Inconel 718 substrate.

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References

  1. ASTM International: ASTM E2109−01: Standard Test Methods for Determining Area Percentage Porosity in Thermal Sprayed Coatings, pp. 1–8. ASTM International, West Conshohocken (2014)

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Acknowledgements

The research was funded by National Research Foundation of Singapore, Rolls-Royce and Nanyang Technological University through research grant ARMS 1.1 (Advanced Metallization Coatings using Cold Spray).

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Authors and Affiliations

  1. Rolls-Royce@NTU Corporate Laboratory, Nanyang Technological University, 65 Nanyang Drive, Singapore, 637460, Singapore

    Kaiqiang Wu, Wen Sun, Adrian Wei-Yee Tan & Wei Zhou

  2. School of Mechanical and Aerospace Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore

    Kaiqiang Wu, Sin Wei Chee, Wen Sun, Adrian Wei-Yee Tan & Wei Zhou

  3. Rolls-Royce Singapore Pte. Ltd., 1 Seletar Aerospace Crescent, Singapore, 797575, Singapore

    Sung Chyn Tan

  4. Current Address: School of Engineering, University of Southampton Malaysia, 79200, Iskandar Puteri, Johor, Malaysia

    Adrian Wei-Yee Tan

Authors
  1. Kaiqiang Wu
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  2. Sin Wei Chee
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  3. Wen Sun
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  4. Adrian Wei-Yee Tan
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  5. Sung Chyn Tan
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  6. Wei Zhou
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Corresponding author

Correspondence to Wei Zhou .

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Editors and Affiliations

  1. Advanced Remanufacturing and Technology Centre, Singapore, Singapore

    Yuefan Wei

  2. Singapore Institute of Manufacturing Technology, Singapore, Singapore

    Shuyun Chng

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Wu, K., Chee, S.W., Sun, W., Tan, A.WY., Tan, S.C., Zhou, W. (2022). Cold Spray Coatings for Surface Enhancement of Inconel 718. In: Wei, Y., Chng, S. (eds) Proceedings of the 2nd International Conference on Advanced Surface Enhancement (INCASE 2021). INCASE 2021. Lecture Notes in Mechanical Engineering. Springer, Singapore. https://doi.org/10.1007/978-981-16-5763-4_35

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  • DOI: https://doi.org/10.1007/978-981-16-5763-4_35

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-16-5762-7

  • Online ISBN: 978-981-16-5763-4

  • eBook Packages: EngineeringEngineering (R0)

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