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Hybrid additive manufacturing using cold spraying and friction stir processing

Kar, A and Kumar, S and Singh, K (2023) Hybrid additive manufacturing using cold spraying and friction stir processing. [Book Chapter]

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Official URL: https://doi.org/10.1201/9781032616025-2


Hybrid additive manufacturing processes, such as combining cold spray and friction stir processing, have been the subject of significant attention for applications like repair, additive manufacturing, and the development of new coating technologies. These processes offer advantages as they are solid-state, and therefore avoid solidification-related defects. Cold spray produces a thin coating with uniform particle distribution and microstructural homogeneity, especially in metal matrix composites. Friction stir processing uses plastic deformation to consolidate the cold spray structure, transforming it into a high-density material with improved structural integrity and mechanical properties. This hybrid process reduces residual stress and refines the grain structure through severe shear deformation and dynamic recrystallization, leading to improved mechanical properties. The developed structure resulting from this hybrid process holds significant potential in the aerospace, bio-printing, automobile, and related industries. This chapter provides a detailed understanding of the process, the mechanism of microstructure evolution, and the resulting improved mechanical properties. It also reviews the application of this hybrid process in different materials. Finally, the chapter discusses the challenges and future directions for this promising hybrid process. © 2024 selection and editorial matter, Amlan Kar and Zafar Alam, individual chapters.

Item Type: Book Chapter
Publication: Solid State Additive Manufacturing
Publisher: CRC Press
Additional Information: The copyright for this article belongs to Authors.
Department/Centre: Division of Electrical Sciences > Electrical Engineering
Date Deposited: 18 Mar 2024 05:23
Last Modified: 18 Mar 2024 05:23
URI: https://eprints.iisc.ac.in/id/eprint/84314

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