Laser Shock Peening and Mechanical Shot Peening Processes Applicable for the Surface Treatment of Technical Grade Ceramics: A Review

Pratik Shukla, Philip Swanson, Colin Page

    Research output: Contribution to journalArticlepeer-review

    63 Citations (Scopus)
    796 Downloads (Pure)

    Abstract

    Laser shock peening and conventional mechanical shot peening are both comparable processes generally applicable to surface treat various metals and alloys. Commercial advantages offered by the laser systems such as flexibility, deep penetration of laser-induced shocks with precise control of the thermal pulses, shorter process times, high speeds, accuracy and aesthetics are attractive in comparison with the mechanical shot peening technique. Laser shock peening in the recent years has proved to be successful with steels, aluminium and titanium surfaces and metallic alloys in general. Nevertheless, minimal research has been conducted on laser shock peening and mechanical shot peening of technical grade ceramics. This article presents an update of the theory and to-date relevant literature within the two subject areas, as well as a comparison and a contrast between the mechanical and laser shock peening techniques. In addition, various gaps in knowledge are identified to propose further research for the development of both the techniques applicable to the surface treatment of technical grade ceramics.
    Original languageEnglish
    Pages (from-to)639-652
    Number of pages14
    JournalProceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture
    Volume228
    Issue number5
    Early online date5 Dec 2013
    DOIs
    Publication statusPublished - 1 May 2014

    Keywords

    • Lasers
    • shock
    • shot
    • peening
    • ceramics
    • surface treatment

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