ABSTRACT

Laser shock peening (LSP) is a unique and efficient surface modification technique that surface engineers have commonly adopted to tailor metallic materials’ surface and subsurface properties. The primary goal of this review paper is to highlight LSP as a surface modification technique for materials used in aeroengine, as this further ameliorates the commercialization of LSP in aeroengine sectors. The recent research articles focused on the application of LSP to improve the surface characteristics (i.e. surface residual stresses, hardness) and to resist the corresponding service challenges (i.e. fatigue, wear) of the aeroengine metallic material have been reviewed. In addition, a brief explanation of LSP and its controlling parameters is included. From the aeroengines perspective, challenges and future aspects for improving LSP application and commercialization are summarised based on the authors’ experience and published literature.

摘要

激光冲击喷丸 (LSP) 是一种独特且高效的表面改性技术，表面工程师通常采用该技术来定制金属材料的表面和次表面性能。本文的主要目标是强调 LSP 作为航空发动机材料的表面改性技术，因为这进一步改善了 LSP 在航空发动机领域的商业化。最近的研究文章集中于LSP的应用来改善航空发动机金属材料的表面特性（即表面残余应力、硬度）并抵抗相应的使用挑战（即疲劳、磨损）。此外，还包括LSP及其控制参数的简要说明。从航空发动机的角度来看，