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Because of exceptional properties, such-as high unique strength, excellent flexural strength, easy manufacturing and light-in-weight, aluminium alloys and composites are prominently used in the automotive, aerospace and manufacturing industries. Surface treatment appears to be of great significance for the physico-chemical characteristics of metals and alloys, even when their long-term performance has been significantly reduced by wear resistance, and dimensional stability. Laser treatment for an alloy's surface morphology becomes one of the most appropriate and efficient ways of producing accurate microstructures by quick heating and cooling methods. The effect of different input processing factors, including the laser power and scanning speed, on different composite materials such as ceramics, metals, or alloys has greater improvements on the surface morphologies when laser-treated. Delamination removal of such coatings from the substratum is often possible due to the difference in the elastic attachment of film to the substratum connected with the above processes. It is presented in this paper that, the laser treatment impact on surface properties of Al alloys and composites in detail. Besides this, the key challenges have been addressed through laser surface treatment as well as the associated consequences and trends are foreseen with this article that also concludes the directions for future research. |
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