The Surface Properties of an Aviation Aluminum Alloy after Laser Cleaning
Source abstract
Abstract
In this study, we explored the effects of a laser cleaning process on the surface properties of an aerospace aluminum alloy. We performed surface cleaning on an AA2024 aluminum alloy. Through SEM and EDS analyses on the surface of the aluminum alloy samples after cleaning, the cleaning effect on the aluminum alloy under different laser energy densities was studied. After laser cleaning, residual stress, hardness, friction, and wear tests were performed on the aluminum alloy samples. The experimental results demonstrated that the oxides on the surface of AA2024 could be effectively removed when the laser energy density was 10.5 J/cm2. With an increase in the laser energy density, the friction and wear properties of the AA2024 surface could be improved. Laser cleaning could also generate a new hardened layer and residual tensile stress on the surface of AA2024. This article provides a reference for applying laser cleaning in the aerospace field by studying the structure and mechanical properties of an aluminum alloy after laser cleaning.
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Research context
OpenAlex topics: Laser Material Processing Techniques · Additive Manufacturing Materials and Processes · Laser-induced spectroscopy and plasma
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Key Laboratory of High Efficiency and Clean Mechanical Manufacture, Ministry of Education, School of Mechanical Engineering, Shandong University, Jinan 250061, China
National Demonstration Center for Experimental Mechanical Engineering Education, Shandong University, Jinan 250061, China
Laser Institute, Qilu University of Technology (Shandong Academy of Sciences), 3501 Daxue Road, Jinan 250100, China
Shandong Qiangyuan Laser of Sdiit Ltd., Changqing District, Jinan 250014, China
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