Laser-interference pulse number dependence of surface chemistry and sub-surface microstructure of AA2024-T3 alloy

•Surface chemistry of aluminum alloy after two-beam laser interference processing.•Dissolution of CuMn-rich precipitates over 500–800 nm depth due to laser processing.•Sharp features from rolled sheet surface were smoothed by laser-structuring.•Al oxide layer is modified compared to that of the base...

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Veröffentlicht in:	Optics and laser technology 2020-11, Vol.131 (C), p.106457, Article 106457
Hauptverfasser:	Sabau, Adrian S., Meyer, Harry M., Leonard, Donovan N.
Format:	Artikel
Sprache:	eng
Schlagworte:	Alloys Aluminum Aluminum base alloys Corrosion prevention Corrosion resistance Dissolution Environmental management Hazardous wastes Interference Laser Laser applications Laser beams Laser interferometry Laser processing Lasers Metal surfaces Microstructure Neodymium lasers Photoelectrons Precipitates Scanning electron microscopy Scanning transmission electron microscopy Semiconductor lasers Surface chemistry Surface defects Surface preparation Topology Waste management X-ray spectroscopy YAG lasers
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