Laser-induced breakdown spectroscopy based on corrosion transfer methods: a reliable strategy for quantitative analysis of intergranular corrosion susceptibility in aluminum alloys

Key Points

• Assess intergranular corrosion susceptibility in Al-Mg alloys using laser-induced breakdown spectroscopy.
• Utilized corrosion transfer methods and laser-induced breakdown spectroscopy for analysis in aluminum alloys.
• Focused on Al-Mg alloys' sensitization during thermal exposure.
• Identified the relationship between grain boundary β-phase precipitation and corrosion susceptibility.
• Demonstrated the effectiveness of this method for reliable quantitative analysis of intergranular corrosion.