Ablation characteristics and material removal mechanism of Invar 36 alloy under femtosecond laser irradiation

Key Points

• Ablation characteristics of Invar 36 alloy show significant variation with femtosecond laser parameters,
• Optimized pulse duration results in a material removal rate of 6.5 micrometers per pulse, indicating effective ablation process.
• Quantitative analysis using thermal dynamics modeling elucidates the material removal mechanisms driven by laser irradiation.
• Findings may enable improved precision in manufacturing processes that utilize femtosecond laser technology.