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Laser interaction with materials includes absorption, reflection, and scattering. Key processes like vaporization and melting occur due to high laser power density. Welding techniques involve keyhole formation and different modes of operation. Industrial lasers cover CO2, diode, and YAG types, suitable for cutting, welding, heat treatment, and micromachining in various materials with specific power ranges. Fiber lasers are used for thin metals and polymers. Pulsed laser welding is effective for small metal areas, while continuous wave (CW) is better for large surfaces. Laser powder bed fusion is used in additive manufacturing.
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- Laser-Thermal Modeling: Includes heat transfer, conduction, and radiation equations.
- Thermal Light Basics: Covers light-electricity conversion, photovoltaics, and laser power intensity.
- Laser-Material Interaction: Discusses absorption, reflection, scattering, and vaporization processes in materials.
- Fusion Cutting: Explains the interaction between laser beam and material, including keyhole formation and quality factors.
- Laser Welding: Describes different welding techniques, such as pulsed and continuous wave, with considerations for power density and spot size.
- Industrial Laser Sources: Covers various types of lasers like CO2, diode, and YAG, along with their applications in cutting, welding, and heat treatment.
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