Laser cutting of metals is one of the most advanced thermal processing methods used in modern industry. It combines optical, thermodynamic, hydrodynamic, and metallurgical phenomena occurring over very short timescales and at a microscopic scale. Understanding the physics of the process enables optimization of technological parameters, improvement of edge quality, and increased production efficiency and stability. 1. Laser Beam Interaction with the Metal Surface Absorption and Reflection of Radiation When a laser beam strikes a metal surface, part of the energy is reflected and part is absorbed by the material….
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