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Theoretical and experimental studies on the characteristics of the energy absorbtion of the metal in laser processing

Liu Ginshou Qiu Ruiqin Xu Guochang (Department of Electron Engineering,Southeast University, Nanjing 210018)  
An investigationwas made of the dependences of the characteristics of the energy absorbtion for metal surface on the properties of the target material,wavelength of the laser radiation,polarization and the surface state in laser processing,Laser plasma thermodynamics was discussed. The energy absorptivity of metal surface is considerably increased to abopt graphite coating or manganese phosphate coating in experiment.
【CateGory Index】: TG665
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