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Three Dimensional Laser Micro Machining of Ceramics

Lijun Li Jinsong Liu Xiangzhong Jin (Department of Mechanical Engineering, Hunan Univ, Changsha, 410082)  
Some basic aspects involved in laser micro machining of ceramics like material removal,surface integrity and dimensional precision are discussed. Higher surface integrity can be obtained whenmachined with an acousticoptical Q-switched pulse YAG laser. Dimensional precision can be improvedby using focal system with shorter focal depth, and lowering the power density at the focal spot justabove the threshold value of vaporization.
【CateGory Index】: TG669
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