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针对激光切割陶瓷产生的重铸层和裂纹，设计了超音速喷嘴，采用侧吹高速辅助气流与同轴切割气流复合技术，研究了激光加工工艺参数对重铸层及裂纹的影响规律，开发了获得最小重铸层厚度和裂纹长度的高效率激光切割方法
Aiming at recast layer and cracks produced by laser cutting ceramic, a supersonic nozzle was designed. The combination of side-blown high-speed auxiliary airflow and coaxial cutting airflow was used to study the influence of laser processing parameters on recast layer and crack. High-efficiency laser cutting method to obtain minimum recast layer thickness and crack length