电解液流体辅助激光打孔温度场仿真  

The Electrolyte Fluid Assisted Laser Drilling Temperature Field Simulation

作　　者：宋义知 何利[1] 周继鹏[1] 常偊舶 

机构地区：[1]沈阳理工大学机械工程学院,辽宁沈阳110159

出　　处：《成组技术与生产现代化》2016年第2期48-53,共6页Group Technology & Production Modernization

基　　金：国家自然科学基金资助项目(61170146)

摘　　要：根据电解液流体辅助激光打孔加工的特点,建立了加工过程的热力学模型,模型考虑了激光束空间分布和材料相变潜热对孔的影响,给出了小孔的温度场瞬态分布和界面演化过程.在应用ANSYS有限元软件中重启动及生死单元技术并结合APDL语言编程的基础上进行了打孔过程的温度场仿真分析,给出了不同工艺参数对孔形的影响规律,为实际电解液流体辅助激光打孔实验选择最优工艺参数提供了理论参考.Electrolyte fluid assisted laser drilling process is not only complex,, but also incluenced by many factors. This article established the processing thermodynamics mod- el according to the characteristics of the electrolyte fluid as- sisted laser punching processing. The model considers the influence of the spatial distribution of laser beam and materi- al phase change latent heat on the hole and shows the transi- ent temperature field distribution and interface evolution process. Besides, analyzing temperature field simulation ap- plying restart and life b- death unit technology of ANSYS fi- nite element software combining APDL programming lan- guage and put forward the influence rule of different techno- logical parameter to the shape of the holes to provide theoretical references for the actual electrolyte fluid assisted laser drilling experiment to select the optimal process parameters.

关 键 词：电解液流体辅助激光加工 重启动 生死单元 温度场 工艺参数 

分 类 号：TG485[金属学及工艺—焊接]