摘要
CO2脉冲激光加工陶瓷温度场的仿真为陶瓷加工形貌预测提供了一种有效的方法。利用ANSYS生死单元模拟了工件材料的动态去除,实现了传统陶瓷激光加工温度场和加工形貌预测的仿真建模。并基于3因素4水平的正交实验设计,对比仿真与实验的宽度、深度形貌数据,其实验值与模拟值的绝对误差在±0.05mm,从而验证了温度场有限元模型的有效性。通过极差分析探究了功率、扫描速度、重复频率工艺参数对加工深度的影响关系,并获得单层单道最大加工深度为0.375 mm。
The simulation of the temperature field is an effective way to predict the morphology of the ceramics processed with CO2 pulsed laser.The dynamic removal of the work piece materials was simulated by using the birth-death unit of ANSYS,realizing the simulation of the temperature field and the shape prediction for the processing of traditional ceramic laser.Based on the design of the 3 factor and 4 level orthogonal experiment,by comparing the width and depth of the morphological data between the simulation and experiment,the absolute error between the experimental and simulated values was controlled to be±0.05 mm,which verifies the validity of the finite element model of the temperature field.The influences of the process parameters,such as power,scanning speed and repeat frequency,on the processing depth were analyzed by using the polar analysis method,so that a single-layer single-track maximum machining depth of 0.375 mm could be achieved.
作者
冯运亨
韩文
徐盼
徐磊
于盛睿
FENG Yunheng;HAN Wen;XU Han;XU Lei;YU Shengrui(Jingdezhen Ceramic Institute,Jingdezhen 333403,Jiangxi,China)
出处
《陶瓷学报》
CAS
北大核心
2020年第2期272-277,共6页
Journal of Ceramics
基金
江西省科技厅火炬计划(20151BBE21066)。
关键词
陶瓷
CO2脉冲激光
生死单元
有限元
温度场
ceramics
CO2 pulse laser
birth-death elements
finite element
temperature field
作者简介
通信联系人:韩文(1969-),男,博士,教授。E-mail:hanwenjdz@l63.com。
