Comprehensive assessment of the CO2 laser cut quality of ceramics with different assist gas injection systems
Comprehensive assessment of the CO2 laser cut quality of ceramics with different assist gas injection systems
复制标题
DOI：
10.2351/1.1809633
复制
发表时间：
2004-12
影响因子：
2.1
通讯作者：
F. Quintero;J. Pou;F. Lusquiños;M. Boutinguiza;R. Soto;M. Pérez-Amor;F. Wagner
中科院分区：
文献类型：
--
作者：
F. Quintero;J. Pou;F. Lusquiños;M. Boutinguiza;R. Soto;M. Pérez-Amor;F. Wagner
当陶瓷材料的硬度使传统的加工方法无法生产时，CO2激光切割是一种高效且有利的加工方法。同时，激光切割在陶瓷上的应用涉及到对不同工艺参数的评估，以选择适合每种特定陶瓷的条件。本文对莫来石-氧化铝的CO2激光切割进行了全面的分析。以便于比较不同工艺参数和两种不同辅助气体喷射系统的切割效果为评价标准。为此，分析了一些定量标准参数（切口宽度、粗糙度、垂直度），并对一些特征进行了初步调查和热影响区的显微检查。结果表明，采用离轴De Laval喷嘴的辅助气体喷射系统可以改善切割质量。
CO2 laser cutting is an efficient and advantageous process for cutting of ceramics when the hardness of such materials makes the conventional machining methods unproductive. At the same time, the application of laser cutting to ceramics involves the assessment of the different process parameters to select the suitable conditions for every specific ceramic. In this work, a comprehensive analysis of the CO2 laser cutting of mullite-alumina is presented. The cut quality was assessed under the criterion of facilitate the comparison of the results obtained using different process parameters and two different assist gas injection systems. For this reason, some quantitative standard parameters were analyzed (kerf width, roughness, perpendicularity), besides of the preliminary survey of some features and the microscopic examination of the heat affected zone. The results demonstrate the improvement of the cut quality using an assist gas injection system based on an off-axis De Laval nozzle.