partly supported by National Natural Science Foundation of China(No.51175095);Guangdong Provincial Natural Science Foundation of China(No.10251009001000001);the Guangdong Provincial Project of Science and Technology Innovation of Discipline Construction,China(No.2013KJCX0063)
During deep penetration laser welding,there exist plume(weak plasma) and spatters,which are the results of weld material ejection due to strong laser heating.The characteristics of plume and spatters are related to ...
supported in part by National Natural Science Foundation of China (No.51175095);the Guangdong Provincial Natural Science Foundation of China (10251009001000001, 9151009001000020, 07001764);the Specialized Research Fund for the Doctoral Program of Higher Education of China (20104420110001)
High-speed photography was used to obtain the dynamic changes in the surface plasma during a high-power disk laser welding process. A color space clustering algorithm to extract the edge information of the surface pla...