应用激光, 2011, 31 (4): 285, 网络出版: 2011-10-11  

振镜扫描激光透射连接PET薄膜与316L不锈钢薄板

Galvanometer Scanning Laser Transmission Joining between PET Films and 316L Stainless Steel
作者单位
1 无锡职业技术学院机械技术学院, 江苏 无锡 214121
2 江苏大学机械工程学院, 江苏 镇江 212013
摘要
激光透射连接异种生物相容性材料在生物医学植入体中具有良好的应用前景。本文采用振镜扫描激光连接系统进行了0.1 mm聚对苯二甲酸乙二酯(PET)薄膜与 0.1 mm 316L不锈钢薄板之间的激光透射连接试验。采用开环控制和闭环控制分析温度对连接质量的影响, 使用光学显微镜对接头形貌进行观测。开环控制得到了激光透射连接过程的工艺参数窗口, 并通过高温计分析出获得较好连接质量时的温度范围; 在开环控制得到温度基础上采用闭环控制, 所得的试验结果证明振镜扫描系统中闭环控制在激光透射连接过程中能得到更好的连接质量, 更具有优势。
Abstract
Laser transmission joining of dissimilar and biocompatible materials has potential application in biomedical implants andtheir encapsulation process. In this research, 0.1 mm PET films and 0.1mm 316L stainless steel are joint using galvanometer scanninglaser transmission joining system. The effect of temperature on joint quality is investigated by using open-loop control and closed-loop control, the profiles of the joints were observed by optical microscopy. The process parameters windows of the laser transmissionjoining are obtained through open-loop control, the temperature range of getting better joint quality is analyzed by pyrometer. Usingclosed-loop control based on the temperature range of open-loop control, the better results can be obtained in closed-loop control ofgalvanometer scanning laser transmission joining system.

姜敏凤, 宋新华, 王凯, 张成, 张虎, 刘会霞. 振镜扫描激光透射连接PET薄膜与316L不锈钢薄板[J]. 应用激光, 2011, 31(4): 285. Jiang Minfeng, Song Xinhua, Wang Kai, Zhang Cheng, Zhang Hu, Liu Huixia. Galvanometer Scanning Laser Transmission Joining between PET Films and 316L Stainless Steel[J]. APPLIED LASER, 2011, 31(4): 285.

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