中国激光, 2019, 46 (1): 0102005, 网络出版: 2019-01-27
2219铝合金阳极氧化膜焊前激光清洗工艺研究 下载: 1392次
Laser Cleaning Process of 2219 Aluminum Alloy Anodic Oxide Film Before Welding
激光技术 激光清洗 阳极氧化膜 清洗速度阈值 作用机理 laser technique laser cleaning anodic oxide film cleaning rate threshold processing mechanism
摘要
采用激光清洗技术对2219铝合金硫酸阳极氧化膜进行清洗, 研究了清洗速度对阳极氧化膜去除效果的影响; 对清洗后的铝合金进行焊接试验, 以验证焊前激光清洗工艺的可行性; 最后分析了激光清洗阳极氧化膜的机理和特性。结果表明:2219铝合金在焊前通过激光清洗后可获得外观和内部质量良好的焊接接头; 2219铝合金阳极氧化膜激光清洗速度的阈值为1079 mm·min-1; 激光清洗去除2219铝合金阳极氧化膜的机制主要为爆炸和气化, 并存在部分弹性震动剥离机制。
Abstract
The laser cleaning technology is utilized to clean anodic oxide film of 2219 aluminum alloy before welding and the effect of cleaning speed on removal effect is studied. In order to verify the feasibility of laser cleaning, we perform the welding experiments on the cleaned aluminum alloy. At last, the mechanism and characteristic of laser cleaning are analyzed. Results indicate that 2219 aluminum alloy can obtain good appearance and internal quality after laser cleaning. The laser cleaning rate threshold is 1079 mm·min-1. The main mechanisms of laser cleaning of 2219 aluminum alloy anodic oxide film are evaporation and explosion, and also accompany with some elastic vibration stripping.
夏佩云, 尹玉环, 蔡爱军, 黄征, 李丹, 包云峰, 封小松. 2219铝合金阳极氧化膜焊前激光清洗工艺研究[J]. 中国激光, 2019, 46(1): 0102005. Xia Peiyun, Yin Yuhuan, Cai Aijun, Huang Zheng, Li Dan, Bao Yunfeng, Feng Xiaosong. Laser Cleaning Process of 2219 Aluminum Alloy Anodic Oxide Film Before Welding[J]. Chinese Journal of Lasers, 2019, 46(1): 0102005.