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2219铝合金阳极氧化膜焊前激光清洗工艺研究

Laser Cleaning Process of 2219 Aluminum Alloy Anodic Oxide Film Before Welding

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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.

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中图分类号:O436

DOI:10.3788/cjl201946.0102005

所属栏目:激光制造

基金项目:国家重点研发计划“增材制造与激光制造”重点专项(2016YFB1102100)、上海市青年科技启明星计划(17QB1401500)

收稿日期:2018-07-04

修改稿日期:2018-08-14

网络出版日期:2018-09-26

作者单位    点击查看

夏佩云:上海航天设备制造总厂有限公司国防工业特种焊接技术创新中心, 上海 200245
尹玉环:上海航天设备制造总厂有限公司国防工业特种焊接技术创新中心, 上海 200245
蔡爱军:上海航天设备制造总厂有限公司国防工业特种焊接技术创新中心, 上海 200245
黄征:上海航天设备制造总厂有限公司国防工业特种焊接技术创新中心, 上海 200245
李丹:上海航天设备制造总厂有限公司国防工业特种焊接技术创新中心, 上海 200245
包云峰:上海航天设备制造总厂有限公司国防工业特种焊接技术创新中心, 上海 200245
封小松:上海航天设备制造总厂有限公司国防工业特种焊接技术创新中心, 上海 200245

联系人作者:夏佩云(xpypei@126.com)

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引用该论文

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

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

被引情况

【1】 雷正龙, 孙浩然, 陈彦宾, 田泽. 不同激光清洗方法对高强钢表面锈蚀层的去除研究. 中国激光, 2019, 46(7): 702003--1

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