镀铝硅涂层汽车板激光清洗工艺
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摘要
为了探索激光清洗技术用于汽车板镀层材料焊前预处理的可行性及其工艺参数对焊缝质量的影响规律,为工业生产提供一定的参考,在镀Al-Si涂层试样件表面进行激光清洗预处理,并采用单激光自熔焊对接,通过对比激光清洗前后试样件的拉伸强度、焊缝表面形貌组织和杯突。研究结果表明,采用激光清洗可有效地清洗汽车板镀层,参数为激光功率P=50 W,清洗速度S=1～4 m/min,清洗次数N=2。激光清洗涂层保存20～21μm时自熔焊缝强度较高,可达母材强度的94%左右。激光清洗的生产效率较高,清洗速度可达4 min/件。
To research the effects of the pre-welding laser cleaning technology applied to the automobile plates coated with Al-Si covering, the Al-Si coating is cleaned firstly. And then the automobile plates are butt welded. Comparing with the tensile tests' outcomes of welding the laser power P=50 W, scanning speed S=1～4 m/min, scanning times N=2, which remains 20～21 μm coating thinckness. Meanwhile, the tensile strength of the welding line can satisfy 94% of the base metal, and as fast(4 min per component) as the efficiency could.
To research the effects of the pre-welding laser cleaning technology applied to the automobile plates coated with Al-Si covering, the Al-Si coating is cleaned firstly. And then the automobile plates are butt welded. Comparing with the tensile tests' outcomes of welding the laser power P=50 W, scanning speed S=1～4 m/min, scanning times N=2, which remains 20～21 μm coating thinckness. Meanwhile, the tensile strength of the welding line can satisfy 94% of the base metal, and as fast(4 min per component) as the efficiency could.
引文
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[2] 苏春洲,栾晓雨,王海军,等.激光清洗技术的初步研究和应用[J].科技资讯,2013(26):3-6.
[3] HEIDELMANN G.Lasers clean up[J].Industrial Laser Solutions,2009(2):9-12.
[4] PRANDONI S,SALVADEO P,CASTELLI P,et al.Industrial laser cleaning[J].Industrial Laser Solutions,2002(11):21-23.
[5] BUCHTER E.A green way to clean-laser cleaning[J].Laser Technik Journal,2012(5):36-38.
[6] 侯素霞,罗积军,徐军,等.军用装备的激光清洗技术应用研究[J].红外与激光工程,2007,(z1):625-628.
[7] 赵志明.激光清洗技术在微电子领域的应用[J].洗净技术,2004(8):29-34.
[8] 王泽敏,曾晓雁,黄维玲.激光清洗轮胎模具表面橡胶层的机理与工艺研究[J].中国激光,2000,27(11):1050-1054.
[9] 叶亚云,袁晓东,向霞,等.用激光清洗金膜表面硅油污染物[J].强激光与粒子束,2010,22(5):968-972.
[10] 齐扬,周伟强,陈静,等.激光清洗云冈石窟文物表面污染物的试验研究[J].安全与环境工程,2015,22(2):32-38.
[11] BELLI R,MIOTELLO A,MOSANER P,et al.Laser cleaning of ancient textiles[J].Applied Surface Science,2005,247(1-4):369-372.
[12] 朱玉峰,谭荣清.激光清洗应用于清除城市涂鸦[J].激光与红外,2011,41(8):840-844.
[13] LI XIAOGUANG,HUANG TINGTING,CHONG ANGWEI,et al.Laser cleaning of steel structure surface for paint removal and repaint adhesion[J].Opto-Electronic Engineering,2017,44(3):340-344.
[14] KONG D J ,FENG A X ,ZHANG Y K ,et al.Experiment study on CO2 laser cleaning rubber sulfuring mould[C]// Ico20:Lasers & Laser Technologies,International Society for Optics and Photonics,2006.
[15] BARBERIO M,BARONE P,STRANGES F,et al.Effect of laser ablation cleaning process on ceramic artifacts[J].Journal of Physical Science and Application,2013,3(4):224-228.
[16] ALEXANDROVA A,IGOREVICH B O,GUBSKIY K,et al.Laser cleaning of mirror surface for optical diagnostic systems of the international thermonuclear experimental reactor[J].Journal of Physical Science and Application,2013,3(1):1-8.
[17] 李国勇.耐热钢热浸镀Al-Si合金的工艺及组织研究[J].热加工工艺,2013,42(22):139-140 .
[18] 罗雅,王璇,赵慧峰,等.焊前激光清洗预处理对TC11钛合金焊接性能的影响[J].表面工程与再制造,2017,17(2):26-28.
[19] 高雯雯,郭亮,许佩吟.532 nm激光工艺参数对304不锈钢表面清洗的影响[J].应用激光,2016,36(2):199-204.
[20] 倪加明,管雅娟,胡明华,等.激光清洗阳极氧化膜对铝合金焊缝性能的影响分析[J].电焊机,2017,47(7):102-105.
[21] 董世运,宋超群,闫世兴,等.激光清洗预处理对7A52铝合金激光焊缝成形质量的影响[J].装甲兵工程学院学报,2017,31(4):100-105.
[22] 卢杰.焊材中Al、Cu元素对X80管线钢焊接接头组织与性能的影响[D].南充:西南石油大学,2015.