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不同激光清洗方法对高强钢表面锈蚀层的去除研究

Elimination of Rusting Layer from High-Strength Steel Surface Using Different Laser Cleaning Methods

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摘要

采用干式/液膜辅助式激光清洗方法对高强钢表面的锈蚀层进行处理,研究了激光功率对试样表面状态的影响规律,并对两种方法的除锈机理进行了对比分析。结果表明:两种清洗方法都能有效去除试样表面的锈蚀层,且低功率下液膜辅助式激光清洗效果比干式激光清洗效果更好。优化的液膜辅助式激光除锈工艺参数为:激光功率400 W,脉冲频率10 kHz,脉宽30 ns,此时试样表面氧元素的质量分数为3.38%,试样的表面粗糙度为3.04 μm。

Abstract

We investigate dry and liquid film-assisted laser cleaning methods and elucidate the influence of laser power on the state of a specimen surface. We also compare the derusting mechanisms of the two methods. The results denote that both the aforementioned methods can effectively eliminate the rusting layer on a sample surface,and the effect of liquid film-assisted laser cleaning at low power is better than that of the dry laser cleaning. The optimized liquid film-assisted laser cleaning process parameters include a laser power of 400 W, pulse frequency of 10 kHz, and pulse width of 30 ns. Under these conditions, the oxygen content of the sample surface is reduced to 3.38%,and the surface roughness is observed to be 3.04 μm.

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DOI:10.3788/CJL201946.0702003

所属栏目:激光制造

基金项目:国家重点研发项目;

收稿日期:2018-12-27

修改稿日期:2019-03-04

网络出版日期:2019-07-01

作者单位    点击查看

雷正龙:哈尔滨工业大学先进焊接与连接国家重点实验室, 黑龙江 哈尔滨 150001
孙浩然:哈尔滨工业大学先进焊接与连接国家重点实验室, 黑龙江 哈尔滨 150001
陈彦宾:哈尔滨工业大学先进焊接与连接国家重点实验室, 黑龙江 哈尔滨 150001
田泽:哈尔滨工业大学先进焊接与连接国家重点实验室, 黑龙江 哈尔滨 150001

联系人作者:陈彦宾( chenyb@hit.edu.cn)

备注:国家重点研发项目;

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引用该论文

Zhenglong Lei, Haoran Sun, Yanbin Chen, Ze Tian. Elimination of Rusting Layer from High-Strength Steel Surface Using Different Laser Cleaning Methods[J]. Chinese Journal of Lasers, 2019, 46(7): 0702003

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[J]. 中国激光, 2019, 46(7): 0702003

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