Removing paint from a metal substrate using a flattened top laser

In this paper,we investigate laser cleaning using a flattened top laser to remove paint coating from a metal substrate.Under the irradiation of a flattened top laser,the coating paint of the metal substrate can be removed efficiently by laser induced ablation,stress,and displacement force.The temper...

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Bibliographic Details
Published in:Chinese physics B 2012-10, Vol.21 (10), p.295-301
Main Author: 施曙东 李伟 杜鹏 王萌 宋峰 刘淑静 陈念江 赵鸿 杨文是
Format: Article
Language:English
Subjects:
Cleaning
Coating
Flattening
Lasers
Mathematical analysis
Paints
Protective coatings
位移计算
扁平
有限元分析
油漆涂层
激光去除
激光清洗
金属基板
顶部
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Summary:In this paper,we investigate laser cleaning using a flattened top laser to remove paint coating from a metal substrate.Under the irradiation of a flattened top laser,the coating paint of the metal substrate can be removed efficiently by laser induced ablation,stress,and displacement force.The temperature distribution,stress,and displacement are calculated in the coating layer and substrate using finite element analysis.The effects of a Gaussian laser and a flattened top laser and the results of different diameters of laser spot are compared.The investigation shows that the flattened top laser can reduce the substrate damage and enhance the cleaning efficiency.This method meets the need of large area industrial cleaning applications by optimizing the flattened top laser parameters.
ISSN:1674-1056
2058-3834
1741-4199
DOI:10.1088/1674-1056/21/10/104209