{"title":"Optimization of surface morphology and mechanism of liquid-assisted combined laser removal of surface rust on Q235 steel","authors":"Le Jin, Jixing Cai, BaiJie Zhang, Yubo Liu, Yue Zhou, Jingxuan Qiu","doi":"10.1016/j.optcom.2025.131496","DOIUrl":null,"url":null,"abstract":"<div><div>This study aimed to investigate the effect of liquid-assisted laser cleaning on the optimisation of surface morphology and the mechanism of combined laser removal of surface rust on a Q235 steel. A simulation model for liquid-assisted continuous nanosecond combined laser removal of surface rust on a Q235 steel has been developed to examine the effects of varying liquid thicknesses and energy densities on the temperature, removal morphology and stress of the rust layer. The results indicated that the cooling and protective effects of the liquid, along with the impact force generated by its evaporation, reduce the oxide content of the substrate surface and alleviate the formation of re-melted layers, resulting in a flat and smooth substrate. This study provides a theoretical and experimental basis for the application of liquid-assisted laser cleaning technology.</div></div>","PeriodicalId":19586,"journal":{"name":"Optics Communications","volume":"578 ","pages":"Article 131496"},"PeriodicalIF":2.2000,"publicationDate":"2025-01-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Optics Communications","FirstCategoryId":"101","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0030401825000240","RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"OPTICS","Score":null,"Total":0}
引用次数: 0
Abstract
This study aimed to investigate the effect of liquid-assisted laser cleaning on the optimisation of surface morphology and the mechanism of combined laser removal of surface rust on a Q235 steel. A simulation model for liquid-assisted continuous nanosecond combined laser removal of surface rust on a Q235 steel has been developed to examine the effects of varying liquid thicknesses and energy densities on the temperature, removal morphology and stress of the rust layer. The results indicated that the cooling and protective effects of the liquid, along with the impact force generated by its evaporation, reduce the oxide content of the substrate surface and alleviate the formation of re-melted layers, resulting in a flat and smooth substrate. This study provides a theoretical and experimental basis for the application of liquid-assisted laser cleaning technology.
期刊介绍：
Optics Communications invites original and timely contributions containing new results in various fields of optics and photonics. The journal considers theoretical and experimental research in areas ranging from the fundamental properties of light to technological applications. Topics covered include classical and quantum optics, optical physics and light-matter interactions, lasers, imaging, guided-wave optics and optical information processing. Manuscripts should offer clear evidence of novelty and significance. Papers concentrating on mathematical and computational issues, with limited connection to optics, are not suitable for publication in the Journal. Similarly, small technical advances, or papers concerned only with engineering applications or issues of materials science fall outside the journal scope.
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