A study on the effect of ultrasonic vibration in nanosecond laser machining

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dc.contributor.authorKang, Bong-Chulko
dc.contributor.authorKim, Gun-Wooko
dc.contributor.authorYang, Min-Yangko
dc.contributor.authorCho, Sung-Hakko
dc.contributor.authorPark, Jong-Kweonko
dc.date.accessioned2013-03-12T15:23:11Z-
dc.date.available2013-03-12T15:23:11Z-
dc.date.created2012-10-30-
dc.date.created2012-10-30-
dc.date.issued2012-12-
dc.identifier.citationOPTICS AND LASERS IN ENGINEERING, v.50, no.12, pp.1817 - 1822-
dc.identifier.issn0143-8166-
dc.identifier.urihttp://hdl.handle.net/10203/102716-
dc.description.abstractLaser machining has been used in various industrial manufacturing fields. However the surface finish of a machined surface becomes degraded by the recast layer that is created by the agglomeration of nanoparticles re-deposited on a work surface. In this study, ultrasonic vibration was applied to a nanosecond laser machining process in order to improve the quality of machined surface. A resonance type ultrasonic vibration module was designed to realize a unidirectional motion. To investigate the effects of ultrasonic vibration on the work surface, the morphological change of particles re-deposited on the machined area was observed in various process conditions. The results showed that the surface finish was improved by the near-field surface cooling enhancement induced by ultrasonic vibration. And it was found that such a vibration effect was remarkable in a repetitive machining process. From the chemical composition analysis of a machined surface, it was verified that the vibration can prevent the surface oxidation and the formation of recast layer. As a result, the ultrasonic vibration in ns-laser machining process was effective for improving both the physical and chemical quality of a machined surface. (C) 2012 Elsevier Ltd. All rights reserved.-
dc.languageEnglish-
dc.publisherELSEVIER SCI LTD-
dc.subjectINDUCED DAMAGE-
dc.subjectNANOPARTICLE-
dc.subjectFEMTOSECOND-
dc.subjectABLATION-
dc.subjectTEMPERATURE-
dc.subjectFABRICATION-
dc.subjectDIELECTRICS-
dc.subjectPICOSECOND-
dc.subjectREDUCTION-
dc.subjectPARTICLES-
dc.titleA study on the effect of ultrasonic vibration in nanosecond laser machining-
dc.typeArticle-
dc.identifier.wosid000308840200021-
dc.identifier.scopusid2-s2.0-84865529191-
dc.type.rimsART-
dc.citation.volume50-
dc.citation.issue12-
dc.citation.beginningpage1817-
dc.citation.endingpage1822-
dc.citation.publicationnameOPTICS AND LASERS IN ENGINEERING-
dc.identifier.doi10.1016/j.optlaseng.2012.06.013-
dc.contributor.localauthorYang, Min-Yang-
dc.contributor.nonIdAuthorCho, Sung-Hak-
dc.contributor.nonIdAuthorPark, Jong-Kweon-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorLaser machining-
dc.subject.keywordAuthorUltrasonic vibration-
dc.subject.keywordAuthorNanoparticles-
dc.subject.keywordAuthorAgglomeration-
dc.subject.keywordAuthorRecast layer-
dc.subject.keywordPlusINDUCED DAMAGE-
dc.subject.keywordPlusNANOPARTICLE-
dc.subject.keywordPlusFEMTOSECOND-
dc.subject.keywordPlusABLATION-
dc.subject.keywordPlusTEMPERATURE-
dc.subject.keywordPlusFABRICATION-
dc.subject.keywordPlusDIELECTRICS-
dc.subject.keywordPlusPICOSECOND-
dc.subject.keywordPlusREDUCTION-
dc.subject.keywordPlusPARTICLES-
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