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Surface texturing of steel by femtosecond laser and accompanying structure/phase transformations

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dc.contributor.authorZhidkov, M. V.
dc.contributor.authorVershinina, T. N.
dc.contributor.authorGolosova, O. A.
dc.contributor.authorIonin, A. A.
dc.contributor.authorKudryashov, S. I.
dc.date.accessioned2024-11-26T13:56:35Z
dc.date.available2024-11-26T13:56:35Z
dc.date.issued2020
dc.description.abstract© 2020 Elsevier LtdTopography, structure, and phase composition of surface layers of AISI 321 stainless steel textured by 1030-nm 320-fs-laser pulses were studied by scanning electron microscopy and X-ray diffraction analysis. Variation in single-pulse fluence and the number of pulses was found to change the laser-produced surface texture from one-dimensional quasi-periodic nanograting to microrelief of various roughness. It was shown that the nanograting formed in the spallation regime contained austenite, just as a non-irradiated steel surface, and ferrite. The redeposited oxide layers on the grating surface produced in the phase explosion regime with a thickness increasing versus single-pulse fluence were found to consist of austenite, ferrite, and Fe3O4. In case of high-fluence mode, the two-layer microporous oxide coating, consisting of Fe3O4 and Fe2O3 in addition to conventional phases, was detected. SEM studies showed that the submicrocrystalline structure of nano- and microsized ridges was preserved, except for the high-fluence mode.
dc.identifier.citationSurface texturing of steel by femtosecond laser and accompanying structure/phase transformations / Zhidkov, M.V. [et al.] // Optics and Laser Technology. - 2020. - 131. - 10.1016/j.optlastec.2020.106370
dc.identifier.doi10.1016/j.optlastec.2020.106370
dc.identifier.urihttps://www.doi.org/10.1016/j.optlastec.2020.106370
dc.identifier.urihttps://www.scopus.com/record/display.uri?eid=2-s2.0-85085986088&origin=resultslist
dc.identifier.urihttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000564301000003
dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/21872
dc.relation.ispartofOptics and Laser Technology
dc.titleSurface texturing of steel by femtosecond laser and accompanying structure/phase transformations
dc.typeArticle
dspace.entity.typePublication
oaire.citation.volume131
relation.isOrgUnitOfPublicationc8407a6f-7272-450d-8d99-032352c76b55
relation.isOrgUnitOfPublication.latestForDiscoveryc8407a6f-7272-450d-8d99-032352c76b55
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