Effects of cryogenic cooling on the surface integrity in hard turning of AISI D6 steel

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dc.contributor.authorMelo, Anderson Clayton Alves de
dc.contributor.authorLeadebal Júnior, Welber Vasconcelos
dc.contributor.authorOliveira, Adilson José de
dc.contributor.authorCastro, Nicolau Apoena
dc.date.accessioned2021-03-17T19:30:30Z
dc.date.available2021-03-17T19:30:30Z
dc.date.issued2018-01-11
dc.description.resumoMethods able to enhance surface integrity of machined components have been one of the emerging areas in manufacturing engineering, and a technique that has been providing satisfying results in the last years is cryogenic machining. Besides promoting surface integrity improvement, it is considered an alternative to the use of conventional cutting fluids, which is in accordance with the latest global trends for sustainable means of production. In this sense, replacing grinding operation, which uses large volumes of conventional cutting fluids, by hard turning assisted by liquid nitrogen, for example, could be a good choice. The aim of this work was to investigate the effects of cryogenic cooling on the surface integrity of quenched and tempered AISI D6 tool steel after turning operation. Dry and cryogenic turning trials with polycrystalline cubic boron nitride tools were performed and the results of surface integrity (surface roughness and topography, microhardness and residual stresses, as well as the modified microstructure of the deformed layer) were analyzed for comparison. The results showed that cryogenic cooling played an important role in modifying the workpiece surface integrity, providing low values of surface roughness (similar to those obtained in grinding operations), as well as higher values of surface microhardness and compressive residual stresses as compared to the dry conditionpt_BR
dc.identifier.citationLEADEBAL JUNIOR, Welber Vasconcelos; MELO, Anderson Clayton Alves de; OLIVEIRA, Adilson José de; CASTRO, Nicolau Apoena. Effects of cryogenic cooling on the surface integrity in hard turning of AISI D6 steel. Journal Of The Brazilian Society of Mechanical Sciences and Engineering, [S.L.], v. 40, n. 1, p. 01-17, jan. 2018. Disponível em: https://link.springer.com/article/10.1007/s40430-017-0922-6. Acesso em: 24 nov. 2020. http://dx.doi.org/10.1007/s40430-017-0922-6.pt_BR
dc.identifier.doi10.1007/s40430-017-0922-6
dc.identifier.issn1678-5878
dc.identifier.issn1806-3691
dc.identifier.urihttps://repositorio.ufrn.br/handle/123456789/31920
dc.languageenpt_BR
dc.publisherSpringerpt_BR
dc.rightsAttribution 3.0 Brazil*
dc.rights.urihttp://creativecommons.org/licenses/by/3.0/br/*
dc.subjectCryogenic coolingpt_BR
dc.subjectHard turningpt_BR
dc.subjectAISI D6 steelpt_BR
dc.subjectSurface integritypt_BR
dc.subjectPCBN toolspt_BR
dc.titleEffects of cryogenic cooling on the surface integrity in hard turning of AISI D6 steelpt_BR
dc.typearticlept_BR

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