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dc.contributor.authorNavarro-Devia, JH
dc.contributor.authorAmaya, C
dc.contributor.authorCaicedo, JC
dc.contributor.authorMartinez, JH
dc.contributor.authorAperador, W
dc.date.accessioned2019-07-31T04:42:50Z
dc.date.available2019-07-31T04:42:50Z
dc.date.issued2019
dc.identifier.issn0268-3768
dc.identifier.doi10.1007/s00170-018-3020-8
dc.identifier.urihttp://hdl.handle.net/10072/384530
dc.description.abstractThis paper shows tribological compatibility enhancement in dry turning of a low carbon steel (AISI 1020) with High-speed steel cutting tools, due to physical vapor deposition (PVD) of hafnium and vanadium nitride multilayer coatings ([HfN/VN]n), with different bilayer number system in each tool (n = 1, n = 30, n = 50, and n = 80). Tool wear mechanisms were assessed by means of scanning electron microscopy (SEM) and energy-dispersive X-ray spectroscopy (EDX) techniques, and surface integrity by roughness measurement and SEM inspection. Results show these multilayer coatings increase tool life up to 43%, and modify contact at tool/workpiece interface, as a function of bilayer number (n), due to their outstanding mechanical and tribological properties as a low coefficient of friction, high thermal conductivity, and high hardness; this produces a decrease of chip compression ratio, from 3.6 to 2.7, and workpiece roughness almost 1.6 μm lesser with the tool [HfN/VN]80. Moreover, improvement of workpiece integrity includes its corrosion resistance, from a corrosion rate of 1.5 mmy, which decrease exponentially with higher bilayer number, to a corrosion rate lower than 0.1 mmy obtained with 80 bilayers, due to the change of chip morphology. Therefore, [HfN/VN]n coatings could enhance productivity and quality in an industrial manufacturing application, as these protective thin films increase tribological compatibility of tool/workpiece system.
dc.description.peerreviewedYes
dc.languageEnglish
dc.language.isoeng
dc.publisherSPRINGER LONDON LTD
dc.relation.ispartofpagefrom2065
dc.relation.ispartofpageto2081
dc.relation.ispartofissue5-8
dc.relation.ispartofjournalINTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY
dc.relation.ispartofvolume101
dc.subject.fieldofresearchMathematical sciences
dc.subject.fieldofresearchEngineering
dc.subject.fieldofresearchcode49
dc.subject.fieldofresearchcode40
dc.titleHafnium and vanadium nitride multilayer coatings [HfN/VN](n) deposited onto HSS cutting tools for dry turning of a low carbon steel: a tribological compatibility case study
dc.typeJournal article
dc.type.descriptionC1 - Articles
dc.type.codeC - Journal Articles
gro.hasfulltextNo Full Text
gro.griffith.authorNavarro Devia, John H.


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