Pulse electrolysis for the production of hard Ni/TiO2-ZrO 2 composite coatings

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dc.contributor.author Kollia, C en
dc.contributor.author Deligkiozi, I en
dc.contributor.author Dardavila, MM en
dc.date.accessioned 2014-03-01T02:46:57Z
dc.date.available 2014-03-01T02:46:57Z
dc.date.issued 2010 en
dc.identifier.issn 10120386 en
dc.identifier.uri https://dspace.lib.ntua.gr/xmlui/handle/123456789/32955
dc.subject Metal matrix composite electrocoatings en
dc.subject Nickel en
dc.subject Particles incorporation en
dc.subject Pulse electrolysis en
dc.subject TiO 2 en
dc.subject Vickers microhardness en
dc.subject ZrO2 en
dc.subject.other Electrocoatings en
dc.subject.other Metal matrix composites en
dc.subject.other Nickel particles en
dc.subject.other Pulse electrolysis en
dc.subject.other TiO en
dc.subject.other Vickers microhardness en
dc.subject.other Composite coatings en
dc.subject.other Electrochemistry en
dc.subject.other Electrolysis en
dc.subject.other Microhardness en
dc.subject.other Nickel alloys en
dc.subject.other Zirconium alloys en
dc.subject.other Metallic matrix composites en
dc.title Pulse electrolysis for the production of hard Ni/TiO2-ZrO 2 composite coatings en
heal.type conferenceItem en
heal.identifier.primary 10.4028/www.scientific.net/DDF.297-301.930 en
heal.identifier.secondary http://dx.doi.org/10.4028/www.scientific.net/DDF.297-301.930 en
heal.publicationDate 2010 en
heal.abstract The electrolytic codeposition has drawn interest as an alternative method for the preparation of metal matrix composite electrocoatings with improved properties. Moreover, the application of a current periodically varied by time during electrodeposition, i.e. pulse current (p.c.), instead of the commonly used direct current (d.c.), has been proved to lead to the preparation of surfaces with well-defined properties. In this work, Ni/TiO2-ZrO 2 composite electrocoatings were produced under direct and pulse current conditions. The synergetic action of both the pulse application and the simultaneous codeposition of the two different types of particles on the structure, the morphological characteristics and the microhardness of the composite electrocoatings, were studied. Concerning their mechanical behaviour, it was found that the Ni/TiO2-ZrO2 deposits prepared by pulse electrolysis are characterized by Vickers microhardness threefold harder than the d.c. ones. © (2010) Trans Tech Publications. en
heal.journalName Defect and Diffusion Forum en
dc.identifier.doi 10.4028/www.scientific.net/DDF.297-301.930 en
dc.identifier.volume 297-301 en
dc.identifier.spage 930 en
dc.identifier.epage 935 en

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