Electrical conductivity and microstructure by Rietveld refinement of doped Cu-Ni powder alloys

Página do item simplificado
dc.contributor.authorFambrini A.S.
dc.contributor.authorMonteiro W.A.
dc.contributor.authorOrrego R.M.M.
dc.contributor.authorMarques I.M.
dc.contributor.authorCarrio J.A.G.
dc.date.accessioned2024-03-13T01:32:24Z
dc.date.available2024-03-13T01:32:24Z
dc.date.issued2010
dc.description.abstractThis work presents a comparative study of microstructural and electrical properties of polycrystalline material from two different Cu-Ni alloys: Cu-Ni-Pt and Cu-Ni-Al. The first one of them was produced in electric furnace with voltaic arc and the other was produced by powder metallurgy. The microstructure of the samples was studied by optical microscopy, Vickers micro hardness and x rays powder diffraction. Their electrical conductivity was measured with a milliohmeter Agilent (HP) 4338B. Refinements of the crystalline structure of the samples were performed by the Rietveld method, using the refinement program GSAS. The refinement results and Fourier differences calculations indicate that the copper matrix structure presents not significant distortions by the used amounts of the other metal atoms. In both cases a sequence of thermo mechanical treatments was developed with the intention of increasing the hardness maintaining the electrical conductivity of the alloys. The refinements also allowed a study of the dependence of the micro-structure and the thermo mechanical treatments of the samples. Acknowledgments: Mackpesquisa, CAPES. © (2010) Trans Tech Publications.
dc.description.firstpage63
dc.description.lastpage68
dc.description.volume660-661
dc.identifier.doi10.4028/www.scientific.net/MSF.660-661.63
dc.identifier.issn1662-9752
dc.identifier.urihttps://dspace.mackenzie.br/handle/10899/37233
dc.relation.ispartofMaterials Science Forum
dc.rightsAcesso Aberto
dc.subject.otherlanguageCopper-nickel-aluminum
dc.subject.otherlanguageCopper-nickel-platinum alloys
dc.subject.otherlanguageElectrical properties
dc.subject.otherlanguageMechanical properties
dc.subject.otherlanguageMicrostructure
dc.subject.otherlanguagePowder metallurgy
dc.subject.otherlanguageRietveld method
dc.titleElectrical conductivity and microstructure by Rietveld refinement of doped Cu-Ni powder alloys
dc.typeArtigo de evento
local.scopus.citations0
local.scopus.eid2-s2.0-78649971670
local.scopus.subjectComparative studies
local.scopus.subjectCopper matrix
local.scopus.subjectCopper nickels
local.scopus.subjectCrystalline structure
local.scopus.subjectElectrical conductivity
local.scopus.subjectMicro-structural
local.scopus.subjectPowder diffraction
local.scopus.subjectVickers microhardness
local.scopus.updated2024-05-01
local.scopus.urlhttps://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=78649971670&origin=inward
Arquivos
Coleções
Artigo de evento