Influence of microalloying with zirconium on the structure and properties of Cu–Cr alloy after high pressure torsion

Alloying of binary Cu–Cr alloy with a small amount (0.08%) of zirconium decreases its average grain size from 209nm to 141nm after high pressure torsion (HPT). A combination of quenching, HPT and following aging of Cu–Cr–Zr alloy allows obtaining an ultrafine grained (UFG) structure (grain size: 188...

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Bibliographic Details
Published inMaterials science & engineering. A, Structural materials : properties, microstructure and processing Vol. 650; pp. 63 - 66
Main Authors Shangina, D.V., Bochvar, N.R., Gorshenkov, M.V., Yanar, H., Purcek, G., Dobatkin, S.V.
Format Journal Article
LanguageEnglish
Published Elsevier B.V 05.01.2016
Subjects
Aging
Copper alloy
Electrical conductivity
Severe plastic deformation
Ultrafine grained structure
Aging
Severe plastic deformation
Ultrafine grained structure
Electrical conductivity
Copper alloy
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Summary:Alloying of binary Cu–Cr alloy with a small amount (0.08%) of zirconium decreases its average grain size from 209nm to 141nm after high pressure torsion (HPT). A combination of quenching, HPT and following aging of Cu–Cr–Zr alloy allows obtaining an ultrafine grained (UFG) structure (grain size: 188nm) having high strength and sufficient electrical conductivity.
ISSN:0921-5093
1873-4936
DOI:10.1016/j.msea.2015.10.008