A high strength and high electrical conductivity bulk CuCrZr alloy with nanotwins

A high strength and high electrical conductivity bulk CuCrZr alloy with nanotwins

A bulk nanostructured CuCrZr alloy consisting of nanotwins and nanograins was prepared by dynamic plastic deformation at liquid nitrogen temperature. A tensile strength of 700MPa and an electrical conductivity of 78.5% International Annealed Copper Standard are obtained in the nanostructured CuCrZr...

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Veröffentlicht in:Scripta materialia 2015-04, Vol.99, p.73-76
Hauptverfasser: Sun, L.X., Tao, N.R., Lu, K.
Format: Artikel
Sprache:eng
Schlagworte:
Copper base alloys
CuCrZr
Electrical conductivity
Electrical resistivity
Liquid nitrogen
Nanostructure
Nanotwins
Resistivity
Strength
Tensile strength
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Zusammenfassung:A bulk nanostructured CuCrZr alloy consisting of nanotwins and nanograins was prepared by dynamic plastic deformation at liquid nitrogen temperature. A tensile strength of 700MPa and an electrical conductivity of 78.5% International Annealed Copper Standard are obtained in the nanostructured CuCrZr alloys processed by means of this one-step deformation without aging treatment. The reason for the increased strength without the sacrifice of its high electrical conductivity was discussed.
ISSN:1359-6462
1872-8456
DOI:10.1016/j.scriptamat.2014.11.032