A portrait of copper processed by equal channel angular pressing

Ralph J. Hellmig; Miloš Jancček; Branislav Hadzima; Oleg V. Gendelman; Michael Shapiro; Xenia Molodova; André Springer; Yuri Estrin

doi:10.2320/matertrans.ME200717

A portrait of copper processed by equal channel angular pressing

Ralph J. Hellmig^*, Miloš Jancček, Branislav Hadzima, Oleg V. Gendelman, Michael Shapiro, Xenia Molodova, André Springer, Yuri Estrin

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

49 Scopus citations

Abstract

Copper is one of the most important materials used for electrical connectors with a high thermal and electricial conductivity, and there is an ongoing demand to improve its mechanical properties without sacrificing other beneficial properties. A possible approach to achieving this aim is to use the method of severe plastic deformation to obtain an ultrafine grained microstructure. Significant grain refinement obtained by equal channel angular pressing (ECAP) leads to an improvement of mechanical, microstructural and physical properties. This paper gives an overview of a range of the properties that can be achieved by ECAP processing of pure copper including microstructural features, thermal stability,thermal conductivity and corrosion resistance.

Original language	English
Pages (from-to)	31-37
Number of pages	7
Journal	Materials Transactions
Volume	49
Issue number	1
DOIs	https://doi.org/10.2320/matertrans.ME200717
State	Published - Jan 2008
Externally published	Yes

Keywords

Copper
Corrosion behaviour
Equal channel angualar pressing
Mechanical properties
Severe plastic deformation
Thermal conductivity
Thermal stability

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10.2320/matertrans.ME200717

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AU - Jancček, Miloš

AU - Hadzima, Branislav

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AU - Shapiro, Michael

AU - Molodova, Xenia

AU - Springer, André

AU - Estrin, Yuri

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AB - Copper is one of the most important materials used for electrical connectors with a high thermal and electricial conductivity, and there is an ongoing demand to improve its mechanical properties without sacrificing other beneficial properties. A possible approach to achieving this aim is to use the method of severe plastic deformation to obtain an ultrafine grained microstructure. Significant grain refinement obtained by equal channel angular pressing (ECAP) leads to an improvement of mechanical, microstructural and physical properties. This paper gives an overview of a range of the properties that can be achieved by ECAP processing of pure copper including microstructural features, thermal stability,thermal conductivity and corrosion resistance.

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KW - Corrosion behaviour

KW - Equal channel angualar pressing

KW - Mechanical properties

KW - Severe plastic deformation

KW - Thermal conductivity

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A portrait of copper processed by equal channel angular pressing

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Keywords

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