Orientation Design for Enhancing Deformation Twinning in Cu Single Crystal Subjected to Equal Channel Angular Pressing

Slip and twinning are two major mechanisms in plastic deformation of crystalline materials; however, twinning is extremely difficult to occur in face‐centered‐cubic crystals under conventional conditions. The authors show that twinning becomes an active deformation mode in copper single crystal when...

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Bibliographic Details
Published in:Advanced engineering materials 2008-12, Vol.10 (12), p.1110-1113
Main Authors: Han, W., Wu, S., Huang, C., Li, S., Zhang, Z.
Format: Article
Language:English
Subjects:
Copper alloys
Cross-disciplinary physics: materials science
rheology
Deformation, plasticity, and creep
Equal channel angular pressing
Exact sciences and technology
Materials science
Other heat and thermomechanical treatments
Physics
Treatment of materials and its effects on microstructure and properties
Twinning
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Summary:Slip and twinning are two major mechanisms in plastic deformation of crystalline materials; however, twinning is extremely difficult to occur in face‐centered‐cubic crystals under conventional conditions. The authors show that twinning becomes an active deformation mode in copper single crystal when subjected to equal channel angular pressing at room temperature. In particular, the observations revealed that deformation twinning became more active in the copper single crystal having a proper crystallographic orientation.
ISSN:1438-1656
1527-2648
DOI:10.1002/adem.200800131