Journal article
Low-Energy Dislocation Structure (LEDS) character of dislocation boundaries aligned with slip planes in rolled aluminium
Department of Mechanical Engineering, Technical University of Denmark1
Materials and Surface Engineering, Department of Mechanical Engineering, Technical University of Denmark2
Department of Wind Energy, Technical University of Denmark3
Materials science and characterization, Department of Wind Energy, Technical University of Denmark4
For the specific slip geometry of two sets of coplanar systems (a total of four systems) in fcc metals, the range of dislocation networks in boundaries aligned with one of the two active slip planes is predicted from the Frank equation for boundaries free of long-range elastic stresses. Detailed comparison with experimental data for eight dislocation boundaries in cold-rolled aluminium grains of the 45° ND rotated Cube orientation is conducted.
It is concluded that the boundaries are Low-Energy Dislocation Structures, which are in good agreement with the Frank equation while also lowering the energy by dislocation reactions. Cross slip plays a role in the boundary formation process.
Language: | English |
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Publisher: | Taylor & Francis |
Year: | 2015 |
Pages: | 1471-1489 |
ISSN: | 14786443 and 14786435 |
Types: | Journal article |
DOI: | 10.1080/14786435.2015.1033488 |
ORCIDs: | Winther, Grethe , Hong, Chuanshi and Huang, Xiaoxu |
Aluminum Cold rolling Crystal structure Cube orientation Dislocation boundaries Dislocation networks Dislocation reactions Dislocation theory Dislocations Dislocations (crystals) Formation process Low energy dislocation structures Low-Energy Dislocation Structures Metal cladding Slip system fcc crystal structure slip systems