An EBSD study of texture and grain boundary evolution in a strongly textured aluminium alloy during ECA pressing
An EBSD study of texture and grain boundary evolution in a strongly textured aluminium alloy during ECA pressing
The texture and grain boundary evolution during equal channel angular pressing (ECAP) of a spray-cast Al-7034 (Al-Zn-Mg-Cu) alloy containing intermetallic particles with a range of sizes was studied through electron backscatter diffraction (EBSD). Up to 8 passes of ECAP using route Bc were employed. The initial ECAP pass leads to the development of low angle grain boundaries and subsequent passes lead to a relatively rapid increase in the fraction of high angle grain boundaries. Before ECAP, the material possessed a strong <111> and <100> fibre texture. On ECAP, the <111> fibre texture component is mostly retained but the <100> fibre develops to a Cube texture after the first ECAP pass. Goss textures form from about 4 passes of ECAP.
aluminium 7034 alloy, texture, ECAP, EBSD, LAGB, low angle grain boundaries
0878499857
937-942
Starink, M.J.
fe61a323-4e0c-49c7-91f0-4450e1ec1e51
Wang, S.C.
8a390e2d-6552-4c7c-a88f-25bf9d6986a6
Gao, N.
9c1370f7-f4a9-4109-8a3a-4089b3baec21
Ubhi, H.S.
a5d9da64-1387-416e-96ca-691abc679ae2
Xu, C.
66441ee5-1017-4177-abb2-7875c09bdc66
Langdon, T.G.
86e69b4f-e16d-4830-bf8a-5a9c11f0de86
2006
Starink, M.J.
fe61a323-4e0c-49c7-91f0-4450e1ec1e51
Wang, S.C.
8a390e2d-6552-4c7c-a88f-25bf9d6986a6
Gao, N.
9c1370f7-f4a9-4109-8a3a-4089b3baec21
Ubhi, H.S.
a5d9da64-1387-416e-96ca-691abc679ae2
Xu, C.
66441ee5-1017-4177-abb2-7875c09bdc66
Langdon, T.G.
86e69b4f-e16d-4830-bf8a-5a9c11f0de86
Starink, M.J., Wang, S.C., Gao, N., Ubhi, H.S., Xu, C. and Langdon, T.G.
(2006)
An EBSD study of texture and grain boundary evolution in a strongly textured aluminium alloy during ECA pressing.
Horita, Zenji
(ed.)
In Nanomaterials by Severe Plastic Deformation.
Trans Tech Publications.
.
Record type:
Conference or Workshop Item
(Paper)
Abstract
The texture and grain boundary evolution during equal channel angular pressing (ECAP) of a spray-cast Al-7034 (Al-Zn-Mg-Cu) alloy containing intermetallic particles with a range of sizes was studied through electron backscatter diffraction (EBSD). Up to 8 passes of ECAP using route Bc were employed. The initial ECAP pass leads to the development of low angle grain boundaries and subsequent passes lead to a relatively rapid increase in the fraction of high angle grain boundaries. Before ECAP, the material possessed a strong <111> and <100> fibre texture. On ECAP, the <111> fibre texture component is mostly retained but the <100> fibre develops to a Cube texture after the first ECAP pass. Goss textures form from about 4 passes of ECAP.
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Published date: 2006
Additional Information:
Series ISSN 0255-5476
Venue - Dates:
SPD-3: 3rd International Conference on Nanomaterials by Severe Plastic Deformation, Fukuoka, Japan, 2005-09-21 - 2005-09-26
Keywords:
aluminium 7034 alloy, texture, ECAP, EBSD, LAGB, low angle grain boundaries
Identifiers
Local EPrints ID: 19147
URI: http://eprints.soton.ac.uk/id/eprint/19147
ISBN: 0878499857
PURE UUID: f0c9ddf0-16ac-4d90-91fb-00a94ce6d2da
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Date deposited: 09 Jan 2006
Last modified: 16 Mar 2024 03:27
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Contributors
Author:
H.S. Ubhi
Author:
C. Xu
Editor:
Zenji Horita
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