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- Title
Accumulative Roll Bonding at Room Temperature of a Bi‐Metallic AA5754/AA6061 Composite: Impact of Strain Path on Microstructure, Texture, and Mechanical Properties .
- Authors
Verstraete, Kevin; Azzedine, Hiba; Helbert, Anne‐laure; Brisset, François; Bradai, Djamel; Baudin, Thierry
- Abstract
Accumulative roll bonding (ARB) is performed at room temperature on an aluminum composite up to five rolling cycles, using two different paths: the conventional one (ARB) and the cross ARB (CARB) one consisting of a 90° rotation of the rolling direction before each rolling pass. The microstructure is refined faster by CARB than by ARB occasioning higher yield strength of the elaborated samples. Besides, CARB has the ability to delay the loss of stratification of the composite. The resulting textures are different: while ARB promotes typical rolling components (Brass {011}<211>, Goss {110}<001>, Dillamore {4 4 11}<11 11 8>), S {123}<634>), CARB promotes the ND‐rotated Brass {011}<755> instead of Brass together with the S and Dillamore components. A Visco‐Plastic Self‐Consistent (VPSC) simulation highlights that the ND‐rotated Brass had Brass and S components for origin. The ND‐rotated Brass presence in the texture promotes a better mechanical isotropy of the composite sheet.
- Subjects
MATERIAL plasticity; ALUMINUM composites; METAL microstructure; ANGIOTENSIN receptor genetics; VISCOPLASTICITY; MATHEMATICAL models
- Publication
Advanced Engineering Materials, 2018, Vol 20, Issue 4, p1
- ISSN
1438-1656
- Publication type
Article
- DOI
10.1002/adem.201700285