Accumulative Roll Bonding at Room Temperature of a Bi‐Metallic AA5754/AA6061 Composite: Impact of Strain Path on Microstructure, Texture, and Mechanical Properties

作者: Kevin Verstraete , Hiba Azzedine , Anne-Laure Helbert , François Brisset , Djamel Bradai

DOI: 10.1002/ADEM.201700285

关键词:

摘要: 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 and cross ARB (CARB) consisting of a 90° rotation direction before each pass. The microstructure refined faster by CARB than occasioning higher yield strength elaborated samples. Besides, has ability delay loss stratification composite. resulting textures are different: while promotes typical components (Brass {011} , Goss {110} Dillamore {4 4 11} ), S {123} ND-rotated Brass instead together with components. A Visco-Plastic Self-Consistent (VPSC) simulation highlights that had for origin. presence in texture better mechanical isotropy sheet.

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