|About this Abstract
|Materials Science & Technology 2020
|Integration between Modeling and Experiments for Crystalline Metals: From Atomistic to Macroscopic Scales II
|Texture Evolution of Individual Layers during Accumulative Roll Bonding of Fe-Cu Metallic Laminates
|Rodney J. McCabe, Miroslav Zecevic, Thomas Nizolek, Matthew M Schneider, Cody Miller, Carl Osborn, Daniel Coughlin, Ricardo Lebensohn, Johh Carpenter
|On-Site Speaker (Planned)
|Rodney J. McCabe
Accumulative roll bonding (ARB) is used to produce bulk bimetallic laminates with average layer thicknesses from hundreds of microns to tens of nanometers and corresponding logarithmic strains ranging from 0.7 to 12. The roll-bonding steps involve rolling reductions greater than 50% resulting in non-uniform strain in the plate and texture variations from layer to layer through the ARB plate. We study the texture evolution of individual layers in ARB processed Fe-Cu metallic laminates using EBSD and the viscoplastic self-consistent model coupled with finite elements (FE-VPSC). We show that layers near the center of the plate evolve towards typical fcc and bcc rolling texture components while layers near the surface develop other texture components. The simulations allow us to examine the degree to which layer deformation history affects the overall texture during continued processing (i.e. an outer layer during one bonding step may become an inner layer during subsequent bonding steps).