Date of download: 10/19/2017 Copyright © ASME. All rights reserved. From: Mechanical Behavior of Alloy AA6111 Processed by Severe Plastic Deformation: Modeling and Experiment J. Eng. Mater. Technol. 2007;129(3):380-389. doi:10.1115/1.2744396 Figure Legend: Schematic illustrations showing: (a) details of ECAP sample which consists of stacked AA6111 sheet specimens; and (b) details of the ECAP die geometry

Date of download: 10/19/2017 Copyright © ASME. All rights reserved. From: Mechanical Behavior of Alloy AA6111 Processed by Severe Plastic Deformation: Modeling and Experiment J. Eng. Mater. Technol. 2007;129(3):380-389. doi:10.1115/1.2744396 Figure Legend: Schematic diagram of strain hardening coefficient Θ versus reduced stress σ*=σ−σY showing a linear dependence and the definition of ΘII and σs*. The dashed line represents the Considère condition for necking.

Date of download: 10/19/2017 Copyright © ASME. All rights reserved. From: Mechanical Behavior of Alloy AA6111 Processed by Severe Plastic Deformation: Modeling and Experiment J. Eng. Mater. Technol. 2007;129(3):380-389. doi:10.1115/1.2744396 Figure Legend: Schematic diagram of Θσ* versus σ* corresponding to the hybrid model that includes the effect of geometric obstacles to dislocation glide (such as grain boundaries or second-phase particles). The upper parabola is obtained from the lower one by a parallel shift along the ordinate axis. After Ref. .

Date of download: 10/19/2017 Copyright © ASME. All rights reserved. From: Mechanical Behavior of Alloy AA6111 Processed by Severe Plastic Deformation: Modeling and Experiment J. Eng. Mater. Technol. 2007;129(3):380-389. doi:10.1115/1.2744396 Figure Legend: Schematic illustration of Θ versus σ* diagram of a typical AA6111 sample showing deviations from linear behavior and defining ΘII as well as σs1* and σs2*

Date of download: 10/19/2017 Copyright © ASME. All rights reserved. From: Mechanical Behavior of Alloy AA6111 Processed by Severe Plastic Deformation: Modeling and Experiment J. Eng. Mater. Technol. 2007;129(3):380-389. doi:10.1115/1.2744396 Figure Legend: Schematic illustration of a Θσ* versus σ* diagram of a typical AA6111 sample showing a deviation from a parabolic form (solid line) and defining parameters used in the “two parabola” approach

Date of download: 10/19/2017 Copyright © ASME. All rights reserved. From: Mechanical Behavior of Alloy AA6111 Processed by Severe Plastic Deformation: Modeling and Experiment J. Eng. Mater. Technol. 2007;129(3):380-389. doi:10.1115/1.2744396 Figure Legend: The dependence of yield strength on the grain size for samples heat treated at different annealing temperatures (Hall–Petch diagram)

Date of download: 10/19/2017 Copyright © ASME. All rights reserved. From: Mechanical Behavior of Alloy AA6111 Processed by Severe Plastic Deformation: Modeling and Experiment J. Eng. Mater. Technol. 2007;129(3):380-389. doi:10.1115/1.2744396 Figure Legend: The relation between uniform elongation and grain size of samples heat treated at different annealing temperatures (full symbols: ECAP; open symbols: rolling)

Date of download: 10/19/2017 Copyright © ASME. All rights reserved. From: Mechanical Behavior of Alloy AA6111 Processed by Severe Plastic Deformation: Modeling and Experiment J. Eng. Mater. Technol. 2007;129(3):380-389. doi:10.1115/1.2744396 Figure Legend: The stress-strain curve of commercial sheet and in-house processed sheet (AQ process, one and four passes of ECAE) annealed at 410°C and 540°C

Date of download: 10/19/2017 Copyright © ASME. All rights reserved. From: Mechanical Behavior of Alloy AA6111 Processed by Severe Plastic Deformation: Modeling and Experiment J. Eng. Mater. Technol. 2007;129(3):380-389. doi:10.1115/1.2744396 Figure Legend: The stress-strain curves of UFG samples subjected to various numbers of ECAP passes and heat treatments

Date of download: 10/19/2017 Copyright © ASME. All rights reserved. From: Mechanical Behavior of Alloy AA6111 Processed by Severe Plastic Deformation: Modeling and Experiment J. Eng. Mater. Technol. 2007;129(3):380-389. doi:10.1115/1.2744396 Figure Legend: The relation between the reduced saturation stress and the inverse of the grain size for samples annealed at 250–275°C

Date of download: 10/19/2017 Copyright © ASME. All rights reserved. From: Mechanical Behavior of Alloy AA6111 Processed by Severe Plastic Deformation: Modeling and Experiment J. Eng. Mater. Technol. 2007;129(3):380-389. doi:10.1115/1.2744396 Figure Legend: Correlation between the experimental and the calculated true uniform strain (full symbols: calculated from Eq. ; open symbols: as determined from the calculated stress-strain curves (“two-parabola” description) using the Considère condition)