1. Date of download: 1/23/2018
Copyright © ASME. All rights reserved.
From: Bifurcation Analysis of Forming Limits for an Orthotropic Sheet Metal
J. Manuf. Sci. Eng. 2014;136(5): doi: /
Figure Legend:
The illustration of a uniform thin sheet metal with applied in-plane stress

2. Date of download: 1/23/2018
Copyright © ASME. All rights reserved.
From: Bifurcation Analysis of Forming Limits for an Orthotropic Sheet Metal
J. Manuf. Sci. Eng. 2014;136(5): doi: /
Figure Legend:
The comparison between the three r-values introduced bifurcation analysis and Stören–Rice bifurcation analysis with Hill's zero extension direction on left hand side

3. Date of download: 1/23/2018
Copyright © ASME. All rights reserved.
From: Bifurcation Analysis of Forming Limits for an Orthotropic Sheet Metal
J. Manuf. Sci. Eng. 2014;136(5): doi: /
Figure Legend:
The comparison between the three r-values introduced bifurcation analysis and Stören–Rice bifurcation analysis with the minimum energy principal searching algorithm on left hand side

4. Date of download: 1/23/2018
Copyright © ASME. All rights reserved.
From: Bifurcation Analysis of Forming Limits for an Orthotropic Sheet Metal
J. Manuf. Sci. Eng. 2014;136(5): doi: /
Figure Legend:
The comparison between the experimental results of Al6111-T4 from Graf and Hosford and predicted results

5. Date of download: 1/23/2018
Copyright © ASME. All rights reserved.
From: Bifurcation Analysis of Forming Limits for an Orthotropic Sheet Metal
J. Manuf. Sci. Eng. 2014;136(5): doi: /
Figure Legend:
The comparison of yield surfaces for material scenario 1 to 4

6. Date of download: 1/23/2018
Copyright © ASME. All rights reserved.
From: Bifurcation Analysis of Forming Limits for an Orthotropic Sheet Metal
J. Manuf. Sci. Eng. 2014;136(5): doi: /
Figure Legend:
The predicted forming limit results with different r-value combinations

7. Date of download: 1/23/2018
Copyright © ASME. All rights reserved.
From: Bifurcation Analysis of Forming Limits for an Orthotropic Sheet Metal
J. Manuf. Sci. Eng. 2014;136(5): doi: /
Figure Legend:
The necking angle distributions with different r-value combinations

8. Date of download: 1/23/2018
Copyright © ASME. All rights reserved.
From: Bifurcation Analysis of Forming Limits for an Orthotropic Sheet Metal
J. Manuf. Sci. Eng. 2014;136(5): doi: /
Figure Legend:
The necking band angle evolution under equibiaxial (β = 1) stretching mode with three different r-values

9. Date of download: 1/23/2018
Copyright © ASME. All rights reserved.
From: Bifurcation Analysis of Forming Limits for an Orthotropic Sheet Metal
J. Manuf. Sci. Eng. 2014;136(5): doi: /
Figure Legend:
The necking band angle evolution under equibiaxial (β = 1) stretching mode with an average r-value

10. Date of download: 1/23/2018
Copyright © ASME. All rights reserved.
From: Bifurcation Analysis of Forming Limits for an Orthotropic Sheet Metal
J. Manuf. Sci. Eng. 2014;136(5): doi: /
Figure Legend:
The comparison between the yield surface with or without r0 effect

11. Date of download: 1/23/2018
Copyright © ASME. All rights reserved.
From: Bifurcation Analysis of Forming Limits for an Orthotropic Sheet Metal
J. Manuf. Sci. Eng. 2014;136(5): doi: /
Figure Legend:
Illustration of the flow direction determined by the changed curvature of the yield surface