Figure 9. A schematic showing how the strains in the defect (region B) depart from those outside the defect (region A). The forming limits e1* and e2* are taken as the strains in region A when plane strain is reached in region B.
 

Figure 9

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This figure is a component of the on-line article "Sheet Metal Forming: A Review", which appears in the November 1999 Issue of JOM.