Sheet Metal Forming Processes And [6nq8j7j0pqnw]
where M is the (internal) bending moment, is the Poissons ratio, I is the moment of inertia, and E is the Youngs (elastic) modulus (Ref 2.6). Another representation of springback is in the form of a ratio known as the springback ratio. For relatively small bending angles and under pure bending, the springback ratio, K, is defined as K=
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