An Analytic Modeling Of Spring Back For Bending Bimetallic Sheet Material Considering Change in Young Modulus

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Mechanical Design

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Abstract :

Spring back prediction is an important issue for sheet metal forming industry. Most sheet metal elements undergo a complicated cyclical deformation history during the forming process. For an accurate prediction of spring back the young modulus in change effect must be considered to determine accurately the internal stress distribution within the sheet metal deformation. Mathematical modeling of spring back predication has done in this report. There are swift’s model law for elastic region and power rule for modeling is used to estimate predication

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