Abstract
A simulation capability for superplastic forming has been experimentally verified. Using a long rectangular die, the predictive accuracy of two commercial finite element analysis codes has been established by correlation with superplastic forming trials from an industrial SPF process. The correlation study evaluated the FEA prediction of thickness and the bulk deformation of the sheet during forming. Based on these results, a general modeling strategy for superplastic forming has been established that provides good predictive accuracy for SPF die and process design.
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