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Predicting Fracture in Closed-Die Forgings

Laboratory tests and finite element simulation are used to estimate the potential form, the location, and the conditions in which defects may form.

The enhanced method for estimating of the risk of fracture appearances in closed-die forging has been developed in this paper for hard-to-deform materials under process conditions, where a high vulnerability of fracture initiation during plastic deformation results from specific stress-strain state, non-uniformity of strain rate and temperature fields.

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