Abstract
The critical values of the Cockcroft-Latham and Ayada criteria, which are embedded in the Deform-3D software package and can be used to describe the fracture of nanocrystalline beryllium at various stages of warm rolling, are determined. It is shown that excess over these critical values leads to the fracture of beryllium during both simulation and experimental rolling. Nondestructive conditions are developed for multipass warm rolling of beryllium with the minimum number of long-term intermediate high-temperature annealing.
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