Abstract and keywords
Abstract (English):
Correlations for stress-strain analysis for the cases of the hole extension in flanging when heated are recommended. The state of visco-plasticity of an anisotropic material, is approved in principle. Trim equations and yield conditions are used in the plane stress state sketch. Correlations for the work material continuity are obtained. The results of calculations are given.

Keywords:
visco-plasticity, anisotropy, form alterations, strain rate, speed, continuity, material anisotropy
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References

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