Expansion of large-diameter welded pipe


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Abstract

The expansion of large-diameter welded pipe is modeled by the finite-element method. The dependence of the oval distortion of the pipe on that of the pipe blank is studied. The equivalent stress is changed by the first expansion step.

About the authors

A. P. Kolikov

Moscow Institute of Steel and Alloys

Author for correspondence.
Email: apkolikov@mail.ru
Russian Federation, Moscow

D. Yu. Zvonarev

OAO RosNITI

Email: apkolikov@mail.ru
Russian Federation, Chelyabinsk

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