Reduction of longitudinal axial residual stresses in near-root region of circumferential joint of steam pipeline in technological way (CROSBI ID 192722)
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Podaci o odgovornosti
Prokhorenko, V. M. ; Perepichay, A. O. ; Mamuzić, Ilija ; Čikić, A.
engleski
Reduction of longitudinal axial residual stresses in near-root region of circumferential joint of steam pipeline in technological way
The paper proposes a variant for solving the problem of reduction of longitudinal residual stresses in near-root region of a circumferential welded joint of section of steam pipeline by FEM simulation of the stress-strain state of repaired section of a circumferential weld in the zone of lack of root penetration on a thin-wall shell of 89 mm diameter and 6 mm wall thickness from steel 20. The result of solving the problem is total distribution of stresses and residual plastic deformations in the repaired zone.
steel; weld; stress; steam pipeline; static strength of welds
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