Abstract
We propose a computational model for the determination of the period of subcritical growth of internal surface stress-corrosion cracks in the wall of a pipe from pipeline in the presence of a turbulent flow of oil with multiple hydraulic shocks. The model is based on the energy approach earlier developed for the investigation of the retarded crack growth, models of application of the impulsive loads, and the main mechanisms of crack propagation. By using this model, we study the dependence of the residual life of a pipe taken from the pipeline of Kh60 steel on the number of hydraulic shocks in it under the conditions of turbulent flow of oil.
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