In contrast to direct investigations and the study of nucleation and growth of stress-corrosion flaws under different external actions, statistical analysis allows one to reveal the state of a gas main and the dependence of the stress-corrosion process on different external actions. The advantage of this approach is the ability to study the actual defects of a pipeline under operating conditions; the objectiveness of the results is determined by the representativeness of a sample of the database, which rests upon a broad spectrum of external and internal actions that are revealed by intrapipe nondestructive testing (IPNT) and the possibility of accomplishing the comparative assessment of the significance of the influence factors.
Monitoring the stress-corrosion defects of gas mains
Überwachung von Spannungskorrosionsfehlern von Gashauptleitungen
Russian Journal of Nondestructive Testing ; 47 , 12 ; 783-795
2011
13 Seiten, 15 Bilder, 11 Quellen
Aufsatz (Zeitschrift)
Englisch
Stress corrosion cracking of steels of gas mains. Part 1. Accidental ruptures
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