$Effect of long-term operation on steels of main gas pipeline. Reduction of static fracture toughness$

Effect of long-term operation on steels of main gas pipeline. Reduction of static fracture toughness

Dettagli Bibliografici
Parent link:	Journal of Natural Gas Science and Engineering Vol. 38.— 2017.— [P. 182-186]
Ente Autore:	Национальный исследовательский Томский политехнический университет Инженерная школа новых производственных технологий Отделение материаловедения
Altri autori:	Maruschak P. O. Pavel Orestovich, Panin S. V. Sergey Viktorovich, Chausov M. G., Bishchak R. T. Roman Teodorovich, Polyvana U. V.
Riassunto:	Title screen The effect of the long-term operation on changes in the parameters of fracture toughness and a tendency for a delayed fracture of the steel of main gas pipelines is investigated. Based on the method of the full strain diagrams the general regularities of operational degradation influence onto the static fracture toughness and microscale failure mechanisms of 17MnSi steel after long term operation have been established. Generalization of results on the influence of absorbed hydrogen onto the pipeline steel structure and fracture pattern made possible to systemize the data on dispersed damage accumulation. The schematization of fracture mechanisms of 17MnSi steel is offered. The proposed approaches to the study of static fracture toughness of the steel of the main gas pipelines can be used in the evaluation of their technical conditions and planning of their overhaul. Режим доступа: по договору с организацией-держателем ресурса
Lingua:	inglese
Pubblicazione:	2017
Soggetti:	электронный ресурс труды учёных ТПУ damage deformations ущерб деформация эксплуатация магистральные газопроводы трещиноватость
Accesso online:	https://doi.org/10.1016/j.jngse.2016.12.015
Natura:	Elettronico Capitolo di libro
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=657958

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