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100 _a20180418a2017 k y0engy50 ba
101 0 _aeng
102 _aNL
135 _adrcn ---uucaa
181 0 _ai
182 0 _ab
200 1 _aEffect of long-term operation on steels of main gas pipeline. Reduction of static fracture toughness
_fP. O. Maruschak [et al.]
203 _aText
_celectronic
300 _aTitle screen
320 _a[References: p. 186 (20 tit.)]
330 _aThe 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.
333 _aРежим доступа: по договору с организацией-держателем ресурса
461 _tJournal of Natural Gas Science and Engineering
463 _tVol. 38
_v[P. 182-186]
_d2017
610 1 _aэлектронный ресурс
610 1 _aтруды учёных ТПУ
610 1 _adamage
610 1 _adeformations
610 1 _aущерб
610 1 _aдеформация
610 1 _aэксплуатация
610 1 _aмагистральные газопроводы
610 1 _aтрещиноватость
701 1 _aMaruschak
_bP. O.
_gPavel Orestovich
701 1 _aPanin
_bS. V.
_cspecialist in the field of material science
_cProfessor of Tomsk Polytechnic University, Doctor of technical sciences
_f1971-
_gSergey Viktorovich
_2stltpush
_3(RuTPU)RU\TPU\pers\32910
701 1 _aChausov
_bM. G.
701 1 _aBishchak
_bR. T.
_gRoman Teodorovich
701 1 _aPolyvana
_bU. V.
712 0 2 _aНациональный исследовательский Томский политехнический университет
_bИнженерная школа новых производственных технологий
_bОтделение материаловедения
_h7871
_2stltpush
_3(RuTPU)RU\TPU\col\23508
801 2 _aRU
_b63413507
_c20190327
_gRCR
856 4 _uhttps://doi.org/10.1016/j.jngse.2016.12.015
942 _cCF