Effect of long-term operation on steels of main gas pipeline

Structural and mechanical degradation

Pavlo Maruschak, Sergey Panin, Mykola Chausov, Roman Bishchak, Ulyana Polyvana

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Based on the results of experimental studies of 17MnSi steel the regularities of the in-service degradation influence into its deformation and strength properties were established with the use of full strain diagrams. The important role of the hydrogen absorption that takes place under operation and its negative influence onto the mechanical properties of 17MnSi steel are shown. The latter is manifested through the microdefect growth in the gas pipeline material wall (in the form of dispersed damages) and reduction of its resistance to the brittle fracture.

Original languageEnglish
Pages (from-to)363-367
Number of pages5
JournalJournal of King Saud University - Engineering Sciences
Volume30
Issue number4
DOIs
Publication statusPublished - 1 Oct 2018

Fingerprint

Steel
Gas pipelines
Degradation
Brittle fracture
Hydrogen
Mechanical properties

Keywords

  • Damage
  • Deformation
  • In-service degradation
  • Main gas pipeline

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment
  • Materials Science (miscellaneous)
  • Fuel Technology
  • Fluid Flow and Transfer Processes
  • Computer Networks and Communications
  • Industrial and Manufacturing Engineering

Cite this

Effect of long-term operation on steels of main gas pipeline : Structural and mechanical degradation. / Maruschak, Pavlo; Panin, Sergey; Chausov, Mykola; Bishchak, Roman; Polyvana, Ulyana.

In: Journal of King Saud University - Engineering Sciences, Vol. 30, No. 4, 01.10.2018, p. 363-367.

Research output: Contribution to journalArticle

Maruschak, Pavlo ; Panin, Sergey ; Chausov, Mykola ; Bishchak, Roman ; Polyvana, Ulyana. / Effect of long-term operation on steels of main gas pipeline : Structural and mechanical degradation. In: Journal of King Saud University - Engineering Sciences. 2018 ; Vol. 30, No. 4. pp. 363-367.
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