Reasons for crack nucleation in welded joints of main gas-pipelines after a long-term operation

Abstract

A crack of operational origin in the welded joint of the main gas pipeline is analyzed. The reasons for its nucleation and impact on technological microdefects that were formed earlier during the welding are found. Micromechanisms and stages of nucleation and propagation of the crack are investigated.

Original language	English
Article number	012114
Journal	IOP Conference Series: Materials Science and Engineering
Volume	177
Issue number	1
DOIs	https://doi.org/10.1088/1757-899X/177/1/012114
Publication status	Published - 1 Mar 2017
Event	10th International Conference on Mechanical Engineering, Automation and Control Systems 2016, MEACS 2016 - Tomsk, Russian Federation Duration: 27 Oct 2016 → 29 Oct 2016

ASJC Scopus subject areas

Materials Science(all)
Engineering(all)

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title = "Reasons for crack nucleation in welded joints of main gas-pipelines after a long-term operation",

abstract = "A crack of operational origin in the welded joint of the main gas pipeline is analyzed. The reasons for its nucleation and impact on technological microdefects that were formed earlier during the welding are found. Micromechanisms and stages of nucleation and propagation of the crack are investigated.",

author = "Maruschak, {P. O.} and Bishchak, {R. T.} and Shlapak, {L. S.} and Panin, {S. V.}",

year = "2017",

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AU - Bishchak, R. T.

AU - Shlapak, L. S.

AU - Panin, S. V.

PY - 2017/3/1

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AB - A crack of operational origin in the welded joint of the main gas pipeline is analyzed. The reasons for its nucleation and impact on technological microdefects that were formed earlier during the welding are found. Micromechanisms and stages of nucleation and propagation of the crack are investigated.

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