| Autor: |
Ammosov, G. S., Kornilova, Z. G. |
| Předmět: |
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| Zdroj: |
AIP Conference Proceedings; 2018, Vol. 2053 Issue 1, p040005-1-040005-5, 5p |
| Abstrakt: |
The paper focuses on the destruction specifics of main gas pipelines (MG) on welded joints and their relation to the technology of construction welding of non-rotating joints of pipes at temperatures of down to −35 ... −50 °С in field environment. It is demonstrated that the metal of the heat-affected zone (HAZ) significantly softens under welding with specified values of qh (heat input), kJ/m, of the pipe joints of a gas pipeline in the conditions of the North. Herewith, in-service defects and cracks tend to appear in welded joints of pipes. [ABSTRACT FROM AUTHOR] |
| Databáze: |
Complementary Index |
| Externí odkaz: |
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