Underwater wet repair welding of API 5L X65M pipeline steel

• Autorzy: Rogalski G. , Fydrych D. , Łabanowski J.
• Języki publikacji: EN

Abstrakty

EN

This paper presents results of the research of effect of polymer insulation of pipeline made of API 5L X65M steel as well as underwater wet welding parameters on properties of joints made by covered electrodes. Effect of heat input on structure and hardness of joints during repair of underwater pipeline was analyzed. Welding defects like microcracks, micro-lacks of fusion, slag inclusions, as well as HAZ hardness increase over an assumed acceptance criterion for welded joints in pipes without anticorrosion polymer insulation, were identified. A significant effect of polimer insulation on structure and properties of welded joints, was found.

Słowa kluczowe

EN

underwater welding; wet welding; underwater pipeline; API 5L X65M steel

• Wydawca: Gdańsk University of Technology, Faculty of Ocean Engineering & Ship Technology
• Czasopismo: Polish Maritime Research
• Rocznik: 2017
• Tom: S 1
• Strony: Bibliogr. 27 poz., rys., tab.
• Opis fizyczny: Bibliogr. 27 poz., rys., tab.

Twórcy

autor

Rogalski G.

• Gdańsk University of Technology Faculty of Mechanical Engineering Poland

autor

Fydrych D.

• Gdańsk University of Technology Faculty of Mechanical Engineering Poland

autor

Łabanowski J.

• Gdańsk University of Technology Faculty of Mechanical Engineering Poland

Bibliografia

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Uwagi

PL

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę (zadania 2017)