Underwater wet repair welding of API 5L X65M pipeline steel

• Autorzy: Rogalski G. , Fydrych D. , Labanowski 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

• Wydawca: -
• Czasopismo: Polish Maritime Research
• Rocznik: 2017
• Tom: 24
• Numer: Special Issue S1
• Opis fizyczny: p.188-194,fig.,ref.

Twórcy

autor

Rogalski G.

• Faculty of Mechanical Engineering, Gdansk University of Technology, 11/12 Narutowicza St., 80-233 Gdansk, Poland

autor

Fydrych D.

• Faculty of Mechanical Engineering, Gdansk University of Technology, 11/12 Narutowicza St., 80-233 Gdansk, Poland

autor

Labanowski J.

• Faculty of Mechanical Engineering, Gdansk University of Technology, 11/12 Narutowicza St., 80-233 Gdansk, Poland

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Identyfikatory

DOI

10.1515/pomr-2017-0038