Underwater Welding of Duplex Stainless Steel

被引：24

作者：

Labanowski, Jerzy ^{[1
]}

Fydrych, Dariusz ^{[1
]}

Rogalski, Grzegorz ^{[1
]}

Samson, Krzysztof ^{[1
]}

机构：

[1] Gdansk Univ Technol, Fac Mech Engn, Dept Mat & Welding Engn, PL-80233 Gdansk, Poland

来源：

ENVIRONMENTAL DEGRADATION OF ENGINEERING & MATERIALS ENGINEERING AND TECHNOLOGIES | 2012年 / 183卷

关键词：

duplex stainless steel; underwater welding;

D O I：

10.4028/www.scientific.net/SSP.183.101

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The present work was conducted to assess the weldability of duplex stainless steel at underwater conditions. Interest of underwater welding of this steel grade is connected with necessity of preparing welding repair technologies for subsea pipelines widely used in offshore oil and gas industry. The GMA local cavity welding method was used in the investigations. Welded beads were performed underwater at 0.5 m depth and in the air. Metallographic examinations of welds, ferrite content assessment in microstructure and hardness test were performed. The good weldability at underwater conditions of duplex stainless with the use of GMA local cavity method was confirmed.

引用

页码：101 / 106

页数：6

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