COLD CRACKING OF UNDERWATER WET WELDED S355G10+N HIGH STRENGTH STEEL

被引：20
作者：
Fydrych, D. [1 ]
Labanowski, J. [1 ]
Tomkow, J. [1 ]
Rogalski, G. [1 ]
机构：
[1] Gdansk Univ Technol, Dept Mat Sci & Welding Engn, Narutowicza 11-12, PL-80233 Gdansk, Poland
来源：
ADVANCES IN MATERIALS SCIENCE | 2015年 / 15卷 / 03期
关键词：
Underwater welding; wet welding; high strength steel; weldability; cold cracking;
D O I：
10.1515/adms-2015-0015
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Water as the welding environment determines some essential problems influencing steel weldability. Underwater welding of high strength steel joints causes increase susceptibility to cold cracking, which is an effect of much faster heat transfer from the weld area and presence of diffusible hydrogen causing increased metal fragility. The paper evaluates the susceptibility to cold cracking of the high strength S355G10+N steel used, among others, for ocean engineering and hydrotechnical structures, which require underwater welding. It has been found from the CTS test results that the investigated steel is susceptible to cold cracking in the wet welding process.
引用
收藏
页码：48 / 56
页数：9
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