Fatigue and Fracture Behavior of Cryogenic Materials Applied to LNG Fuel Storage Tanks for Coastal Ships

被引：9
|
作者：
Kim, Tae-Yeob [1 ]
Yoon, Sung-Won [1 ]
Kim, Ji-Hoon [2 ]
Kim, Myung-Hyun [2 ]
机构：
[1] Res Inst Medium & Small Shipbuilding, Adv Mat & Components Res Ctr, Busan 46757, South Korea
[2] Pusan Natl Univ, Dept Naval Architecture & Ocean Engn, Busan 46241, South Korea
来源：
METALS | 2021年 / 11卷 / 12期
关键词：
plasma arc welding (PAW); cryogenic materials; liquefied natural gas (LNG); HIGH-MN STEELS;
D O I：
10.3390/met11121899
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The aim of this study is to investigate the applicability of automatic plasma arc welding (PAW) to cryogenic materials used in liquefied natural gas (LNG) fuel storage tanks based on experimental data. The mechanical properties of the materials were tested at room and cryogenic temperatures to investigate the fatigue and fracture performances of weld joints made by PAW. In addition, the influence of welding parameters on the welded joints such as material types and temperature were considered in this experimental study. Based on the results obtained by this experimental study, it was observed that the experimental results of all materials at room and cryogenic temperatures satisfied all the requirements of each mechanical test. Finally, we propose the experimental results of PAW that can be used in the structural design of LNG fuel storage tank applications.
引用
收藏
页数：15
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