VLEC 5Ni钢液货舱表面的电弧螺柱焊接头性能分析  

Joint Performance Analysis of Arc Stud Welding on 5Ni Steel Surface of Cargo Tank of VLEC

作　　者：陆炜 周清华[1] 王冰[1] LU Wei;ZHOU Qinghua;WANG Bing(Jiangnan Shipyard(Group)Co.,Ltd.,Shanghai 201913,China)

机构地区：[1]江南造船(集团)有限责任公司,上海201913

出　　处：《造船技术》2025年第2期73-77,共5页

摘　　要：在99000 m 3超大型乙烷运输船(Very Large Ethane Carrier,VLEC)BrilliancE B型舱建造过程中,采用带瓷环的电弧螺柱焊工艺在5Ni钢液货舱表面焊接304L不锈钢螺柱,用于固定货物围护系统(Cargo Containment System,CCS)的绝热层。选择试验材料和设备,确定焊接参数和工艺,采用外观检验、弯曲试验、拉伸试验、扭矩试验、宏观金相检验、硬度试验和疲劳试验等焊接工艺试验方法进行试验。试验结果表明,电弧螺柱焊工艺在该型船BrilliancE B型舱CCS上的应用具有可行性和稳定性。During the construction of BrilliancE Type B cargo tank of 99000 m 3 Very Large Ethane Carrier(VLEC),the 304L stainless steel stud is welded on the 5Ni steel surface of cargo tank by the arc stud welding procedure with porcelain ring to fix the insulation layer of Cargo Containment System(CCS).The test materials and equipments are selected,the welding parameters and procedure are determined,and the tests are conducted with the welding procedure test methods such as visual inspection,bending test,tensile test,torque test,macroscopic metallographic inspection,hardness test,and fatigue test.The test results show that the application of arc stud welding procedure to CCS of BrilliancE Type B cargo tank of the carrier is of feasibility and stability.

关 键 词：超大型乙烷运输船 5Ni钢 BrilliancE B型舱 货物围护系统 304L不锈钢 电弧螺柱焊 接头性能 焊接工艺试验 

分 类 号：U671.83[交通运输工程—船舶及航道工程]