EQNiCr-3和EQNiCrFe-7A大厚度带极堆焊  

Large Thickness Electroslag Strip Overlay Welding by Using EQNiCr-3 and EQNiCrFe-7A

作　　者：王健 Wang Jian

机构地区：[1]海装沈阳局,黑龙江齐齐哈尔161000

出　　处：《一重技术》2024年第2期36-38,共3页CFHI Technology

摘　　要：对比EQNiCr-3和EQNiCrFe-7A大厚度带极堆焊的成形效果,分析EQNiCrFe-7A不适合大厚度带极堆焊的原因及影响堆焊层质量的关键技术。确定EQNiCr-3大厚度带极堆焊合理的工艺参数,检测堆焊层性能。This paper compares the weld seam formation of large thickness electroslag strip overlay welding by using EQNiCr-3 and EQNiCrFe-7A,and analyzes the reasons why EQNiCrFe-7A is not suitable for large thickness electroslag strip overlay welding and the key technologies that affect the quality of overlay welding.The study has determined reasonable process parameters of EQNiCr-3 large-thickness electroslag strip overlay welding and checked property of the overlay welding layer.

关 键 词：EQNiCr-3 EQNiCrFe-7A 带极电渣堆焊 

分 类 号：TG455[金属学及工艺—焊接]