Research on Resurfacing Welding Process of Double-wire Submerged Arc Welding Based on Penetration Ratio Analysis
This paper mainly uses double-wire submerged arc welding resurfacing welding process to explore the weld-ing process test of resurfacing welding austenitic composite materials such as S30408 on Q345R steel plate. Under welding parameters of different welding processes,the macroscopic metallographic photos of resurfacing welding joints were dyed by using computer mapping software Photoshop CS4,the dyeing area was calculated,the macroscopic metallographic penetration ratio of resurfacing welding joints was measured,and finally the microstructure observation and mechanical performance analysis of resurfacing welding joints were carried out. The results show that when the penetration ratio is less than 31％,the weld joint perfor-mance and composition by double-wire submerged arc welding resurfacing process meet the process requirements,which effectively reduces labor intensity and improves work efficiency,and has a good prospect of popularization and application.
万方数据
维普
