Research on porosity of underwater wet FCAW duplex stainless steel

被引：0

作者：

石永华 ^{[1
]}

胡玉 ^{[1
]}

李志辉 ^{[1
]}

林水强 ^{[1
]}

沈晓勤 ^{[1
]}

易耀勇 ^{[2
]}

易江龙 ^{[2
]}

机构：

[1] School of Mechanical and Automotive Engineering,South China University of Technology

[2] Guangdong Welding Institute(China-Ukraine EOPaton Institute of Welding)

来源：

China Welding | 2016年 / 25卷 / 02期

关键词：

underwater wet welding; porosity; flux-cored arc welding; response surface methodology; duplex stainless steel;

D O I：

暂无

中图分类号：

TG456.5 [水下焊接];

学科分类号：

080201 ; 080503 ;

摘要：

To study the influence laws of welding parameters on weld porosity,underwater wet flux-cored arc welding(FCAW) duplex stainless steel S32101 was carried out in a hyperbaric chamber,and the second-order multiple regression equation was established.The interactive effects of welding parameters on the porosity were analyzed by the three dimensional response surfaces and the contour plots.The results present that the interaction effect between water depth and voltage on the porosity is the most significant.Theoretically,a non-pores weld bead can be gained by reasonably matching these parameters with water depth less than 10 m.Always,the weld porosity reaches its peak value with a 7 mm/s welding speed.

引用

页码：27 / 33

页数：7

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