Study on metal transfer modes and welding spatter characteristics of self-shielded flux cored wire

被引：22
|
作者：
Liu, H. -Y. [1 ]
Li, Z. -X. [1 ]
Li, H. [1 ]
Shi, Y. -W. [1 ]
机构：
[1] Beijing Univ Technol, Sch Mat Sci & Engn, Beijing, Peoples R China
来源：
SCIENCE AND TECHNOLOGY OF WELDING AND JOINING | 2008年 / 13卷 / 08期
关键词：
Self-shielded cored wire; Metal transfer; Bridging transfer without arc interruption; Welding spatter;
D O I：
10.1179/174329308X380354
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The metal transfer behaviour of self-shielded flux cored wire and the resultant welding spatter were investigated by using a high speed camera. Three modes of metal transfer were found, i.e. bridging transfer without arc interruption in explosive form or by surface tension, globular repelled transfer and droplet transfer, while the former two modes played a key role in the weld metal transfer. Correspondingly, the bridge explosion, discontinuous globular repelled process and the misalignment of droplets transfer were the main factors causing the welding spatter.
引用
收藏
页码：777 / 780
页数：4
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