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J Weld Join > Volume 31(4); 2013 > Article
Journal of KWJS 2013;31(4):42-46.
DOI: https://doi.org/10.5781/KWJS.2013.31.4.42    Published online August 31, 2013.
Wear Resistance Evaluation of Contact Tip according to Flux Cored Wire
Dong-yoon Kim1, In-Sung Hwang1, Dong-Cheol Kim1, Moon-Jin Kang1
Correspondence:  In-Sung Hwang,
Email: hisman@kitech.re.kr
Abstract
The contact tip for flux cored arc welding has important functions to transmit the welding current to the wire and to guide the wire to molten pool. A damaged contact tip causes a productivity reduction and a welding quality problem. In this study, the welding experiments for the wear resistance of contact tip regarding flux cored wire types were performed. With two fold type and a seamless type flux cored wires, the wear rates of contact tips were compared. In addition, the wear rate was checked according to the contact tip position.
Key Words: Wear resistance, Contact tip, Flux cored wire, Wear rate, Fold type, Seamless type


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