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QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY
In recent years, manufacturing sites have strongly requested for the steel stud with large diameter to be welded in the horizontal position, which is difficult because of gravity. In this study, the steel stud of 19mm in diameter was welded horizontally to the mild steel plate by using ferrule for usage in flat position. As results two kinds of weld defect were observed; lack of fusion and blowhole. The former occurred in the welding condition of too small or too large heat input, and thedoi:10.2207/qjjws.34.204 fatcat:2v6mutd2ezddxkag7mdcdef7re