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Blowhole formation in gas metal arc welding for sealing parts
密封形溶接における気孔発生原因
1986
QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY
密封形溶接における気孔発生原因
In welding for sealing purpose, blowhole are frequently formed by a small rise of the pressure within a space sealed by welding. The critical pressure for blowhole formation was studied in relation to the clearance in weld joint. The clearance is simulated by the narrow hole provided in a block specimen. The inner space was filled with a gas and the outside of the hole was melted. The results are summarized as follows: (1) The critical pressure for blowhole formation is determined by the
doi:10.2207/qjjws.4.389
fatcat:runvbyikejhdlnjrc3b56jbr6q