The SkV-F thermit welding process - The effect of variations in rail end gap, preheating duration and tapping time on weld quality (TM-MET-71)

In the examination of the fractured weld from Bushey, it was suggested that the lack of fusion defect in the foot was primarily caused by the non-verticality of the moulds. Tests carried out at about the same time indicated that the sizes of the defects in the Bushey weld (980...