| dc.description.abstract | Bending deformity as a troublesome metallurgy issue is surely create in thin-plate arc-welded
parts (mainly inferior 4 mm in thickness). This study aims to clarify the impact of welding
sequence and external restraint on out-of-plane deformity in thin plates to learn a productive
and practical design for the stop of welding-induced bending deformity. The exploratory
method was taking advantage of for search present. The experimental results reveal that the
outside limitation cannot avoid bending deformity in the thin-secure weldments, while it can
considerably mitigate the amount of transverse (about 1.9 mm in this place) but not long
turning. The welding sequence method can halt warping deformity, but it cannot remove the
transverse bending persuaded by the non-uniform temperature field in the thin-plate thickness
direction. In the present work, the transverse turning in the well-proportioned connecting is the
lowest (about 1.9 mm), while that in the back-step welding is the largest (about 7.6 mm). In
addition, symmetrical welding and continuous welding introduce the lowest (about 0.2 mm)
and maximal (about 3.5 mm) longitudinal bending, individually. Two together outside restraint
and welding sequence keep affect the bending deformity trend. For the thin-plate arc-welded
components, symmetrical welding combined with external restraint is a very direct strategy for
avoiding bending deformity. So the best result is symmetrical welding combined with external
restraint (about 0.4 mm longitudinal bending and 0.2 mm transverse bending). | en_US |
