Abstract
In this study, an experimental investigation of thin-walled GMA welded plates of AA5083-H116 has been carried out. The aim of this investigation is to study the effects of the GMAW process on the transient thermal and mechanical phenomena of the welded elements. Thick (4mm) plates of dimensions 700x300 mm2 were welded using a robotic arm. Measurements of the thermal strains and distortions were performed from the start of the procedure to the end of the cooling cycle together with measurements of the welding thermal cycles in specific positions. After the welding the weld-induced residual stresses field was revealed using the blind-hole-drilling technique while a metallographic examination in different cross sections in the weld area was carried out. The scope of this article is to provide results of combined transient thermal and mechanical phenomena with regards to microstructure of aluminum welded plates.
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