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The influence of the prior cold work (0, 10, 30, and 30% thickness reduction) on the microstructure evolution and corrosion resistance of UNS S32304 lean duplex stainless steel (LDSS) welded by gas metal arc welding (GMAW) process was investigated. The cold work promotes flattening of the ferrite and austenite bands, deformed regions in the austenite and increase of the hardness of the material....
The effect of the welding GMAW, with heat input of 1.4 kJ/mm, on the microstructure and corrosion resistance of the steel UNS S32304 prior cold worked (0, 10, 30, and 30% thickness reduction) was evaluated. The welding process generated, in the weld joint, the regions: fusion zone (FZ), heat‐affected zone (HAZ), an annealed region around the HAZ, and the metal base zone (BM) deformed by cold working...
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