The relationship between atomic partitioning and corrosion resistance in the weld-heat affected zone microstructures of UNS S32304 duplex stainless steel
作者： Carlos Mario Garzón , Carlos A. Serna , Sérgio D. Brandi , Antonio J. Ramirez
DOI: 10.1007/S10853-007-1881-6
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摘要: Wrought material as well physically simulated welding heat affected zone (HAZ) samples of an UNS S32304 duplex stainless steel were subjected to electrochemical corrosion tests and electron microscopy characterization. An impaired resistance the HAZ microstructures compared wrought microstructure was observed. Calphad-based numerical simulation phase transformations solute redistribution taking place during provided explanation observed behavior. The poor studied mainly attributed a decrease in ferritic grains after welding, which exhibited lower chromium content than material.
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