Weldability of duplex stainless steel
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The duplex stainless steels (DSS) have many advantages due to unique structural combination of ferrite and austenite grains. The structural change of these materials is very complex during welding and it deteriorates the functional properties. This research investigates different welding processes, such as laser beam, resistance, TIG, friction stir, submerged arc, and plasma arc weldings considering the research available in the literature. The welding mechanism, change of material structure and control parameters have been analysed for every welding process. This analysis clearly shows that duplex stainless steel melts in all most all welding processes but the thermal cycle and maximum heat input are different. This difference affects the resulting structure and functional properties of weld significantly.
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Pramanik, Alokesh; Basak, A.; Nomani, J.; Littlefair, G.; Islam, Mohammad Nazrul; Anandakrishnan, V. (2015)This chapter investigates two important processing methods, such as welding and machine of duplex stainless steel. The welding process welding generally degrades the properties of these materials by redistributing the ...
Pramanik, Alokesh; Littlefair, G.; Basak, A. (2015)Duplex stainless steels (DSSs) have many advantages due to the unique structural combination of ferrite and austenite grains. The structural change of these materials is very complex during welding, and it deteriorates ...
Use of the Critical Acidification Model to Estimate Critical Localized Corrosion Potentials of Duplex Stainless SteelsIannuzzi, Mariano; Kappes, M.; Rincon Ortiz, M.; Carranza, R. (2016)Crevice corrosion affects the integrity of stainless steels used in components exposed to seawater. Traditionally, crevice corrosion testing involves the use of artificial crevice formers to obtain a critical crevice ...