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- Title
Integranular corrosion susceptibility analysis in austeno‐ferritic (duplex) stainless steels.
- Authors
Iacoviello, F.; Di Cocco, V.; Franzese, E.
- Abstract
Abstract: Duplex stainless steels (DSSs) are characterized by a really good generalized corrosion resistance in many environments and by really interesting mechanical properties, considering both static or quasi‐static and cyclic loading conditions. DSSs are characterized by secondary phases, nitrides, and carbides precipitation phenomena, with consequent age hardening and embrittlement. These mainly occur inside ferritic grains and next to ferrite‐austenite grain boundaries, with a consequent DSS susceptibility to intergranular and/or localized corrosion phenomena and the initiation and propagation of intergranular cracks. In this work, the influence of the secondary phases, nitrides, and carbides precipitation phenomena on intergranular and localized DSS corrosion resistance was investigated, considering both the lower and higher critical temperature ranges and steel chemical composition.
- Subjects
DUPLEX stainless steel; CORROSION resistance; MECHANICAL behavior of materials; CHLORIDE ions; AUSTENITIC stainless steel
- Publication
Fatigue & Fracture of Engineering Materials & Structures, 2018, Vol 41, Issue 4, p739
- ISSN
8756-758X
- Publication type
Article
- DOI
10.1111/ffe.12743