Abstract
The characterization of the corrosion fatigue behavior is detrimental for steels manufactured by laser beam powder bed fusion (PBF-LB). In this study, the corrosion and corrosion fatigue behavior of the austenitic stainless steel AISI 316L processed via PBF-LB with and without increased nitrogen content is investigated. The nitrogen alloyed steel shows improved pitting corrosion and fatigue behavior. A fracture mechanical approach was used for the fatigue data as surface defects lead to a high scatter in the results which not only allowed to separate the influence of defects but also to identify the improved defect tolerance due to nitrogen alloying.
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