Nanomechanical testing of hydrogen effects on super duplex stainless steel

Afrooz Barnoush, Adina Basa, Christian Thaulow

Research output: Contribution to journalArticlepeer-review

Abstract

The effect of hydrogen on the mechanical properties of the super duplex stainless steel is examined using in situ electrochemical nanoindentation (ECNI) tests. Within the ECNI, which is a nanoindenter combined with an electrochemical setup, the nanoindentation can be made on a surface that is immersed in an electrolyte and in situ electrochemically charged with hydrogen. In situ electrochemical nanoindentation testing captures the change in the onset of plasticity (pop-in load level) as well as the change in the hardness due to the absorption of the atomic hydrogen.
Original languageEnglish
Number of pages10
JournalMechanical Testing and Diagnosis
Publication statusPublished - 2012
Externally publishedYes

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