The low-cycle fatigue of corrosion-resistant steels in high pressure hydrogen

The dependences of low-cycle durability of 11 corrosion-resistant steels of the main grades on gaseous hydrogen pressure within the range of 0.1…35 MPa at 293 K have been obtained. Homogeneous austenitic steels as well as the steels with intermetallide strengthening possess the highest service abili...

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Bibliographic Details
Published in:Procedia engineering 2010-04, Vol.2 (1), p.2367-2371
Main Authors: Balitskii, A.I., Vytvytskyi, V.I., Ivaskevich, L.M.
Format: Article
Language:English
Subjects:
Corrosion-resistant austenite
Embrittlement
High-strength martensitic-ageing and ferritic steels
Hydrogen pressure
Low-cycle durability
Preliminary hydrogenation
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Summary:The dependences of low-cycle durability of 11 corrosion-resistant steels of the main grades on gaseous hydrogen pressure within the range of 0.1…35 MPa at 293 K have been obtained. Homogeneous austenitic steels as well as the steels with intermetallide strengthening possess the highest service ability in hydrogen. Ni–Al–Ti steels treated for maximum heat resistance have the durability in hydrogen which is proportional to the content of Ti/Al and Ti, and is also determined by the treatment conditions. Transition materials and steels with unstable austenite form a group of steels with medium sensitivity to hydrogen. The group of metals that are catasrophic embrittled in hydrogen includes high-strength martensitic-ageing and ferritic steels.
ISSN:1877-7058
1877-7058
DOI:10.1016/j.proeng.2010.03.253