Application of a Modified Stress−Strain Approach for the Fatigue‐Life Prediction of a Ferritic, an Austenitic and a Ferritic–Austenitic Duplex Steel under Isothermal and Thermo‐Mechanical Fatigue | Zendy

Kulawinski Dirk | Zendy; Kolmorgen Roman | Zendy; Biermann Horst | Zendy

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Application of a Modified Stress−Strain Approach for the Fatigue‐Life Prediction of a Ferritic, an Austenitic and a Ferritic–Austenitic Duplex Steel under Isothermal and Thermo‐Mechanical Fatigue

Author(s) -

Kulawinski Dirk,

Kolmorgen Roman,

Biermann Horst

Publication year - 2016

Publication title -

steel research international

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.603

H-Index - 49

eISSN - 1869-344X

pISSN - 1611-3683

DOI - 10.1002/srin.201500410

Subject(s) - austenite , materials science , isothermal process , metallurgy , duplex (building) , stress (linguistics) , microstructure , thermodynamics , linguistics , physics , genetics , philosophy , dna , biology

The isothermal and thermo‐mechanical fatigue behavior of the ferritic–austenitic duplex stainless steel X2CrNiMoN22‐5‐3 is investigated in the temperature range of 100–600 °C. Furthermore, isothermal and thermo‐mechanical fatigue tests on single‐phase ferritic and austenitic reference steels are carried out within the same temperature range. A recently developed fatigue‐lifetime description is applied and modified for all tests as well as on the different steels individually, providing appropriate fatigue‐life predictions.

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