Thermo-Mechanical Fatigue Behavior of P92
- In the present contribution, the thermo-mechanical fatigue and creep-fatigue behavior of two different 9% Cr steel grades (P91 and P92) was investigated. Standard LCF/TMF-tests as well as near-service loading tests with different hold times have been carried out to study the material behavior of the new loading scenarios. Microstructural investigations help to identify the observed deformation characteristics (like e.g. pronounced softening) and the dominating damage mechanisms under different loads. The test programme is complemented by selected tests on service-aged material which demonstrate possible reactions of older components in existing plants to changes in operation profiles. In a next step, the experimental results will be used for parameter identification of a deformation and lifetime model to predict the material behavior.
Autor*innen: | Maria Jürgens |
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Koautor*innen: | Birgit SkrotzkiORCiD |
Dokumenttyp: | Vortrag |
Veröffentlichungsform: | Präsentation |
Sprache: | Englisch |
Jahr der Erstveröffentlichung: | 2017 |
DDC-Klassifikation: | Technik, Medizin, angewandte Wissenschaften / Ingenieurwissenschaften / Angewandte Physik |
Freie Schlagwörter: | Ferritic-martensitic steels; Near-service testing; P91; P92; Power plant; Thermo-Mechanical Fatigue |
Veranstaltung: | LCF08 |
Veranstaltungsort: | Dresden, Germany |
Beginndatum der Veranstaltung: | 27.06.2017 |
Enddatum der Veranstaltung: | 29.06.2017 |
Verfügbarkeit des Dokuments: | Datei im Netzwerk der BAM verfügbar ("Closed Access") |
Datum der Freischaltung: | 04.10.2017 |
Referierte Publikation: | Nein |
Eingeladener Vortrag: | Nein |