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Short crack growth based procedures to assess fatigue life of components subjected to thermal cyclic loading.

Warmuth, Teresa ; Bauerbach, Kai ; Vormwald, Michael ; Rudolph, Jürgen (2010)
Short crack growth based procedures to assess fatigue life of components subjected to thermal cyclic loading.
18th European Conference on Fracture ECF18. Dresden (2010)
Konferenzveröffentlichung, Bibliographie

Kurzbeschreibung (Abstract)

The results of three different fatigue lifetime assessment procedures are compared for the study case of a thick-walled pipe made of stainless austenitic steel (German stabilized austenite 1.4550) and subjected to thermal cyclic loading. In detail, calculated fatigue lifetime according to the damage parameters D_TMF [1] and P_J [2] on one hand and code conforming fatigue analysis using ASME Section III, Division 1, NB 3000 [3] on the other hand are contrasted. Herein, the damage parameter D_TMF is a generalization of the D_CF parameter according to Riedel. It is a measure of the damaging effect of an arbitrary non-isothermal loading cycle. Like the damage parameter P_J it uses an approximation formula for the determination of the effective cyclic J-integral. D_TMF and P_J are used to describe the fatigue process in terms of short crack growth.

Typ des Eintrags: Konferenzveröffentlichung
Erschienen: 2010
Autor(en): Warmuth, Teresa ; Bauerbach, Kai ; Vormwald, Michael ; Rudolph, Jürgen
Art des Eintrags: Bibliographie
Titel: Short crack growth based procedures to assess fatigue life of components subjected to thermal cyclic loading.
Sprache: Englisch
Publikationsjahr: 2010
Ort: Dresden
Titel der Zeitschrift, Zeitung oder Schriftenreihe: Proceedings of the 18th European Conference on Fracture ECF18, Dresden, 2010
Buchtitel: Proceedings of the 18th European Conference on Fracture ECF18
Veranstaltungstitel: 18th European Conference on Fracture ECF18
Veranstaltungsort: Dresden
Veranstaltungsdatum: 2010
Kurzbeschreibung (Abstract):

The results of three different fatigue lifetime assessment procedures are compared for the study case of a thick-walled pipe made of stainless austenitic steel (German stabilized austenite 1.4550) and subjected to thermal cyclic loading. In detail, calculated fatigue lifetime according to the damage parameters D_TMF [1] and P_J [2] on one hand and code conforming fatigue analysis using ASME Section III, Division 1, NB 3000 [3] on the other hand are contrasted. Herein, the damage parameter D_TMF is a generalization of the D_CF parameter according to Riedel. It is a measure of the damaging effect of an arbitrary non-isothermal loading cycle. Like the damage parameter P_J it uses an approximation formula for the determination of the effective cyclic J-integral. D_TMF and P_J are used to describe the fatigue process in terms of short crack growth.

Freie Schlagworte: thermal cyclic loading, damage parameters, fatigue lifetime assessment, short crack based approaches, lifetime and ageing management
Fachbereich(e)/-gebiet(e): 13 Fachbereich Bau- und Umweltingenieurwissenschaften > Institut für Stahlbau und Werkstoffmechanik > Fachgebiet Werkstoffmechanik
13 Fachbereich Bau- und Umweltingenieurwissenschaften > Institut für Stahlbau und Werkstoffmechanik
13 Fachbereich Bau- und Umweltingenieurwissenschaften
Hinterlegungsdatum: 08 Jul 2014 14:38
Letzte Änderung: 06 Feb 2015 11:12
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