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Life-time prediction for advanced low alloy steel P23

: Hartrott, P. von; Holmström, S.; Caminada, S.; Pillot, S.

Preprint urn:nbn:de:0011-n-961315 (317 KByte PDF)
MD5 Fingerprint: 329ba69ddcda2d656908ae55aae5a605
Created on: 30.3.2012

Glatzel, U.:
11th International Conference of Creep and Fracture of Engineering Materials and Structures, CREEP 2008 : Held at Bad Berneck, Germany, 4 - 9 May 2008
Amsterdam: Elsevier, 2009 (Materials science & engineering. A, Structural materials: properties, microstructure and processing 510/511.2009)
ISSN: 0921-5093
International Conference of Creep and Fracture of Engineering Materials and Structures (CREEP) <11, 2008, Bad Berneck>
Conference Paper, Journal Article, Electronic Publication
Fraunhofer IWM ()

Lifetime models for both creep and thermo-mechanical fatigue are presented for P23 steel. The models are the result of the joint European RFCS project ALoAS. The creep model, developed for robust creep strain modeling, here adjusted to describe the strain response of the AWAS data, i.e. P23 pipe material fabricated by TenarisDalmine and plate material heat fabricated by Industeel. The creep modeling range covers 550-660 degrees C in temperature and 80-180 MPa in stress. The thermo-mechanical fatigue model is adjusted to the acquired data on thick walled P23 pipe material fabricated by TenarisDalmine. The load range covers 20-625 degrees C and up to 16,000 cycles to failure. A good description of the data has been achieved for both creep and fatigue models.