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Cyclic softening of martensitic steels at high temperature—Experiments and physically based modelling

✍ Scribed by Maxime Sauzay; Benjamin Fournier; Michel Mottot; André Pineau; Isabelle Monnet

Publisher
Elsevier Science
Year
2008
Tongue
English
Weight
443 KB
Volume
483-484
Category
Article
ISSN
0921-5093

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This paper describes a model used to represent the cyclic mechanical behaviour of P91 martensitic steel. Low cycle fatigue tests were conducted at 600 C using a thermo-mechanical fatigue test machine. A unified, Chaboche viscoplasticity model, was used to model the behaviour of the steel. The micros