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A multi-axial cyclic viscoplasticity model for high temperature fatigue of P91 steel
(Maney Online, 2014)
This paper presents a novel multiaxial, cyclic viscoplasticity material model for high temperature low cycle fatigue of P91 power plant steel. The model incorporates mechanisms-based variable strain-rate sensitivity and ...
High temperature, low cycle fatigue characterisation of P91 weld and heat affected zone material
(American Society of Mechanical Engineers, 2014-01-08)
The high temperature low cycle fatigue behavior of P91 weld metal (WM) and weld joints (cross-weld) is presented. Strain-controlled tests have been carried out at 400 °C and 500 °C. The cyclic behavior of the weld material ...
Cyclic viscoplasticity testing and modelling of a service-aged P91 steel
(American Society of Mechanical Engineers, 2014-04-16)
A service-aged P91 steel was used to perform an experimental program of cyclic mechanical testing in the temperature range of 400 °C–600 °C, under isothermal conditions, using both saw-tooth and dwell (inclusion of a ...