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To evaluate thermal stress damage during the cyclic operation for power plant, experiments were carried out on low cycle fatigue with hold time for 9 Cr ferritic steel. Initially, the experimental fatigue life was evaluated using the time fraction and ductility exhaustion method. Next, to predict the plastic deformation curve for low cycle fatigue with hold time, an attempt was made to simulate cyclic hysteresis loop behaviour numerically using a time-dependent viscoplastic constitutive model.
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This page is a summary of: Effect of strain rate on low cycle fatigue with hold time in 9Cr rotor steel, Materials Research Innovations, August 2013, Taylor & Francis,
DOI: 10.1179/1432891713z.000000000252.
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