Abstract
The thermal fatigue time-temperature-strain-stress (TTSS) histories of single edge wedge specimens are investigated. Three dimensional (3D) twenty noded solid brick elements with an uncoupled temperature strain-stress analysis in ABAQUS package is used. A simple elasto-plastic model assuming linear isotropic hardening and considering only strain-stress curves under monotonic loading is applied. The TTSS history of a cast cobalt base superalloy Mar M509 is calculated using the temperature measurements which had previously been performed on a gas rig. The results are compared to a reported 2D FE-analysis in which a uniaxial cyclic viscoplastic constitutive equation has been used. This model takes into account the Bauschinger effect. A good agreement is observed between the two models. The elasto-plastic model is also used to calculate the TTSS histories of a nickel base superalloy IN100 where the temperature measurements are carried out on a thermal fatigue test rig using a high frequency oscillator for heating.
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© 1992 Elsevier Science Publishers Ltd
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Ramteke, A.L., Meyer-Olbersleben, F., Rézai-Aria, F. (1992). Three Dimensional Thermal Strain and Stress Analysis of Single Edge Wedge Specimens. In: Rie, KT., et al. Low Cycle Fatigue and Elasto-Plastic Behaviour of Materials—3. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-2860-5_46
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DOI: https://doi.org/10.1007/978-94-011-2860-5_46
Publisher Name: Springer, Dordrecht
Print ISBN: 978-94-010-5269-6
Online ISBN: 978-94-011-2860-5
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