Dynamic strain aging and microstructural damage mechanism of austenitic stainless steel under thermomechanical fatigue in the temperature range of 250–400° C

P Yin, W Zhang, Q Yang, F Liang, G Zhang… - International Journal of …, 2022 - Elsevier
Thermomechanical fatigue tests were performed on austenitic stainless steel in the
temperature range of 250–400° C. Results show that the increase in strain amplitude …

[HTML][HTML] Out-of-phase thermomechanical fatigue crack propagation in a steam turbine steel—modelling of crack closure

A Azeez, V Norman, R Eriksson, D Leidermark… - International Journal of …, 2021 - Elsevier
Understanding of crack growth behaviour is necessary to predict accurate fatigue lives. Out-
of-phase thermomechanical fatigue crack propagation tests were performed on FB2 steel …

Assessment of crack-tip fields of thermo-mechanical elastoplastic fatigue crack growth

M Xu, H Yuan - Theoretical and Applied Fracture Mechanics, 2023 - Elsevier
The present paper computationally investigated and characterized thermo-mechanical crack-
tip fields under elastoplastic fatigue crack growth. The ΔJ-integral is generally path …

[HTML][HTML] The effect of dwell times and minimum temperature on out-of-phase thermomechanical fatigue crack propagation in a steam turbine steel—crack closure …

A Azeez, R Eriksson, V Norman, D Leidermark… - International Journal of …, 2022 - Elsevier
Exploring crack growth behaviour is needed to establish accurate fatigue life predictions.
Cracked specimens were tested under strain-controlled out-of-phase thermomechanical …

Thermomechanical fatigue behaviour and damage mechanisms in a 9% Cr steel: Effect of strain rate

P Yin, W Zhang, S Guo, J Wen, G Zhang, F Xue… - Materials Science and …, 2021 - Elsevier
Thermomechanical fatigue (TMF) loading is inevitable during the operation of ultra-
supercritical power plants. In the present work, TMF tests are carried out at strain rates of 5× …

Effect of microstructure on the fatigue crack growth behavior of 9% Cr martensitic steel at different stress ratios under 630℃

Q Wang, F Yang, T Zou, M Liu, Y Jiang, Y Pei… - International Journal of …, 2023 - Elsevier
To understand the effect of mean stress and microstructure on the fatigue crack growth
(FCG) behavior of 9% Cr martensitic steel under high temperatures, the FCG experiments …

Crack Closure in Cycles with Dwell Times at High Temperature

F Garnadt, C Kontermann, M Oechsner - Engineering Fracture Mechanics, 2022 - Elsevier
The growth of short cracks in round bar specimens with a circumferential notch has been
investigated by an extensive experimental study. This specific specimen geometry has been …

[HTML][HTML] Accounting for crack closure effects in out-of-phase TMF crack growth with extended hold times

J Loureiro-Homs, P Almroth, F Palmert… - International Journal of …, 2022 - Elsevier
The crack growth behaviour of the alloy CM 247 LC is investigated for out-of-phase TMF and
isothermal tests at the same temperature as the minimum temperature in the TMF tests. The …

[HTML][HTML] Modelling the crack growth behaviour of a single crystal nickel base superalloy under TMF loading with long dwell times

F Palmert, P Almroth, D Gustafsson… - International Journal of …, 2021 - Elsevier
The influence of hold time on the crack growth behaviour of a single crystal nickel base
superalloy under in-phase thermomechanical fatigue is investigated. Two da/dt models were …

Thermo-mechanical fatigue behavior of an additively manufactured nickel-based superalloy

L Zhang, L Lu, Y Wang, W Li, Z Yu, R Jiang… - Available at SSRN … - papers.ssrn.com
Thermo-mechanical fatigue (TMF) tests were performed for vertically and horizontally
selective laser melting (SLM) additive manufactured nickel-based superalloy, and also …