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Keywords: fatigue
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Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2022, 144(2): 021006.
Paper No: GTP-21-1354
Published Online: November 1, 2021
... specimens. The three different shear loading configurations of dynamic fatigue, static fatigue, and cyclic fatigue were employed to assess their individual respective lives. The MI SiC/SiC CMC exhibited low susceptibility to fatigue (“slow crack growth”) regardless of loading configuration. A life...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2019, 141(1): 011021.
Paper No: GTP-18-1297
Published Online: September 18, 2018
... are reported. The paper covers the testing strategy applied and information on crucial material parameters like improved low cycle and high cycle fatigue (HCF) behavior while keeping good stress corrosion cracking (SCC) resistance and corrosion fatigue (CF) properties. Furthermore, first manufacturing...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2018, 140(6): 062503.
Paper No: GTP-17-1488
Published Online: January 23, 2018
... URBINES AND P OWER . Manuscript received September 1, 2017; final manuscript received September 27, 2017; published online January 23, 2018. Editor: David Wisler. 01 09 2017 27 09 2017 Computational Energy Fatigue Modeling Fracture prediction Determining the fitness...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2018, 140(4): 042501.
Paper No: GTP-17-1357
Published Online: October 31, 2017
...C. H. Richter; U. Krupp; M. Zeißig; G. Telljohann Slender turbine blades are susceptible to excitation. Resulting vibrations stress the blade's fixture to the rotor or stator. In this paper, high cycle fatigue at the edge of contact (EOC) between blade and rotor/stator of such fixtures...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2018, 140(3): 031901.
Paper No: GTP-17-1166
Published Online: October 17, 2017
... OWER . Manuscript received May 12, 2017; final manuscript received July 25, 2017; published online October 17, 2017. Editor: David Wisler. 12 05 2017 25 07 2017 Computational Fatigue Heat transfer Intelligent control Modeling Thermal Efforts to improve engine...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2018, 140(2): 022604.
Paper No: GTP-17-1370
Published Online: October 3, 2017
... cycles to reduce time while providing more frequent start-up events. All these actions result in much higher levels of thermostresses, a lifetime consumption of primary components and an increased demand for accurate thermostructural and low cycle fatigue (LCF) simulations. In this study, some aspects...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2017, 139(12): 122101.
Paper No: GTP-17-1256
Published Online: September 13, 2017
...Robert Eriksson; Zhe Chen; Krishna Praveen Jonnalagadda Thermal barrier coatings (TBCs) are ceramic coatings used in gas turbines to lower the base metal temperature. During operation, the TBC may fail through, for example, fatigue. In this study, a TBC system deposited on a Ni-base alloy...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2017, 139(11): 112502.
Paper No: GTP-16-1554
Published Online: June 21, 2017
...Weizhe Wang; Sihua Xu; Yingzheng Liu The aim of this study was to investigate the cyclic creep–fatigue interaction behavior in a steam turbine inlet valve under cyclic thermomechanical loading conditions. Three years and nine iterations of idealized startup–steady-state operation–shutdown process...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2017, 139(9): 092602.
Paper No: GTP-16-1565
Published Online: April 11, 2017
... to calculate online damage and support CBM decision. Then the stress and temperature distribution of blades will become as the input of the creep damage analysis model and the fatigue damage analysis model. The interactive damage of blades will be evaluated based on the creep and fatigue analysis results...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2017, 139(7): 072501.
Paper No: GTP-16-1426
Published Online: February 14, 2017
...M.-H. Herman Shen; Sajedur R. Akanda An energy-based framework is developed for welded steel and AL6061-T6 for assessment of nonlinear evolution of fatigue damage accumulation along fatigue life. The framework involves interrogation at continuum using a newly developed experimental procedure...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2017, 139(5): 052101.
Paper No: GTP-16-1432
Published Online: January 10, 2017
...Xijia Wu; Zhong Zhang; Leiyong Jiang; Prakash Patnaik Nozzle guide vanes (NGV) of gas turbine engines are the first components to withstand the impingement of hot combustion gas and therefore often suffer thermal fatigue failures in service. A lifting analysis is performed for the NGV of a gas...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2017, 139(2): 022504.
Paper No: GTP-16-1236
Published Online: September 13, 2016
...; published online September 13, 2016. Editor: David Wisler. 19 06 2016 03 07 2016 Fatigue Finite element fracture Gas turbine technology Fracture prediction As gas turbine continuously elevates the gas inlet temperature to improve their efficiency, thermal barrier coatings...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2017, 139(2): 022601.
Paper No: GTP-15-1246
Published Online: September 13, 2016
... control for restarts after the 180-h cool-down Energy systems Fatigue Thermodynamics Control systems Operations of combined cycle power plants (CCPPs) are required to maintain the electric power grid stability due to the increase in power supplied from renewable sources such as wind...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2017, 139(1): 012505.
Paper No: GTP-16-1262
Published Online: August 16, 2016
... 2016 Fatigue Finite element methods Nonintrusive diagnostics Structural dynamics Vibration Fracture prediction The phenomenon of the increased damping in parametrically excited mechanical systems has been first observed by Tondl [ 1 ], who analyzed self-excited systems...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2016, 138(9): 092501.
Paper No: GTP-15-1162
Published Online: March 22, 2016
...Weizhe Wang; Patrick Buhl; Andreas Klenk; Yingzheng Liu A continuum damage mechanics (CDM) based viscoplastic constitutive model is established in this study to describe the fully coupling of creep and fatigue behavior. The most significant improvement is the introduction of a continuum damage...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2016, 138(7): 072503.
Paper No: GTP-15-1462
Published Online: December 4, 2015
...Xijia Wu; Zhong Zhang Deformation and damage accumulation occur by fundamental dislocation and diffusion mechanisms. An integrated creep–fatigue theory (ICFT) has been developed, based on the physical strain decomposition rule that recognizes the role of each deformation mechanism, and thus relate...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2016, 138(6): 062101.
Paper No: GTP-15-1413
Published Online: November 17, 2015
..., there is considerable redistribution of stresses and strains due to inelastic deformations during the crack initiation phase. Therefore, the subsequent crack growth occurs through a material with significant residual stresses and strains. In this work, fatigue crack propagation experiments, including the initiation...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2016, 138(4): 042506.
Paper No: GTP-15-1141
Published Online: October 26, 2015
...Christian Busse; David Gustafsson; Patrik Rasmusson; Björn Sjödin; Johan J. Moverare; Kjell Simonsson; Daniel Leidermark In this paper, the possibility to use linear elastic fracture mechanics (LEFM), with and without a superimposed residual stress field, to predict fatigue crack propagation...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2016, 138(4): 042101.
Paper No: GTP-15-1380
Published Online: October 21, 2015
... to bring a product to market, and increase the likelihood of failure-free operation. This paper presents an approach using equivalent low-cycle fatigue (LCF) material properties which avoids the need to explicitly model the morphology of the microstructure in the region of the microporosity...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2016, 138(4): 042601.
Paper No: GTP-15-1285
Published Online: October 13, 2015
..., magnetic, ultrasonic, radiographic testing Residual stresses Bore hole, ring core method Metallography Microstructure Hardness profiles HV10, HV0.5 a Static strength Tensile test (cross weld, RT, >RT) Toughness Charpy-V test (notch in different zones), FATT50% b Fatigue Low...