Lei Han
Beihang University
Combined cycleBrittlenessPolishingFull scaleEnergy-dispersive X-ray spectroscopyComposite materialBlade (geometry)Test dataMetallurgyMaterials scienceVibrationTurbine bladeSuperalloyPower densityScanning electron microscopeSurface finishingTest (assessment)Low-cycle fatigueDamage mechanicsCoatingFatigue testingMaterial dataFracture processProcessing methodsModel parametersResidual stressComputer scienceLaserShot peeningExperimental dataContrast (statistics)Structural engineeringShock (mechanics)PeeningStress (mechanics)
5Publications
3H-index
26Citations
Publications 5
Newest
#1Lei Han (Beihang University)H-Index: 3
#2Dawei Huang (Beihang University)H-Index: 6
Last. Mingjing Qi (Beihang University)H-Index: 8
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Abstract A new combined high and low cycle fatigue (CCF) life prediction model based on the damage mechanics theory is proposed in this paper. The model parameters are fitted based on the material data and blade data respectively. Verification tests are carried out to evaluate predicted results in combination with the experimental data. Results illustrate that the new model based on the blade data can predict the blade life with relatively higher accuracy (within 2.2 times of scatter band), whic...
15 CitationsSource
#1Lei Han (Beihang University)H-Index: 3
#2Dawei Huang (Beihang University)H-Index: 6
Last. Mingjing Qi (Beihang University)H-Index: 8
view all 8 authors...
Abstract Fatigue properties of K403 superalloy blades were tested using a combined high cycle fatigue (HCF) and low cycle fatigue (LCF) loading. Samples were tested in the as-cast, as-aluminized, and as-strengthened conditions. The strengthening treatment was wet sand blasting the blade root, followed by shot peening, and vibratory polishing. Metallographic and scanning electron microscope (SEM) fractographic examinations were conducted on the blades, including detailed characterization of the l...
16 CitationsSource
#1Cao Chen (Beihang University)H-Index: 4
#2Xiaoyong Zhang (Beihang University)H-Index: 7
Last. Xiaojun Yan (Beihang University)H-Index: 3
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#1Lei Han (Beihang University)H-Index: 3
#2Cao Chen (Beihang University)H-Index: 4
Last. Xiaojun Yan (Beihang University)H-Index: 3
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3 CitationsSource
#1Songwang Zheng (Beihang University)
#2Cao Chen (Beihang University)H-Index: 4
Last. Xiaojun Yan (Beihang University)H-Index: 3
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