Fatigue Strength Simulation and Prediction of a Turbine Blade

Milan Růžička; Josef Jurenka; Martin Nesládek; Ján Džugan

doi:10.4028/www.scientific.net/KEM.627.229

Paper Titles

Automation Using Matrix Switch for Piezoelectric Actuator/Sensor Based Structural Health Monitoring
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Localization of Barely Visible Impact Damage (BVID) in Composite Plates
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Fracture in the Single Cantilever Beam Test with Large Scale Bridging
p.221

Intersection of Interface Crack Front with Free Edge
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Fatigue Strength Simulation and Prediction of a Turbine Blade
p.229

Study of Nanostructured Composites Using the Sclerometry Method
p.233

Validity of the Finite Fracture Mechanics Based Asymptotic Analysis for Predictions of Crack Deflection in Thin Layers of Ceramic Laminates
p.237

Characterization of Local Deformation in Welded Joints Using a Combined Experimental and Numerical Approach
p.241

The Effect of Anchorage Strength with Anchorage Capacity in Flat Plate
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HomeKey Engineering MaterialsKey Engineering Materials Vol. 627Fatigue Strength Simulation and Prediction of a...

Fatigue Strength Simulation and Prediction of a Turbine Blade

Abstract:

Fatigue strength prediction methods of blades of a high pressure steam turbine are the main topic of this article. Experimental approaches, as well as use of the experimental results for the verification of the finite element method (FEM) and fatigue models, were performed on two basic levels. First, verification by the fatigue tests of smooth and notched cylindrical specimens under room and service conditions was performed. Second, verification of the real blade fatigue limit prediction was conducted. These tests were carried out using special test stand under the typical combined blades loading. Appropriate uniaxial and multiaxial fatigue criteria were applied. Achieved results were finally used in the process of the fatigue strength prediction of rotor blades.

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Periodical:

Key Engineering Materials (Volume 627)

Pages:

229-232

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.627.229

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Online since:

September 2014

Authors:

Milan Růžička*, Josef Jurenka, Martin Nesládek, Ján Džugan

Keywords:

Fatigue Strength, Fatigue Test, Multiaxial Fatigue, Steam Turbine Blade, Superheated Steam

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