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  • The blade of the third turbine wheel (3TW) placed on the third low-pressure part (3LP) of the TG 1000 MW turbine broke during the start of turbine in October 2008. The low-pressure part blades of the third wheels are made from modified 12 % Cr martensitic steel AK1 TD.9, and the blades of the fourth wheels are made from X2CrNiMo13-4 steel. The study of causes and fracture mechanisms and also an analysis of the microstructure were performed. The main goal of these analyses was the description of microstructure influence on the crack initiation and propagation. Service loading history combined with fractographic findings offered information for a reconstruction of the blade failure history. Obtained results are summarised in presented article.
  • The blade of the third turbine wheel (3TW) placed on the third low-pressure part (3LP) of the TG 1000 MW turbine broke during the start of turbine in October 2008. The low-pressure part blades of the third wheels are made from modified 12 % Cr martensitic steel AK1 TD.9, and the blades of the fourth wheels are made from X2CrNiMo13-4 steel. The study of causes and fracture mechanisms and also an analysis of the microstructure were performed. The main goal of these analyses was the description of microstructure influence on the crack initiation and propagation. Service loading history combined with fractographic findings offered information for a reconstruction of the blade failure history. Obtained results are summarised in presented article. (en)
Title
  • Causes and Mechanisms of Service Failure of Turbine Blades
  • Causes and Mechanisms of Service Failure of Turbine Blades (en)
skos:prefLabel
  • Causes and Mechanisms of Service Failure of Turbine Blades
  • Causes and Mechanisms of Service Failure of Turbine Blades (en)
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  • RIV/68407700:21340/13:00214889!RIV14-MSM-21340___
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  • RIV/68407700:21340/13:00214889
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  • fatigue; fracture morphology; beach marks; striation; microstructure (en)
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  • Hájková, Pavlína
  • Janovec, Jiří
  • Siegl, Jan
  • Kober, Jan
  • Nedbal, Ivan
http://bibframe.org/vocab/doi
  • 10.12776/amsc.v3i0.118
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  • 21340
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