Failure investigation of a low-pressure turbine blade

  • S. J. Ghosh
Peer Reviewed Articles


Several blades at a thermal power plant had failed during operation. Extensive visual, metallographic, and microhardness tests indicated that the initiation of the failure had been due to cracks formed due to fretting, which subsequently propagated in fatigue.


blade fretting turbine 


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Copyright information

© ASM International 2004

Authors and Affiliations

  • S. J. Ghosh
    • 1
  1. 1.Metals Research LaboratoryBharat Heavy Electricals Ltd., RanipurHardwarIndia

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