Figures index

From

Analysis of Reasons of Steam Turbogenerator Failure

František Trebuňa, František Šimčák, Marián Buršák, Miroslav Pástor

American Journal of Mechanical Engineering. 2015, 3(6), 267-271 doi:10.12691/ajme-3-6-23
  • Figure 1. Steam turbogenerator
  • Figure 2. Schema of steam turbogenerator
  • Figure 3. Turbine rotor with locations of failures
  • Figure 4. Damage of turbine rotor shaft in cross-section I-I
  • Figure 5. Damage of turbine shaft on the side of axial bearing (cross-section II-II)
  • Figure 6. Support on the side of axial bearing
  • Figure 7. View to the deformed support on the side of axial bearing
  • Figure 8. Damaged rotor disc on the fifth stage
  • Figure 9. View to disc part remaining on rotor
  • Figure 10. Detail view to damaged rotor disc
  • Figure 11. Specimen A from separated part of rotation wheel
  • Figure 12. Specimen B from the part of rotor that remains on the shaft
  • Figure 13. Location for taken specimen given in Figure 12
  • Figure 14. Microstructure of specimen A – tempered martensite - sorbit
  • Figure 15. Microstructure of specimen A – coarse carbide parts
  • Figure 16. Microstructure of specimen A – coarse carbide parts
  • Figure 17. Microstructure of specimen A with a crack initiated on surface
  • Figure 18. Microstructure of specimen B
  • Figure 19. Microstructure of specimen B
  • Figure 20. Chemical composition of basic material
  • Figure 21. Chemical composition of surface layer