Metal Science and Heat Treatment

, Volume 55, Issue 7–8, pp 445–450 | Cite as

Effect of δ-Ferrite on the Properties of Martensitic Steels

  • A. E. Korneev
  • A. F. Gromov
  • A. M. Kiselev
Corrosion-Resistant Alloys

The causes of formation of cracks in turbine vanes from high-chromium steels of martensitic class are studied. Spectrum, fractographic, and metallographic analyses of test pieces cut from turbine rotor blades in the state as delivered and after service are performed.

Key words

cracks fatigue martensite δ-ferrite chromium nitride 


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Copyright information

© Springer Science+Business Media New York 2013

Authors and Affiliations

  1. 1.Central Research Institute for Heavy Mechanical Engineering (NPO TsNIITMASh JSC)MoscowRussia
  2. 2.Novovoronezhskaya NPPVoronezhRussia

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