Multi-scale complex failure analysis of aero engine compressor disks

Abstract

Multi-scale complex failure analysis of aero engine compressor disks has been performed which includes microfractographic observations and 3D finite element crack analysis. Fracture origins and crack growth period have been determined. The analysis has been verified by the data of crack growth direct observations.

About the authors

N. V. Tumanov

Central Institute of Aviation Motors (CIAM), Moscow

Author for correspondence.
Email: tumanov@rtc.ciam.ru

Candidate of Technical Sciences

Head of Sector

Russian Federation

A. M. Porter

NPO «Saturn», Rybinsk

Email: aleksandr.porter@npo-saturn.ru

Candidate of Technical Sciences

Head of Division

Russian Federation

M. A. Lavrentyeva

Central Institute of Aviation Motors (CIAM), Moscow

Email: tumanov@rtc.ciam.ru

Leading Designer

Russian Federation

S. A. Cherkasova

Central Institute of Aviation Motors (CIAM), Moscow

Email: tumanov@rtc.ciam.ru

Leading Designer

Russian Federation

N. A. Vorobyova

Central Institute of Aviation Motors named after P.I. Baranov, Moscow

Email: tumanov@rtc.ciam.ru

Leading Engineer

Russian Federation

D. P. Lyoshin

NPO «Saturn», Rybinsk

Email: aleksandr.porter@npo-saturn.ru

Leading Designer

Russian Federation

References

  1. Siratori, M. Computational fracture mechanics [Text] / M. Siratori, Т. Miesi, H. Matsusita. – Moscow: Mir, 1986. – 334 p.
  2. Tumanov, N. V. Fatigue crack kinetic stages and mechanism of periodic splittingrupture [Text] / N. V. Tumanov // Deformation and structure of materials: I Int. conf. – Vol.1. Intercontakt Nauka, 2006. – pp. 85-87.
  3. Tumanov, N. V. Reconstitution and prediction of fatigue crack propagation in aero engine discs [Text] / N. V. Tumanov, M. A. Lavrenteva, S. A. Cherkasova // Conversion in machine building in Russia. – 2005. – №4,5. – pp 98-106.
  4. Tumanov, N. V. Modeling stable growth of fatigue cracks in aero engine turbine discs under simple and complex loading cycles [Text] / N. V. Tumanov, M. A. Lavrenteva, S. A. Cherkasova, A. N. Servetnik // Vestnik SSAU. – 2009. №3(19). Part 1. pp. 188-199.

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