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Fretting corrosion and fretting fatigue in slow-moving joints of gas-turbine engines and power units

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Russian Engineering Research Aims and scope

Abstract

Models of fretting corrosion and fretting fatigue are considered. For the example of materials used in airplane gas-turbine engines and stationary power units, it is shown that the rate of fretting processes in slow-moving joints depends upon the relative displacement, the pressure, the conditions of loading, bending, and extension, and the materials of the components. Values of the effective stress-concentration coefficient are presented for slow-moving joints of shaft-bush type at normal and elevated temperatures; various pairs of materials are considered, with or without protective coatings.

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References

  1. Petukhov, A.N., Mechanism of Fretting and Fretting Fatigue in Low-Speed Joints of Machine Parts, Konv. Mashinostr., 2002, no. 4, pp. 42–47.

  2. Petukhov, A.N., Fretting Corrosion and Fretting Fatigue of Low-Speed Joints in Gas-Turbine Engines and Power Systems, Aviats.-Kosm. Tekhn. Tekhnol., 2004, no. 7(15), pp. 128–134.

  3. Smyslov, A.M. and Selivanov, K.S., Povyshenie dolgovechnosti detalei mashin v usloviyakh frettinga (Increasing the Life of Machine Parts in the Presence of Fretting), Ufa: Gilem, 2005.

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  4. Petukhov, A.N., Fretting and Fretting Fatigue of Highly Stressed Low-Speed Few-Cycle Joints in Gas-Turbine Engines and Power Systems, Voprosy aviatsionnoi nauki i tekhniki. Aviatsionnoe dvigatelestroenie (Aviation Science and Engineering: Aviation Motor Design), Moscow: TsIAM, 2006, issue 4(1328), pp. 29–58.

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  5. Petukhov, A.N., Mechanism of Fretting and Fretting Fatigue in Low-Speed Joints of Machine Parts, Voprosy aviatsionnoi nauki i tekhniki. Aviatsionnoe dvigatelestroenie (Aviation Science and Engineering: Aviation Motor Design), Moscow: TsIAM, 2008.

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Authors and Affiliations

  1. Baranov Central Institute of Aircraft-Engine Construction, Moscow, Russia

    A. N. Petukhov

Authors
  1. A. N. Petukhov
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Additional information

Original Russian Text © A.N. Petukhov, 2009, published in Vestnik Mashinostroeniya, 2009, No. 6, pp. 56–60.

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Petukhov, A.N. Fretting corrosion and fretting fatigue in slow-moving joints of gas-turbine engines and power units. Russ. Engin. Res. 29, 579–582 (2009). https://doi.org/10.3103/S1068798X09060124

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  • DOI: https://doi.org/10.3103/S1068798X09060124

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