Abradability and erosion resistance of seals in turbine engine air-gas channel

Farafonov D.P., Migunov V.P., Saraev A.A., Leschev N.E.
UDC
62-762
DOI
10.18577/2307-6046-2018-0-8-70-80
Article PDF (Russian) (822.48 KB)
How to cite
Farafonov D.P., Migunov V.P., Saraev A.A., Leschev N.E. Abradability and erosion resistance of seals in turbine engine air-gas channel // Proceedings of VIAM. 2018. No. 8. DOI: 10.18577/2307-6046-2018-0-8-70-80. URL: https://test.viam.ru/en/journal/2018/8/7
Keywords
abradability, erosion resistance, gas-turbine engine, sealing material, wear, wear debris.
Abstract

The main properties of abraded sealing materials defining efficiency of their application in flowing part of gas turbine engines, are abradability which can be provided by relative wear of sealing material and material of rotor details, and its erosion resistance, which has to be rather high to guarantee engine operation during the set resource. Abradability and erosion resistance are defined by strength properties of materials and are inversely proportional sizes therefore creation of effective abraded sealing materials is one of the most complex and actual challenges of aviation materials science. Results of researches of abradability and erosion resistance of modern aircraft engines of sealing materials applied in designs are given in article, and also the pilot materials developed by VIAM Federal State Unitary Enterprise

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