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- W3113437366 abstract "Problem statement.The reliability of the vane apparatus of steam turbines largely determines the operation of the turbine as a whole. The results of scientific research indicate that the surface operation of the blades in the wet-steam flow is caused by a combination of corrosion and drip erosion. The presence of chemical elements and compounds in the working fluid intensifies the process of blade wear. This problem is especially acute for the blades of the last stages of low-pressure cylinders, corrosion and erosion wear of which largely determines the service life of their work. A complex phenomenon, such as the destruction of the surface of the scapula feather as a result of aggressive environmental factors requires experimental studies. One of the ways to reduce the erosion wear of the blades is to increase the efficiency of anti-erosion properties by forming on the inlet edges of the protective layers that can withstand the effects of operational factors. The purpose of thearticle.Analysis of the influence of methods of strengthening the inlet edges of steam turbine blades made of steel 15Х11МФ on corrosion resistance. Conclusion. Corrosion tests of blade samples were carried out, the inlet edges of which were strengthened in three ways: high current amplification, electrospark alloying with T15K6 alloy, electrospark alloying with steel 15Х11МФ According to the results of the tests, the layer strengthened by hardening by high-frequency currents has the lowest corrosion rate, the layer strengthened by electrospark alloying with T15K6 hard alloy has the highest. The corrosion rate of the layer reinforced by electrospark alloying of steel 15Х11МФ is 2,1 less than that of the layer reinforced with T15K6 alloy." @default.
- W3113437366 created "2021-01-05" @default.
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- W3113437366 date "2020-12-13" @default.
- W3113437366 modified "2023-09-26" @default.
- W3113437366 title "Corrosion of steam turbine blades made of steel 15Х11МФ" @default.
- W3113437366 doi "https://doi.org/10.30838/j.pmhtm.2413.241120.45.690" @default.
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