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Improvement in the casting technology of blades for aviation gas-turbine engines made of TNM-B1 titanium aluminide alloy produced by induction crucible melting

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Abstract

Properties of the TNM-B1 γ-titanium aluminide alloy are investigated in order to find reliable results of a simulation of casting processes used to produce the blades of gas-turbine aircraft engines. Thermal properties of the TNM-B1 alloy are experimentally determined using the methods of differential scanning calorimetry (DSC), laser flash analysis (LFA), and dilatometry (DIL). Various variants of gate-feeding systems for the production of cast blades using a vacuum induction melting furnace (Consarc, Scotland) in conditions of the Ufa Engine Production Association (OAO UMPO) are considered. The test casting is obtained and its defects are analyzed. A good correspondence of results of simulation to the actual centrifugal filling of blades is shown.

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Authors and Affiliations

  1. National University of Science and Technology “MISiS”, Leninskii pr. 4, Moscow, 119049, Russia

    A. V. Fadeev, V. E. Bazhenov & A. V. Koltygin

Authors
  1. A. V. Fadeev
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  2. V. E. Bazhenov
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  3. A. V. Koltygin
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Corresponding author

Correspondence to A. V. Fadeev.

Additional information

Original Russian Text © A.V. Fadeev, V.E. Bazhenov, A.V. Koltygin, 2014, published in Izvestiya VUZ. Tsvetnaya Metallurgiya, 2014, No. 6, pp. 28–33.

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Fadeev, A.V., Bazhenov, V.E. & Koltygin, A.V. Improvement in the casting technology of blades for aviation gas-turbine engines made of TNM-B1 titanium aluminide alloy produced by induction crucible melting. Russ. J. Non-ferrous Metals 56, 26–32 (2015). https://doi.org/10.3103/S1067821215010071

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  • DOI: https://doi.org/10.3103/S1067821215010071

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