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  1. No Access

    Article

    Method for Assessing the Structural Stability of Refractory Nickel Alloys Based on Determination of Parameter PS of Phase Stability

    Anew method for assessing the structural stability of nickel-base refractory alloys is suggested. The method is based on determination of the parameter of phase stability and allows for the dynamics of the deg...

    A. G. Tyagunov, D. A. Tarasov, O. B. Milder… in Metal Science and Heat Treatment (2022)

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    Article

    Simulation of the Dynamics of Changing the Heat Resistance of Nickel Alloys by Machine Learning Methods

    Data on the nature of changing the heat resistance of nickel alloys, which are used for making the most critical parts, is of great topicality for the design of gas turbine engines of high resource. A model of...

    A. G. Tyagunov, D. A. Tarasov, O. B. Mil’der in Physics of Metals and Metallography (2021)

  3. No Access

    Article

    Structure and Properties of Ni–Al Alloys in the Liquid State

    The structure and the properties of liquid Ni–Al alloys have been studied in a wide temperature range. An analysis of the temperature dependences of the physical and chemical properties of these alloys has dis...

    A. G. Tyagunov, E. E. Baryshev, G. V. Tyagunov… in Russian Metallurgy (Metally) (2019)

  4. No Access

    Article

    Effect of Secondary Melt Refining on the Properties of an EP602 Nickel Superalloy

    The influence of argon blowing of the EP602 alloy melt in a ladle is considered. Ladle treatment during the manufacture of nickel superalloys is shown to form a more equilibrium and homogeneous structure of a ...

    A. G. Tyagunov, E. E. Baryshev, G. V. Tyagunov… in Russian Metallurgy (Metally) (2017)

  5. No Access

    Article

    Effect of microalloying and the melting temperature on the properties of ChS70 and ChS88 alloys in the liquid and solid states

    The temperature ranges of the structural transformations associated with the transition of a melt into a homogeneous or microhomogeneous state are determined as a result of a comprehensive study of the physica...

    A. G. Tyagunov, V. V. Vyukhin, E. E. Baryshev… in Russian Metallurgy (Metally) (2015)

  6. No Access

    Article

    Increasing the quality of the EP902 alloy using its properties in the liquid and solid states

    The temperature ranges of the structural transformations in the high-temperature nickel-based EP902 superalloy melt relating to the transition of the melt into homogeneous and microuniform states are determine...

    A. G. Tyagunov, E. E. Baryshev, V. V. V’yukhin… in Russian Metallurgy (Metally) (2014)

  7. No Access

    Article

    Thermal stability of the structure of a high-temperature nickel alloy fabricated by two different technologies

    High-temperature treatment of the melt (HTTM) is a very simple and available technique for stabilizing and improving the service properties of parts. It tonsists in heating the melt to a certain critical tempe...

    A. G. Tyagunov, E. E. Baryshev, T. K. Kostina… in Metal Science and Heat Treatment (1999)