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Registration Number

0222U004607, 0117U001060 , R & D reports

Title

Creation of physical and chemical bases of the multicomponent TiAl-based alloys development and of their protection against aggressive environments

Head

Velykanova Tamara Ya., Доктор хімічних наук

Registration Date

19-09-2022

Organization

Institute of Problems of Materials Science named after IM Frantsevich of the National Academy of Sciences of Ukraine

Description

Based on the results of the study, a method for optimizing of the TiAl-based alloys, in particular, of the Ti-Mo-Al system and alloys doped with approximately 1 at.% Mo, 4 at.% Nb and 0,5 at.% Cr (TNMH) is developed. Optimal concentrations of the alloying d metals and Al/Ti ratios for each complex of alloying additives were obtained. The mode of heat treatment of the alloys of optimized compositions for obtaining a high level of mechanical properties is established. The character of phase equilibria in the ternary Ti–Al–Cr system during crystallization of alloys in the range of compositions with 40–100% (at.) Al is specified.

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Ivanov Mykhailo I.
Artiukh Svitlana Yu.
Bilous Olga O.
Bykova Svitlana V.
Bloshchanevych Oleksandr M.
Bondar Anatolii A.
Bulanova Maryna V.
Burkut Lesia F.
Voblikov Vyacheslav M
Danylenko Vitalii I.
Korniyenko Konstiantyn Ye.
Krapivka Mykola O.
Kryklia Liudmyla S.
Kublii Vasyl Z.
Levchenko Petro P.
Marchenko Nataliya M.
Nazarenko Volodymyr A.
Pavlygo Tetiana M.
Pashko Dmytro M.
Petyukh Vasil M.
Podoprygora Nataliya V.
Podrezov Yurii M.
Romanko Petro M.
Sameliuk Anatolii I.
Slieptsov Sergii V.
Stegnii Anatolii I.
Storchak Anastasiya V.
Tikhonova Iryna B.
Utkin Sergii V.
Tsyganenko Nataliya I.
Shevchuk Volodymyr A.