Experimental Determination of Temperature Parameters for Evaluating the Possibility of Manufacturing Alloy Ti–3Al–2.5V Hot-Extruded Tubes


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Abstract

Microstructural methods, thermal analysis, and thermomechanical test methods are used to study the structure and properties of hot-pressed semifinished product of alloy Ti–3Al–2.5V used for developing manufacturing technology for hot-extruded tubes. It is shown that the use of calculation methods for evaluating polymorphic transformation temperature makes it possible to assess the required temperature range with use of a test quenching method. Thermal analysis and laboratory thermomechanical tests are used to determine the temperature range for extrusion in two regions taking account of deformation heating.

About the authors

A. G. Illarionov

Ural Federal University

Author for correspondence.
Email: a.g.illarionov@urfu.ru
Russian Federation, Ekaterinburg

Ya. I. Kosmatskii

Russian Research Institute of the Pipe Industry (RosNITI); South-Ural State University

Email: a.g.illarionov@urfu.ru
Russian Federation, Chelyabinsk; Chelyabinsk

E. A. Filyaeva

Scientific and Technical Center, Pipe Metallurgical Company (TMK NTTs)

Email: a.g.illarionov@urfu.ru
Russian Federation, Chelyabinsk

F. V. Vodolazskii

Ural Federal University

Email: a.g.illarionov@urfu.ru
Russian Federation, Ekaterinburg

N. A. Barannikova

Ural Federal University

Email: a.g.illarionov@urfu.ru
Russian Federation, Ekaterinburg

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