Structural and phase transformations in quasi-binary TiNi-TiCu alloys with thermomechanical shape-memory effects / Pushin V. G.,Kuranova N. N.,Makarov V. V.,Pushin A. V.,Korolev A. V.,Kourov N. I. // PHYSICS OF METALS AND METALLOGRAPHY. - 2015. - V. 116, l. 12. - P. 1221-1233.

ISSN/EISSN:

0031-918X / 1555-6190

Type:

Article

Abstract:

The structure, thermoelastic martensitic transformations, and physical properties of the usual microcrystalline and rapidly quenched submicrocrystalline ternary alloys of the quasi-binary TiNi-TiCu section with a copper content to 35 at \% have been studied in a wide temperature range. The fine structure of the alloys has been investigated by the methods of the analytical transmission and scanning electron microscopy, and selected-area electron diffraction, including the in situ heating and cooling in the column of the microscope. The main specific features of the premartensitic state of the B2 austenite, the morphology, and the fine structure of the B19 and B19' martensitic phases have been established, and their evolution upon the alloying with copper and upon grain refinement and cooling and heating in situ have been studied. According to the data of the temperature measurements of electrical resistance, magnetic susceptibility, and XRD analysis, generalized complete diagrams of the B2 a dagger{''} B19', B2 a dagger{''} B19 a dagger{''} B19' and B2a dagger{''} B19 martensitic transformations that occur upon cooling in these alloys with an increase in the copper concentration in the limits of 0-8, 8-15, and 15-35 at \%, respectively, have been constructed.

Author keywords:

copper-alloyed titanium nickelide-based alloys; microstructure; thermoelastic martensitic transformations; shape-memory effects; mechanical properties SEVERE PLASTIC-DEFORMATION; NI-CU ALLOYS; NANOCRYSTALLINE STRUCTURE; TITANIUM NICKELIDE; HEAT-TREATMENT; TORSION; PRESSURE

DOI:

10.1134/S0031918X15120091

Web of Science ID:

ISI:000366332900007

Соавторы в МНС:

Другие поля

Поле	Значение
Month	DEC
Publisher	MAIK NAUKA/INTERPERIODICA/SPRINGER
Address	233 SPRING ST, NEW YORK, NY 10013-1578 USA
Language	English
EISSN	1555-6190
Keywords-Plus	SEVERE PLASTIC-DEFORMATION; NI-CU ALLOYS; NANOCRYSTALLINE STRUCTURE; TITANIUM NICKELIDE; HEAT-TREATMENT; TORSION; PRESSURE
Research-Areas	Metallurgy \& Metallurgical Engineering
Web-of-Science-Categories	Metallurgy \& Metallurgical Engineering
Author-Email	pushin@imp.uran.ru
ResearcherID-Numbers	Vladimir, Pushin/J-4807-2013 Kuranova, Natalia/J-4368-2013 Alexander, Korolev/K-3036-2013 kourov, Nikolai/J-9421-2013
ORCID-Numbers	Vladimir, Pushin/0000-0001-7569-0999 Kuranova, Natalia/0000-0002-5330-7909 Alexander, Korolev/0000-0002-5104-3997 kourov, Nikolai/0000-0002-6104-9102
Funding-Acknowledgement	Russian Scientific Foundation {[}15-12-10014]
Funding-Text	The work was supported by the Russian Scientific Foundation (project no. 15-12-10014).
Number-of-Cited-References	33
Usage-Count-Since-2013	9
Journal-ISO	Phys. Metals Metallogr.
Doc-Delivery-Number	CY3TN