Microstructure and plastic deformation of orthorhombic aluminides Ti2AlNb: II. Structure and phase transformations upon severe plastic deformation / Kazantseva NV,Greenberg BA,Gulyaeva NP,Demakov SL,Pilyugin VP,Popov AA,Romanov EP,Shorokhov EP,Rybin VV // PHYSICS OF METALS AND METALLOGRAPHY. - 2003. - V. 96, l. 4. - P. 368-377.

ISSN/EISSN:

0031-918X / нет данных

Type:

Article

Abstract:

The structure of orthorhombic Ti-22\% Al-26.6\% Nb and Ti-25\% Al-22\% Nb aluminides has been studied after severe plastic deformation by shear under pressure and pulse shock loading with a steel plate. It was found that severe plastic deformation leads to an order-disorder phase transformation with the formation of fine particles of two orthorhombic phases, namely, a B 19 phase disordered for niobium and a completely disordered A20 phase. Upon shear under pressure deformation, grains of the initial phase are refined and the content of the A20 phase increases as the degree of deformation increases. At a grain size of 20 nm, the initial orthorhornbic O phase is completely transformed into the A20 phase. Upon pulse shock loading, plates of the initial O phase are retained; small particles of the B19 phase disordered for niobium are formed at the boundaries of the plates of the initial phase.

Author keywords:

TORSION; ALLOY

DOI:

нет данных

Web of Science ID:

ISI:000186527300003

Соавторы в МНС:

Другие поля

Поле	Значение
Month	OCT
Publisher	INTERPERIODICA
Address	PO BOX 1831, BIRMINGHAM, AL 35201-1831 USA
Language	English
Keywords-Plus	TORSION; ALLOY
Research-Areas	Metallurgy \& Metallurgical Engineering
Web-of-Science-Categories	Metallurgy \& Metallurgical Engineering
ResearcherID-Numbers	Popov, Artemiy/G-3947-2016 Kazantseva, Nataliya/I-7647-2013 Pilyugin, Vitaly/K-6525-2013 Romanov, Evgeniy/K-4224-2013 Greenberg, Bella/K-6538-2013
ORCID-Numbers	Popov, Artemiy/0000-0001-6171-1701 Kazantseva, Nataliya/0000-0002-4143-1064 Pilyugin, Vitaly/0000-0002-5150-6605 Romanov, Evgeniy/0000-0002-0031-374X Greenberg, Bella/0000-0002-4803-5750
Number-of-Cited-References	12
Usage-Count-Last-180-days	1
Usage-Count-Since-2013	4
Journal-ISO	Phys. Metals Metallogr.
Doc-Delivery-Number	742PT