Effects of Inert Nanoparticles of High-Melting-Point Compositions on Grain Structure and Strength of Ni[3]Al Intermetallic Compounds

Effects of Inert Nanoparticles of High-Melting-Point Compositions on Grain Structure and Strength of Ni[3]Al Intermetallic Compounds

Bibliographic Details
Parent link:	IOP Conference Series: Materials Science and Engineering Vol. 142 : Innovative Technologies in Engineering.— 2016.— [012083, 6 p.]
Main Author:	Ovcharenko V. E. Vladimir Efimovich
Corporate Author:	Национальный исследовательский Томский политехнический университет (ТПУ) Юргинский технологический институт (филиал) (ЮТИ) Кафедра технологии машиностроения (ТМС)
Other Authors:	Boyangin E. N., Chudinov V. A.
Summary:	Title screen The paper represents experimental findings both in the area of effects of nanoparticles of inert high-melting-point TiN compounds on a Ni[3]Al intermetallic grain structure creation in the conditions of high temperature synthesis under pressure, and in the area of impact of grain structure modification on intermetallic compounds' strength factor temperature dependence. It was demonstrated that appending a stoichiometric composition of nanosized particles of high-melting-point inert chemical compounds (TiN) initiates a manyfold loss of average size of grain of Ni[3]Al intermetallic compounds, synthesized under pressure, as well as a sufficient intermetallic compounds' strength rise within a wide range of temperatures (up to 1 000 degree C). Electron-microscopic evaluations of a synthesized intermetallic structure with TiN nanoparticles, showed that, during the process of intermetallic polycrystalline structure creation from high temperature synthesis products melts, TiN nanoparticles are mainly spread throughout the boundaries and joints of grain structure, acting as stoppers of grain boundaries migration.
Published:	2016
Subjects:	электронный ресурс труды учёных ТПУ наночастицы плавление интерметаллиды олово высокотемпературный синтез
Online Access:	http://dx.doi.org/10.1088/1757-899X/142/1/012083 http://earchive.tpu.ru/handle/11683/34757
Format:	Electronic Book Chapter
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=650448

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