Effect of alloying by lanthanum and high rhenium superalloys on the basis of Ni-Al-Cr on the structure and phase composition; AIP Conference Proceedings; Vol. 1698 : Advanced Materials in Technology and Construction, AMTC-2015

Effect of alloying by lanthanum and high rhenium superalloys on the basis of Ni-Al-Cr on the structure and phase composition

Bibliografiske detaljer
Parent link:	AIP Conference Proceedings Vol. 1698 : Advanced Materials in Technology and Construction, AMTC-2015.— 2016.— [030001, 5 p.]
Institution som forfatter:	Национальный исследовательский Томский политехнический университет (ТПУ) Институт международного образования и языковой коммуникации (ИМОЯК) Кафедра междисциплинарная (МД)
Andre forfattere:	Kozlov E. Eduard, Tsedrik E. Elena, Popova N. Natalya, Nikonenko E. L. Elena Leonidovna, Koneva N. Nina, Fedorishcheva M. V. Marina Vladimirovna
Summary:	Title screen This paper presents transmission and scanning electronic microscope investigations of Ni-Al-Cr superalloy alloyed with additional Re and La elements. This superalloy is obtained by the directional solidification method and subsequently is subjected to two-stage high-temperature annealing: 1) at T = 1150°C, the test time is 1 hour; 2) at T = 1100°C, the testing time is 1430 hours. It was found that the ?- and ?'-phases are the main phases in the two states on the basis of fcc lattice. Where ? is the disordered fcc solid solution and ?'-phase is the main phase with an ordered arrangement of atoms having the L12 superstructure. It is shown that such additional elements as Re and La result in the formation of new phases in Ni-Al-Cr accompanied by considerable modifications of quasi-cuboid structure in its ?'-phase. The phase composition and morphology of the phases are studied. Режим доступа: по договору с организацией-держателем ресурса
Sprog:	engelsk
Udgivet:	2016
Fag:	электронный ресурс труды учёных ТПУ
Online adgang:	http://dx.doi.org/10.1063/1.4937823
Format:	Electronisk Book Chapter
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=647800

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