Structure and Properties of Materials Produced by SPS Sintering of Nickel Aluminide Powders PN85U15 and PN75U23V

Structure and Properties of Materials Produced by SPS Sintering of Nickel Aluminide Powders PN85U15 and PN75U23V Full article

Journal

Metallurgist
ISSN: 0026-0894

Output data

Year: 2022, Volume: 66, Number: 7-8, Pages: 942-950 Pages count : 9 DOI: 10.1007/s11015-022-01406-y

Tags

electrospark sintering; nickel aluminide; powders; short-term strength; strength properties; structure; VKNA

Authors

Shevtsova L.I. ¹ , Esikov M.A. ^1,2 , Lozhkin V.S. ¹ , Larichkin A.Yu. ² , Terentyev D.S. ¹ , Ognev A.Yu. ¹ , Drozdov V.O. ³ , Nemolochnov D.A. ¹

Affiliations

1	Novosibirsk State Technical University
2	Lavrentyev Institute of Hydrodynamics
3	Khristianovich Institute of Theoretical and Applied Mechanics SB RAS

This article presents the structure and evaluation of strength properties at room temperature (r.t.) and at 900°C of materials based on nickel aluminide obtained via electrospark sintering at 1100°C of industrial powders of two grades, PN85U15 and PN75U23V, separately and mixed preliminarily with each other in the ratio of 7:3. When powders of two types are mixed, regions with a typical banded pattern, resulting from the martensitic transformation and L 10 phase formation, predominate in the structure. X-ray phase analysis results of the material under study revealed the intermetallic phases Ni3Al and NiAl. This material has enhanced strength characteristics at r.t. (σu = 385 MPa and σizg = 925 MPa) with a characteristic transcrystalline fracture. At 900°C, its tensile strength is 120 MPa.

Shevtsova L.I. , Esikov M.A. , Lozhkin V.S. , Larichkin A.Y. , Terentyev D.S. , Ognev A.Y. , Drozdov V.O. , Nemolochnov D.A.
Structure and Properties of Materials Produced by SPS Sintering of Nickel Aluminide Powders PN85U15 and PN75U23V
Metallurgist. 2022. V.66. N7-8. P.942-950. DOI: 10.1007/s11015-022-01406-y WOS Scopus РИНЦ OpenAlex

Шевцова Л.И. , Есиков М.А. , Ложкин В.С. , Ларичкин А.Ю. , Терентьев Д.С. , Огнев А.Ю. , Дроздов В.О. , Немолочнов Д.А.
Структура и свойства материалов, полученных при спекании порошков алюминида никеля ПН85Ю15 и ПН75Ю23В методом SPS
Металлург. 2022. №8. С.61-67. DOI: 10.52351/00260827_2022_08_61 РИНЦ OpenAlex

Submitted:	May 4, 2022
Accepted:	Jul 7, 2022
Published print:	Nov 30, 2022

Web of science:	WOS:000892915800015
Scopus:	2-s2.0-85143141441
Elibrary:	51963892
OpenAlex:	W4310480757

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