Morphological changes of Fe66Cr10Nb5B19 metallic glass particles in a copper matrix during spark plasma sintering

Morphological changes of Fe66Cr10Nb5B19 metallic glass particles in a copper matrix during spark plasma sintering Научная публикация

Журнал

Materials Letters
ISSN: 0167-577X

Вых. Данные

Год: 2026, Том: 407, Номер статьи : 140086, Страниц : 5 DOI: 10.1016/j.matlet.2026.140086

Ключевые слова

Metallic glass, Copper matrix composites, Interface, Morphology, Spark plasma sintering

Авторы

Dudina Dina V. ^1,2 , Bokhonov Boris B. ¹ , Gavrilov Alexander I. ¹ , Batraev Igor S. ² , Podgornova Olga A. ¹ , Koga Guilherme Y. ³

Организации

1	Institute of Solid State Chemistry and Mechanochemistry SB RAS, Kutateladze Str. 18, Novosibirsk 630090, Russia
2	Lavrentyev Institute of Hydrodynamics SB RAS, Lavrentyev Ave. 15, Novosibirsk 630090, Russia
3	Federal University of São Carlos, Rod. Washington Luiz, km 235, São Carlos 13565-905, SP, Brazil

Composites consisting of Fe66Cr10Nb5B19 alloy particles and a copper matrix were obtained by spark plasma sintering (SPS) at 700 and 800 ◦C. As copper does not form compounds with any of the alloy components, it can be considered as an inert matrix. The initial state of the Fe66Cr10Nb5B19 alloy was glassy. During SPS of Cu–40 vol % Fe66Cr10Nb5B19, densification was complete at 630 ◦C. As the sample was not fully dense upon reaching the glass transition temperature of the alloy (521 ◦C), the metallic glass particles changed their morphology and surface topography to fill the pore space, which was enabled by the viscous flow of the supercooled liquid. Fracture of the sintered composites occurred along the Cu/Fe66Cr10Nb5B19 interface and through the contacts between the Fe66Cr10Nb5B19 particles.

Dudina D.V. , Bokhonov B.B. , Gavrilov A.I. , Batraev I.S. , Podgornova O.A. , Koga G.Y.
Morphological changes of Fe66Cr10Nb5B19 metallic glass particles in a copper matrix during spark plasma sintering
Materials Letters. 2026. V.407. 140086 :1-5. DOI: 10.1016/j.matlet.2026.140086

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