Studies of invar alloys sintered from powders mixtures

E. V. Abdulmenova, V. I. Kashirina, S. N. Kulkov

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

In this work studies of the alloys sintered by powder metallurgy method are presented. Samples were obtained from mixtures of powders Fe and Ni (30-40 wt % Ni) after ball-mill treatment, cold pressing and sintered in a vacuum furnace. It has been shown that the face centered cubic and body centered cubic (no more than 5%) alloys are formed at sintering of powders mixture. The lattice parameter of the γ-phase depends on content of Ni and increases from 3.585×10-10 to 3.596-10 m, these lattice parameters correspond to well-known invar alloys. The hardness of sintered samples changes from 0.8 to 1.5 GPa, the Young's modulus changes from 83 to 126 GPa that correspond to values obtained for invar alloy in literature. The coefficient of thermal expansion is 1.1×10-6°-1 for interval 0-150° and is 15.8 × 10-6°-1 for interval 300-500° and this change corresponds to magnetic transformation at 225°. So, alloys obtained by sintering of powders Fe and Ni are formed as invar alloy and its properties are typical of cast alloys.

Original languageEnglish
Title of host publicationProceedings of the International Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2019
EditorsVictor E. Panin, Sergey G. Psakhie, Vasily M. Fomin
PublisherAmerican Institute of Physics Inc.
ISBN (Electronic)9780735419124
DOIs
Publication statusPublished - 19 Nov 2019
EventInternational Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2019 - Tomsk, Russian Federation
Duration: 1 Oct 20195 Oct 2019

Publication series

NameAIP Conference Proceedings
Volume2167
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference

ConferenceInternational Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2019
CountryRussian Federation
CityTomsk
Period1.10.195.10.19

Fingerprint

lattice parameters
sintering
cold pressing
vacuum furnaces
intervals
cast alloys
powder metallurgy
balls
thermal expansion
modulus of elasticity
hardness
coefficients

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Abdulmenova, E. V., Kashirina, V. I., & Kulkov, S. N. (2019). Studies of invar alloys sintered from powders mixtures. In V. E. Panin, S. G. Psakhie, & V. M. Fomin (Eds.), Proceedings of the International Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2019 [020002] (AIP Conference Proceedings; Vol. 2167). American Institute of Physics Inc.. https://doi.org/10.1063/1.5131869

Studies of invar alloys sintered from powders mixtures. / Abdulmenova, E. V.; Kashirina, V. I.; Kulkov, S. N.

Proceedings of the International Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2019. ed. / Victor E. Panin; Sergey G. Psakhie; Vasily M. Fomin. American Institute of Physics Inc., 2019. 020002 (AIP Conference Proceedings; Vol. 2167).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abdulmenova, EV, Kashirina, VI & Kulkov, SN 2019, Studies of invar alloys sintered from powders mixtures. in VE Panin, SG Psakhie & VM Fomin (eds), Proceedings of the International Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2019., 020002, AIP Conference Proceedings, vol. 2167, American Institute of Physics Inc., International Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2019, Tomsk, Russian Federation, 1.10.19. https://doi.org/10.1063/1.5131869
Abdulmenova EV, Kashirina VI, Kulkov SN. Studies of invar alloys sintered from powders mixtures. In Panin VE, Psakhie SG, Fomin VM, editors, Proceedings of the International Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2019. American Institute of Physics Inc. 2019. 020002. (AIP Conference Proceedings). https://doi.org/10.1063/1.5131869
Abdulmenova, E. V. ; Kashirina, V. I. ; Kulkov, S. N. / Studies of invar alloys sintered from powders mixtures. Proceedings of the International Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2019. editor / Victor E. Panin ; Sergey G. Psakhie ; Vasily M. Fomin. American Institute of Physics Inc., 2019. (AIP Conference Proceedings).
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