The effect of the sintering temperature on the structural-phase state of powder alloys based on NiAl intermetallic compounds

Abstract

Investigations of the phase composition, morphology and grain size of the sintered powder alloy based on NiAl intermetallic compound by X-ray and TEM on thin foils were carried out. The sintering temperature was varied from 1100 to 1400°C. The effect of the sintering temperature on the structure-phase state of the powder alloy was studied. It was established that the main volume of the alloy is formed by the B2 superstructure consisting of Ni and Al. The NiAl phase is the grains whose boundaries contain various oxides: non-sintered alloy La₂O₃, sintered alloys FeYO₃ and (Fe,Al)₅Y₃O₁₂. Inside the NiAl grain phase, both before and after sintering at dislocations, there are nanosized particles of Y₂Al phase.

Original language	English
Title of host publication	Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2016: Proceedings of the International Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2016
Publisher	American Institute of Physics Inc.
Volume	1783
ISBN (Electronic)	9780735414457
DOIs	https://doi.org/10.1063/1.4966404
Publication status	Published - 10 Nov 2016
Event	International Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2016 - Tomsk, Russian Federation Duration: 19 Sep 2016 → 23 Sep 2016

Conference

Conference	International Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2016
Country	Russian Federation
City	Tomsk
Period	19.9.16 → 23.9.16

ASJC Scopus subject areas

Physics and Astronomy(all)

Access to Document

10.1063/1.4966404

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Kozlov, E., Popova, N., Nikonenko, E., Fedorishcheva, M. V., Sizonenko, N., & Koneva, N. (2016). The effect of the sintering temperature on the structural-phase state of powder alloys based on NiAl intermetallic compounds. In Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2016: Proceedings of the International Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2016 (Vol. 1783). [020111] American Institute of Physics Inc.. https://doi.org/10.1063/1.4966404

The effect of the sintering temperature on the structural-phase state of powder alloys based on NiAl intermetallic compounds. / Kozlov, Eduard; Popova, Natalya; Nikonenko, Elena; Fedorishcheva, Marina Vladimirovna; Sizonenko, Nina; Koneva, Nina.

Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2016: Proceedings of the International Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2016. Vol. 1783 American Institute of Physics Inc., 2016. 020111.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Kozlov, E, Popova, N, Nikonenko, E, Fedorishcheva, MV, Sizonenko, N & Koneva, N 2016, The effect of the sintering temperature on the structural-phase state of powder alloys based on NiAl intermetallic compounds. in Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2016: Proceedings of the International Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2016. vol. 1783, 020111, American Institute of Physics Inc., International Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2016, Tomsk, Russian Federation, 19.9.16. https://doi.org/10.1063/1.4966404

Kozlov E, Popova N, Nikonenko E, Fedorishcheva MV, Sizonenko N, Koneva N. The effect of the sintering temperature on the structural-phase state of powder alloys based on NiAl intermetallic compounds. In Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2016: Proceedings of the International Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2016. Vol. 1783. American Institute of Physics Inc. 2016. 020111 https://doi.org/10.1063/1.4966404

Kozlov, Eduard ; Popova, Natalya ; Nikonenko, Elena ; Fedorishcheva, Marina Vladimirovna ; Sizonenko, Nina ; Koneva, Nina. / The effect of the sintering temperature on the structural-phase state of powder alloys based on NiAl intermetallic compounds. Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2016: Proceedings of the International Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2016. Vol. 1783 American Institute of Physics Inc., 2016.

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abstract = "Investigations of the phase composition, morphology and grain size of the sintered powder alloy based on NiAl intermetallic compound by X-ray and TEM on thin foils were carried out. The sintering temperature was varied from 1100 to 1400°C. The effect of the sintering temperature on the structure-phase state of the powder alloy was studied. It was established that the main volume of the alloy is formed by the B2 superstructure consisting of Ni and Al. The NiAl phase is the grains whose boundaries contain various oxides: non-sintered alloy La2O3, sintered alloys FeYO3 and (Fe,Al)5Y3O12. Inside the NiAl grain phase, both before and after sintering at dislocations, there are nanosized particles of Y2Al phase.",

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AU - Kozlov, Eduard

AU - Popova, Natalya

AU - Nikonenko, Elena

AU - Fedorishcheva, Marina Vladimirovna

AU - Sizonenko, Nina

AU - Koneva, Nina

PY - 2016/11/10

Y1 - 2016/11/10

N2 - Investigations of the phase composition, morphology and grain size of the sintered powder alloy based on NiAl intermetallic compound by X-ray and TEM on thin foils were carried out. The sintering temperature was varied from 1100 to 1400°C. The effect of the sintering temperature on the structure-phase state of the powder alloy was studied. It was established that the main volume of the alloy is formed by the B2 superstructure consisting of Ni and Al. The NiAl phase is the grains whose boundaries contain various oxides: non-sintered alloy La2O3, sintered alloys FeYO3 and (Fe,Al)5Y3O12. Inside the NiAl grain phase, both before and after sintering at dislocations, there are nanosized particles of Y2Al phase.

AB - Investigations of the phase composition, morphology and grain size of the sintered powder alloy based on NiAl intermetallic compound by X-ray and TEM on thin foils were carried out. The sintering temperature was varied from 1100 to 1400°C. The effect of the sintering temperature on the structure-phase state of the powder alloy was studied. It was established that the main volume of the alloy is formed by the B2 superstructure consisting of Ni and Al. The NiAl phase is the grains whose boundaries contain various oxides: non-sintered alloy La2O3, sintered alloys FeYO3 and (Fe,Al)5Y3O12. Inside the NiAl grain phase, both before and after sintering at dislocations, there are nanosized particles of Y2Al phase.

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