Activation of the sintering process of iron powders by introducing nanodispersed additives

Abstract

The results of studying of the effect of additions on nanodispersed iron powder (Fe-NP) obtained by the electrical explosion method on the formation and sintering of industrial coarse-grain iron powder are presented. The effect of amount of Fe-NP added to the charge material on compactibility and moldability of compacts, properties, microstructure, and phase composition of sintered material is analyzed. Electrically explosive Fe-NP is shown to be low-technologic. Charges based on the coarse-grained iron powder that contain up to 20% Fe-NP have good compactibility and moldability. It is established that introduction of Fe-NP into the charge causes activation of sintering and is favorable for obtaining the sintered samples with fine-grain crystalline structure and increased physicomechanical characteristics. The effect of amount of the Fe-NP addition to effective activation energy of sintering is evaluated.

Original language	English
Pages (from-to)	513-517
Number of pages	5
Journal	Russian Journal of Non-Ferrous Metals
Volume	50
Issue number	5
DOIs	https://doi.org/10.3103/S1067821209050149
Publication status	Published - 1 Oct 2009

Keywords

Activated sintering
Compaction
Microsctructure
Nanopowder

ASJC Scopus subject areas

Mechanics of Materials
Surfaces, Coatings and Films
Metals and Alloys

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Matrenin, S. V., Il'in, A. P., Slosman, A. I., & Tolbanova, L. O. (2009). Activation of the sintering process of iron powders by introducing nanodispersed additives. Russian Journal of Non-Ferrous Metals, 50(5), 513-517. https://doi.org/10.3103/S1067821209050149

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abstract = "The results of studying of the effect of additions on nanodispersed iron powder (Fe-NP) obtained by the electrical explosion method on the formation and sintering of industrial coarse-grain iron powder are presented. The effect of amount of Fe-NP added to the charge material on compactibility and moldability of compacts, properties, microstructure, and phase composition of sintered material is analyzed. Electrically explosive Fe-NP is shown to be low-technologic. Charges based on the coarse-grained iron powder that contain up to 20% Fe-NP have good compactibility and moldability. It is established that introduction of Fe-NP into the charge causes activation of sintering and is favorable for obtaining the sintered samples with fine-grain crystalline structure and increased physicomechanical characteristics. The effect of amount of the Fe-NP addition to effective activation energy of sintering is evaluated.",

keywords = "Activated sintering, Compaction, Microsctructure, Nanopowder",

author = "Matrenin, {S. V.} and Il'in, {A. P.} and Slosman, {A. I.} and Tolbanova, {L. O.}",

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AU - Matrenin, S. V.

AU - Il'in, A. P.

AU - Slosman, A. I.

AU - Tolbanova, L. O.

PY - 2009/10/1

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N2 - The results of studying of the effect of additions on nanodispersed iron powder (Fe-NP) obtained by the electrical explosion method on the formation and sintering of industrial coarse-grain iron powder are presented. The effect of amount of Fe-NP added to the charge material on compactibility and moldability of compacts, properties, microstructure, and phase composition of sintered material is analyzed. Electrically explosive Fe-NP is shown to be low-technologic. Charges based on the coarse-grained iron powder that contain up to 20% Fe-NP have good compactibility and moldability. It is established that introduction of Fe-NP into the charge causes activation of sintering and is favorable for obtaining the sintered samples with fine-grain crystalline structure and increased physicomechanical characteristics. The effect of amount of the Fe-NP addition to effective activation energy of sintering is evaluated.

AB - The results of studying of the effect of additions on nanodispersed iron powder (Fe-NP) obtained by the electrical explosion method on the formation and sintering of industrial coarse-grain iron powder are presented. The effect of amount of Fe-NP added to the charge material on compactibility and moldability of compacts, properties, microstructure, and phase composition of sintered material is analyzed. Electrically explosive Fe-NP is shown to be low-technologic. Charges based on the coarse-grained iron powder that contain up to 20% Fe-NP have good compactibility and moldability. It is established that introduction of Fe-NP into the charge causes activation of sintering and is favorable for obtaining the sintered samples with fine-grain crystalline structure and increased physicomechanical characteristics. The effect of amount of the Fe-NP addition to effective activation energy of sintering is evaluated.

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