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The Influence of Carbonyl Iron Powder, Grade VK, on Compactability and Strength Properties of Sintered Atomized Iron Powder, Grade PZhRV 2.200.26

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Inorganic Materials: Applied Research Aims and scope

Abstract

This article discusses the influence of carbonyl iron powder, grade VK, on compactability, sintering, and mechanical properties of samples made of atomized iron powder, grade PZhRV 2.200.26, produced on commercial scale in Russia. It is demonstrated that the relative density of compacted samples made of dispersed PZhRV 2.200.26 iron powder can be increased by addition of particles of carbonyl iron powder, grade VK, which are predominantly located in pores between the particles of atomized powder. Additional introduction of solid lubricants in PZhRV 2.200.26 and VK mixture does not lead to further increase in relative density of pressed samples (more than 90%). It is established that addition of the VK carbonyl powder to the atomized PZhRV 2.200.26 powder in the amount of 15–20 wt % atomized the bending strength of green compacted pieces because of difficulties of plastic deformation of atomized particles into pores, but it increases the bending strength of the material after sintering owing to more developed contacts.

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Authors and Affiliations

  1. National University of Science and Technology MISiS, 119991, Moscow, Russia

    V. Yu. Lopatin, Zh. V. Eremeeva & N. D. Nguyen

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  1. V. Yu. Lopatin
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  2. Zh. V. Eremeeva
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  3. N. D. Nguyen
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Correspondence to V. Yu. Lopatin.

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Translated by I. Moshkin

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Lopatin, V.Y., Eremeeva, Z.V. & Nguyen, N.D. The Influence of Carbonyl Iron Powder, Grade VK, on Compactability and Strength Properties of Sintered Atomized Iron Powder, Grade PZhRV 2.200.26. Inorg. Mater. Appl. Res. 11, 403–407 (2020). https://doi.org/10.1134/S2075113320020239

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  • DOI: https://doi.org/10.1134/S2075113320020239

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