Forms of presence and contents of light elements in finely divided Nb 3 Al powders

K. V. Grigorovich; A. V. Alpatov; B. A. Rumyantsev; A. V. Kasimtsev; S. N. Yudin; A. I. Logacheva; T. A. Sviridova

doi:10.1134/S207511331602012X

Forms of presence and contents of light elements in finely divided Nb₃Al powders

Authors: Grigorovich K.V.¹, Alpatov A.V.¹, Rumyantsev B.A.¹, Kasimtsev A.V.², Yudin S.N.², Logacheva A.I.³, Sviridova T.A.²
Affiliations:
1. Baikov Institute of Metallurgy and Materials Science
2. Metsintez Ltd.
3. Institute of New Metallurgical Technology
Issue: Vol 7, No 2 (2016)
Pages: 310-315
Section: Methods of Investigating the Properties of Materials
URL: https://journals.rcsi.science/2075-1133/article/view/205028
DOI: https://doi.org/10.1134/S207511331602012X
ID: 205028

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Abstract
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Abstract

Three batches of finely divided Nb₃Al intermetallic powders obtained by calcium hydride reduction were studied for the contents of light elements (H, O, N, C, and S). The oxygen-containing phases present in the Nb₃Al powder samples were determined. The oxygen contained in the powder was qualitatively and quantitatively divided into oxygen as a part of adsorbed water, oxygen as a part of surface organic compounds, and oxygen as a part of niobium oxides (NbO_x) and aluminum oxides (Al₂O₃).

Keywords

intermetallic powder, Nb₃Al, calcium hydride reduction, fractional gas analysis, oxygen, forms of presence

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Forms of presence and contents of light elements in finely divided Nb3Al powders

Full Text

Abstract

Keywords

About the authors

K. V. Grigorovich

A. V. Alpatov

B. A. Rumyantsev

A. V. Kasimtsev

S. N. Yudin

A. I. Logacheva

T. A. Sviridova

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Forms of presence and contents of light elements in finely divided Nb₃Al powders