REDOX NANOSTRUCTURING OF BIPOROUS NICKEL (II) SINTERED USING A SPACE HOLDER

A. G. Gnedovets; Гнедовец А. Г.; V. A. Zelenskii; Зеленский В. А.; V. S. Shustov; Шустов В. С.; M. I. Alymov; Алымов М. И.

doi:10.31857/S2686953522600568

REDOX NANOSTRUCTURING OF BIPOROUS NICKEL (II) SINTERED USING A SPACE HOLDER

Authors: Gnedovets A.G.¹, Zelenskii V.A.¹, Shustov V.S.¹, Alymov M.I.¹
Affiliations:
1. Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences
Issue: Vol 511, No 1 (2023)
Pages: 47-53
Section: ХИМИЧЕСКАЯ ТЕХНОЛОГИЯ
URL: https://journals.rcsi.science/2686-9535/article/view/135984
DOI: https://doi.org/10.31857/S2686953522600568
EDN: https://elibrary.ru/YRJDEB
ID: 135984

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Abstract
About the authors
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Abstract

Permeable metallic nickel and ceramic nickel-oxide materials with nanostructured surface and multilevel hierarchical porosity were created by cyclic redox post-treatment of biporous nickel (II) consolidated in the sintering-dissolution process. Additional levels of intraparticle porosity – Kirkendall pores and shrinkage nanopores – were formed during the stages of high-temperature oxidation in air and reduction in hydrogen, respectively.

Keywords

redox treatment, powders, sintering, nickel (II), nickel oxide, hierarchical porosity, Kirkendall pores, nanopores

About the authors

A. G. Gnedovets

Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences

Author for correspondence.
Email: agg@imet.ac.ru
Russian, 119334, Moscow

V. A. Zelenskii

Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences

Email: agg@imet.ac.ru
Russian, 119334, Moscow

V. S. Shustov

Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences

Email: agg@imet.ac.ru
Russian, 119334, Moscow

M. I. Alymov

Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences

Email: agg@imet.ac.ru
Russian, 119334, Moscow

References

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