Production of nanostructural aluminum oxide-chromium layered composite for application in thermally stressed assemblies of space rocket engineering

The process of production of nanostructural aluminum oxide-chromium layered composite consisting of alternating ceramic and metal layers based on film slip casting is considered. Realization of a multistage processing chain of the composite production is proposed. Procedures of certification and pre...

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Bibliographic Details
Published in:Inorganic materials : applied research 2014-10, Vol.5 (5), p.449-454
Main Authors: Rizakhanov, R. N., Kasimovskii, A. A., Barmin, A. A., Ivanov, A. V., Ivlieva, V. V., Sitnikov, N. N., Rudshtein, R. I., Agureev, L. E.
Format: Article
Language:English
Subjects:
Chemistry
Chemistry and Materials Science
Industrial Chemistry/Chemical Engineering
Inorganic Chemistry
Materials for Aerospace Engineering
Materials Science
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Summary:The process of production of nanostructural aluminum oxide-chromium layered composite consisting of alternating ceramic and metal layers based on film slip casting is considered. Realization of a multistage processing chain of the composite production is proposed. Procedures of certification and preparation of initial powders, slip production and thin film casting, and preparation of layered pieces are described. Parameters of the annealing cycle for the binding component of a slip and thermal sintering cycle of layered pieces are presented. The microstructure of layers and interlayer interfaces is studied, and the elemental content and microhardness of layers of the fabricated composite are measured, confirming the right choice of parameters for the processes of the processing chain.
ISSN:2075-1133
2075-115X
DOI:10.1134/S2075113314050165