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Structural Evolution of Silicon Carbide Nanopowders during the Sintering Process
Author(s) -
Г. К. Волкова,
Oleksandr Doroshkevych,
Artem Shylo,
Tetyana Zelenyak,
V V Burkhovetskiy,
И. А. Даниленко,
Tetyana Konstantinova
Publication year - 2014
Publication title -
journal of ceramics
Language(s) - English
Resource type - Journals
eISSN - 2090-8628
pISSN - 2090-8644
DOI - 10.1155/2014/723627
Subject(s) - sintering , materials science , ceramic , silicon carbide , carbide , diffusion , metallurgy , thermodynamics , physics
Processes of sintering of silicon carbide nanopowder were investigated. Values of density (ρ=3.17 g/cm3) and strength (σ=450 MPa) were obtained. Within the theory of dispersed systems, the temperature evolution of the materials structure was considered. The relationship between sintering temperature, characteristics of crystal structure and physical properties, in particular, density, and strength of aforementioned ceramics was established. It was concluded that it is necessary to suppress the anomalous diffusion at temperatures above 2080°C

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