Comparative Analysis of the Properties of ZrO2–SiO2 and ZrO2–Al2O3–SiO2 Composition Fiber Composite Materials

Strength, morphology, and phase composition are analyzed for a ceramic composite system based on fibers of tetragonal ZrO 2 and a matrix with different content of SiO 2 and Al 2 O 3 . It is shown that with an Al 2 O 3 content from 0 to 20 wt.% there is formation of a precipitation-hardened structure...

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Bibliographic Details
Published in:Refractories and industrial ceramics 2018-07, Vol.59 (2), p.218-222
Main Authors: Balinova, Yu. A., Buchilin, N. V., Babashov, V. G.
Format: Article
Language:English
Subjects:
Aluminum oxide
Bend strength
Ceramic fibers
Ceramics
Characterization and Evaluation of Materials
Chemistry and Materials Science
Composite materials
Composites
Fiber composites
Glass
Materials Science
Morphology
Mullite
Natural Materials
Phase composition
Silicon dioxide
Ultimate tensile strength
Zirconium dioxide
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Summary:Strength, morphology, and phase composition are analyzed for a ceramic composite system based on fibers of tetragonal ZrO 2 and a matrix with different content of SiO 2 and Al 2 O 3 . It is shown that with an Al 2 O 3 content from 0 to 20 wt.% there is formation of a precipitation-hardened structure and an increase in material ultimate strength in bending. The reduction in strength with a further increase in Al 2 O 3 content is due to a deficiency in SiO 2 binder and inadequate Al 2 O 3 and mullite particle sintering with each other. Features of the structure and phase composition are demonstrated for a composite based on ZrO 2 fibers with a different Al 2 O 3 :SiO 2 ratio in the matrix.
ISSN:1083-4877
1573-9139
DOI:10.1007/s11148-018-0209-1