Effect of Interface Mechanical Properties on Pullout in a SiC-Fiber-Reinforced Lithium Aluminum Silicate Glass-Ceramic

The pullout of fibers in the crack wake makes an important contribution to the toughness of ceramic‐matrix composites. The pullout is, in turn, influenced by the properties of the fibers and by the sliding resistance of the interface. Basic relationships governing the pullout are developed analytica...

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Bibliographic Details
Published in:Journal of the American Ceramic Society 1989-04, Vol.72 (4), p.525-532
Main Authors: Thouiess, Michael D., Sbaizero, Orfeo, Sigl, Lorenz S., Evans, Anthony G.
Format: Article
Language:English
Subjects:
Applied sciences
Building materials. Ceramics. Glasses
Chemical industry and chemicals
composites
Exact sciences and technology
fibers
Glass-ceramics
Glasses
interfaces
mechanical properties
silicon carbide
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Summary:The pullout of fibers in the crack wake makes an important contribution to the toughness of ceramic‐matrix composites. The pullout is, in turn, influenced by the properties of the fibers and by the sliding resistance of the interface. Basic relationships governing the pullout are developed analytically and investigated experimentally using a lithium aluminum silicate/silicon carbide (LAS/SIC) composite subjected to various heat treatments. The experiments involve determining the strengths of single fibers and then measuring the pullout distributions. The results are used to provide a consistent view of the pullout process and related changes in mechanical properties.
ISSN:0002-7820
1551-2916
DOI:10.1111/j.1151-2916.1989.tb06171.x