Interfacial bonding and friction in silicon carbide (filament)-reinforced ceramic- and glass-matrix composites

Journal Article · Sun Oct 01 04:00:00 EDT 1989 · Journal of the American Ceramic Society; (USA)

DOI:https://doi.org/10.1111/j.1151-2916.1989.tb05997.x· OSTI ID:6905476

Bright, J D; Shetty, D K ^[1]; Griffin, C W; Limaye, S Y ^[2]

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1. Utah Univ., Salt Lake City, UT (USA). Dept. of Materials Science and Engineering
2. Ceramatec, Inc., Salt Lake City, UT (USA)

This paper reports interfacial shear strength and interfacial sliding friction stress assessed in unidirectional SiC-filament-reinforced reaction-bonded silicon nitride (RBSN) and borosilicate glass composites and 0/90 cross-ply reinforced borosilicate glass composite using a fiber pushout test technique. The interface debonding load and the maximum sliding friction load were measured for varying lengths of the embedded fibers by continuously monitoring the load during debonding and pushout of single fibers in finite-thickness specimens. The dependences of the debonding load and the maximum sliding friction load on the initial embedded lengths of the fibers were in agreement with nonlinear shear-lag models. An iterative regression procedure was used to evaluate the interfacial properties, shear debond strength ({tau}{sub d}), and sliding friction stress ({tau}{sub f}), from the embedded fiber length dependences of the debonding load and the maximum frictional sliding load, respectively. The shear-lag model and the analysis of sliding friction permit explicit evaluation of a coefficient of sliding friction ({mu}) and a residual compressive stress on the interface ({sigma}{sub 0}). The cross-ply composite showed a significantly higher coefficient of interfacial friction as compared to the unidirectional composites.

• OSTI ID: 6905476
• Journal Information: Journal of the American Ceramic Society; (USA), Journal Name: Journal of the American Ceramic Society; (USA) Vol. 72:10; ISSN JACTA; ISSN 0002-7820
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
360203* -- Ceramics
Cermets
& Refractories-- Mechanical Properties
360603 -- Materials-- Properties
BONDING
BOROSILICATE GLASS
CARBIDES
CARBON COMPOUNDS
CERAMICS
FABRICATION
FRICTION
GLASS
INTERFACES
JOINING
MATERIALS
MATHEMATICS
REGRESSION ANALYSIS
REINFORCED MATERIALS
SHEAR
SILICON CARBIDES
SILICON COMPOUNDS
STATISTICS