Effective properties of fiber-reinforced composites: effects of polydispersity in fiber diameter

We investigate the effect of polydispersity in fiber cross section on the effective properties of a fiber-reinforced composite. For a model microstructure in which the fibrous inclusions are fully penetrable cylinders with varying diameters, we compute the microstructural parameters ζ′1 and η1 which...

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Veröffentlicht in:	J. Appl. Phys.; (United States) 1986-09, Vol.60 (5), p.1611-1613
Hauptverfasser:	JOSLIN, C. G, STELL, G
Format:	Artikel
Sprache:	eng
Schlagworte:	360204 - Ceramics, Cermets, & Refractories- Physical Properties 656000 - Condensed Matter Physics Applied sciences COMPOSITE MATERIALS CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY CRYSTAL STRUCTURE DISTRIBUTION FUNCTIONS ELASTICITY ELECTRIC CONDUCTIVITY ELECTRICAL PROPERTIES Exact sciences and technology FIBERS Forms of application and semi-finished materials FUNCTIONS MATERIALS MATERIALS SCIENCE MECHANICAL PROPERTIES MICROSTRUCTURE Other techniques and industries PHYSICAL PROPERTIES Polymer industry, paints, wood Reinforced plastics SIZE Technology of polymers TENSILE PROPERTIES THERMAL CONDUCTIVITY THERMODYNAMIC PROPERTIES
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Zusammenfassung:	We investigate the effect of polydispersity in fiber cross section on the effective properties of a fiber-reinforced composite. For a model microstructure in which the fibrous inclusions are fully penetrable cylinders with varying diameters, we compute the microstructural parameters ζ′1 and η1 which determine Milton’s upper and lower bounds on transport coefficients and elastic moduli of the composite. From our results we infer that polydispersity in fiber size has very little influence on these properties.
ISSN:	0021-8979 1089-7550
DOI:	10.1063/1.337786