Date

1971

Document Type

Thesis

Degree

Master of Science

Department

Applied Mechanics

First Adviser

George C. Sih

Abstract

The effects of reinforcing fibers on the fracture toughness, critical stress intensity factor, and Young's modulus of an epoxy resin are investigated. By varying the volume percentage of glass fibers oriented parallel to a crack, it is found that there exists an optimum fracture toughness of the composite dependent upon the fiber volume percentage and the constituents of the composite.

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