A novel experimental technique for studying the characteristics of the interface between the fibers and the matrix in both undamaged and damaged fiber-reinforced composite materials is described. The experimental technique involves the transmission of stress waves in one or more fibers of the composite. The characteristics of the stress waves, such as speed, dispersion, and attenuation, are measured. These measured variables can be correlated with the characteristics of the bonding between the fiber and the matrix.
Issue Section:Research Papers
Topics:Composite materials, Fibers, Stress, Waves, Bonding, Fiber reinforced composites
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by The American Society of Mechanical Engineers