Abstract
Moire interferometry is used with Fourier transform fringe analysis to investigate the strain fields in a region local to 125-μm uncoated silica optical fibers embedded in a quasi-isotropic graphite/PEEK thick composite compression specimens. Analysis of several regions in several specimens showed no measurable strain concentrations resulting from the embedded optical fibers, even though the optical fibers clearly alter the local microarchitecture of the host material system.
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