NASA NTRS · 19870052790
Moire interferometry, 1986
Abstract
Current capabilities of moire interferometry are described. Several examples illustrate this whole-field optical technique for measurements of in-plane displacements. Sensitivity corresponds to moire measurements with gratings of 2400 lines/mm. The examples are taken from studies of composite members, material anomalies, plasticity, joints, micromechanics and strain concentrations. The abundance of high-sensitivity displacement information permits calculation of normal strains and shear strains in the field, including critical zones of very high gradients.
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Post, D.. 1987-01-01. Moire interferometry, 1986. https://ntrs.nasa.gov/citations/19870052790
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