High-resolution digital still camera-based nondestructive detection of blind holes in Plexiglas by thermal loading and phase-stepping shearography
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DOI: 10.1080/09500340.2025.2450607
Abstract: We used the phase-stepping shearography technique to detect blind holes of various sizes and depths in a Plexiglas (PMMA or polymethyl methacrylate) plastic block. The block was strongly heated (raising the temperature by about 80C)… read more here.
Keywords: still camera; digital still; phase stepping; stepping shearography ... See more keywords