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A 3D topographic image of a single voxel of polymerized resin, surrounded by liquid resin. NIST researchers used their sample-coupled-resonance photo-rheology (SCRPR) technique to measure how and where there material’s properties changed in real time at the smallest scales during the 3D printing and curing process. Credit: NIST

New method to measure 3D polymer processing precisely

Scientists at the National Institute of Standards and Technology (NIST) have demonstrated a novel method based on light-based atomic force microscopy (AFM), named sample-coupled-resonance photorheology...