Subhashree Panda
University of Miami
Volumetric flow rateMaterials scienceGeometryExtrusionCementitiousParticle packingCritical examination3D printingPlastics extrusion
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#1Sooraj A.O. Nair (ASU: Arizona State University)H-Index: 4
#2Subhashree Panda (ASU: Arizona State University)H-Index: 1
Last. Narayanan Neithalath (ASU: Arizona State University)H-Index: 45
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Abstract Extrusion pressure-displacement tests on cementitious pastes with multiple starting materials and differing particle packing, subjected to different extrusion geometries are reported. The steady state extrusion pressure (equivalent to extrusion yield stress) and the deadzone length (static zone of material buildup at die entry) are determined from the pressure-displacement response to characterize the extrudability and/or printability. A unique “geometric ratio” is used to account for t...
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