Abstract
AbstractThe deformation and breakup of a single polycarbonate drop in a polyethylene matrix is studied at high temperatures under simple shear flow using a transparent Couette device. We observed “parallel breakup” where the drop breaks after being stretched into a thin sheet parallel to the flow. The breakup occurs at a viscosity ratio greater than 3.5. Deborah number and a stress ratio incorporating elastic moduli can characterize the “parallel breakup”.Deformation and breakup of a polycarbonate drop in a polyethylene matrix.magnified imageDeformation and breakup of a polycarbonate drop in a polyethylene matrix.
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