Abstract
IN a recent article on melt fracture of silicone polymers under shear1 Hutton reports that the critical shear stress for fracture in a cone and plate viscometer is independent of polymer molecular weight but dependent on cone diameter. He further suggests a criterion for predicting the onset of melt fracture. It is the purpose of this communication to discuss these points.
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BAGLEY, E., RUDIN, A. & SCHREIBER, H. Fracture of Liquids in Shear. Nature 203, 175–177 (1964). https://doi.org/10.1038/203175b0
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DOI: https://doi.org/10.1038/203175b0
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