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  • Measurement and Prediction of Fluid Viscosities at High Shear Rates
    Polymeric materials in general are viscoelastic in nature because they exhibit strong depend-. ence of deformation and flow on time and temperature. Molecular structures in polymeric. materials undergo rearrangements when a load is applied in order to minimize localized. stresses imposed
  • Small Diameter Vascular Graft Elasticity Measurement in Response to Pulsatile Pressure
    measurements of their composite vascular graft biomaterial. Vascular graft distension with increasing pressure was evaluated in a single axis TestBench conf guration with a vascular BioDynamic chamber using a laser micrometer. The graft material used (Gel- Del Technologies, Inc., St. Paul, MN) is composed
  • Generation of Master Curves for Cured Rubber
    The Williams, Landel & Ferry model (WLF) uses time-temperature superposition to generate master curves that predict the dynamic behavior of materials at frequencies outside the range of practical measurement. This model relies on the observation that time and temperature have equivalent effects

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