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  • Dynamic Mechanical Analysis of Hydrogel
    contract research laboratory specializing in polymers, contacted Bose (R) with the challenge of accurately determining the dynamic stiffness and modulus of a polyvinyl alcohol hydrogel. The ElectroForce (R) 3100 test instrument and DMA (Dynamic Mechanical Analysis) Software, in conjunction
  • Automotive Fatigue Life and Dynamic Mechanical Analysis of a Matrix Polymer
    Bose with the need to assess fatigue response and also to perform a DMA assessment on their raw materials. The ElectroForce (R) 3330 test instrument with DMA (Dynamic Mechanical Analysis) software, in conjunction with WinTest (R) control software, was used to conduct these tests. The ElectroForce 3330
  • Dynamic Mechanical Analysis (.doc)
    The DMA determines changes in sample properties resulting from changes in five experimental variables: temperature, time, frequency, force, and strain. The deformation can be applied sinusoidally, in a constant, or under a fixed rate. The DMA uses samples that can be in bulk solid, film, fiber, gel,
  • Dynamic Testing Characterizes the Viscoelastic Properties of Vocal Fold Tissue
    of up to 15 Hz(1). Dynamic Mechanical Analysis data in the frequency range of typical human speech (150-300 Hz) would be useful to fully evaluate the mechanical properties of original or replacement tissue. In addition, Stress Relaxation and Strain Creep data help determine the range of mechanical
  • DMTA: Dynamic Mechanical Thermal Analysis
    In the following sections, some of the features and benefits of DMRT are presented, relevant elements of rheology are defined, DMRT methods are explained, and some applications of DMRT to polymer studies are given.
  • A Guide to Mechanical Impedance and Structural Response Techniques
    of. reducing the mechanical vibration, either at its source or somewhere along the transmission. path. The overall result is that the dynamic behavior of a machine or structure is now an important. factor in design and development along with the analysis of static stresses and deflections
  • Continuous Dynamic Analysis and Quasi-Static Measurement of Spider Silks
    Nanoscale characterization of biological materials continues to be a challenge in the fields of mechanics and material testing. One example of this type of research is the characterization of the mechanical properties of spider silks. Such silks have an astounding strength-to-weight ratio that has
  • Predicting plastic part life
    Dynamic mechanical analysis helps designers build longer lasting products. Edited by Jean M. Hoffman DMA testing helps determine the effect of different curing conditions on thermoset polyester products. DMA demonstrates the degree of cure based on the stiffness and glass transition temperature

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