Micro-deformation and failure in polymeric materials as studied by in-situ tensile test in a transmission electron microscope (TEM)
2004
This report describes a method for the study of micro-deformation mechanisms of polymeric materials using tensile straining stages in transmission electron microscopy (TEM). The straining stages allow the in-situ observation of morphological changes while tensile strain is applied to a material over a temperature range -165 °C up to 500°C. The application of this technique to different polymeric materials will be described. Micro-deformation mechanisms observed in the in-situ deformation study will be correlated to macroscopic mechanical test results. Implication for materials designing and failure mechanisms will be discussed.
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