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A Quasi-Static Indentation Methodology for Screening Ultra-High Molecular Weight Polyethylene Composites for Ballistic Performance

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Technical Report,01 Jun 2014,30 Sep 2015

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US Army Research Laboratory Aberdeen Proving Ground United States

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Ultra-high molecular weight polyethylene UHMWPE composites are an attractive choice for lightweight ballistic resistant materials due to their high mass efficiency, but traditional material characterization test methods are often difficult or unsuitable for this class of materials due to their unique properties. In this effort, a custom test tool has been developed to probe material behavior under quasi-static loading conditions. This tool, which is designed for quasi-static indentation of rigidly backed composite plates, is investigated as an inexpensive and quick ranking tool for evaluating new materials and varying processing conditions. Intriguing insights into the material behavior are gleaned from the correlation of the results with select ballistic results. Results for a number of materials and various processing conditions are presented and are tied to observations of the microstructure obtained from optical microscopy.

Subject Categories:

  • Laminates and Composite Materials

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