The non-woven felt known commercially as Dyneema Fraglight has an outstanding performances stopping fragments. The objective of this project is to understand the reason for this performance by means of four different approaches: 1) Through mechanical characterization varying size, direction, temperature and strain rate of specimens; 2) Ballistic characterization to obtain residual velocity curves and high speed photography; 3) Numerical simulations of static and ballistic tests; 4) Analytical modeling. All ...
The objective of this project is to gain insight in the behavior of the non-woven felt commercially know as Dyneema Fraglight. The following activities were performed during the period covered by this report: 1) Tests at different temperatures and orientations. 2) Search of characteristic length of fiber and fabric. 3) High strain rate specimen designed and difficulties in Hopkinson bar testing. 4) Calibration and set-up of the image system that ...
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