Review of Progress in Quantitative Nondestructive Evaluation
San Diego, CA
The development of a simple test for subcritical damage in body armor panels using pressure‐sensitive dye‐indicator film has been performed and demonstrated effective. Measurements have shown that static indicator levels are accurately reproduced in dynamic loading events. Impacts from hard blunt impactors instrumented with an accelerometer and embedded force transducer were studied. Reliable correlations between the indicator film and instrumented impact force are shown for a range of impact energies. Force and acceleration waveforms with corresponding indicator film results are presented for impact events onto damaged and undamaged panels. We find that panel damage can occur at impact levels far below the National Institute of Justice acceptance test standard.
American Institute of Physics
Fisher, Jason T. and Chimenti, Dale E., "Simple go/no-go test for subcritical damage in body armor panels" (2010). Center for Nondestructive Evaluation Conference Papers, Posters and Presentations. 55.