Hypervelocity spectroscopy from impacts in polymeric materials Public Deposited

http://ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/vd66w381f

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  • Stacked sheets of polyethylene terephthalate andpolystyrene provide a means for recovering projectiles travelling at hypervelocities. The transparency of these multiple diaphragms is utilized so that light generated from hypervelocity impacts can be studied. A method for gathering visible as well as ultraviolet light from less transparent polymer foams has been confirmed. Distinct spectral characteristics as well as a blackbody temperature can now be used as tools for characterizing the response of polymer foams to hypervelocity impact. The identification of newly discovered excited atomic transitions from the incident projectile suggests a method for observing the thermal history of the projectile as it progresses through the capture medium.
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