TRACERS FOR USE IN COMPRESSION MOLDING OF UNIDIRECTIONAL DISCONTINUOUS FIBER COMPOSITE MOLDING COMPOUND
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United States of America Patent
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Dec 10, 2015
app pub date -
Jun 9, 2014
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Jun 9, 2014
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Abstract
Tracking or tracing of both the global and local movements of unidirectional discontinuous fiber composite (UD-DFC) chips during compression molding of UD-DFC molding compound. The tracking capability is provided by including tracer chips in the UD-DFC molding compound. The tracer chips include a resin matrix and at least one unidirectional carbon tow which is made up of a plurality of carbon filaments. The tracer chip further includes a unidirectional tracer yarn which is made up of a plurality of unidirectional filaments that are detectable by x-ray or other radiation-based scanning technique.
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