System and method to map a thermal profile of a composite structure using a thermochromatic witness assembly
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United States of America Patent
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Jan 23, 2018
Issued Date -
N/A
app pub date -
Mar 26, 2015
filing date -
Mar 26, 2015
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Abstract
There is provided a system and a method to map a thermal profile of a composite structure during curing in at least one of manufacture or repair of the composite structure. The system has a thermochromatic witness assembly having a first series of probes with a thermochromatic material applied either to a composite lay-up, or applied to a removable material adjacent the composite lay-up. The system further has a process assembly with a heat source to cure the thermochromatic witness assembly to form the composite structure. The system further has a light source to activate the thermochromatic material of the first series of probes to prompt an onset of color changes in the thermochromatic material to determine one or more maximum temperatures of the composite structure, to map the thermal profile of the composite structure during curing in at least one of manufacture or repair of the composite structure.
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