In-situ cure monitoring of epoxy resin using fiber optic raman spectroscopy (fors)

摘要

Fiber Optic Raman Spectrometry (FORS) was used to monitor resin cure inside an autoclave during processing. Spectra from the cure are used to calculate a degree of cure (REI) of the resin using peak ratioing. This degree of cure (REI) is compared to a degree of cure calcualted from the time-temperature history of the resin. The temeprature based degree of cure is determined by Differential Scanning calorimetry (DSC) measurements made on resin from the same material batch.