%0 Journal Article %T Characterization of cure of carbon/epoxy prepreg used in aerospace field %A Costa %A Michelle Leali %A Botelho %A Edson Cocchieri %A Paiva %A Jane Maria Faulstich de %A Rezende %A Mirabel Cerqueira %J Materials Research %D 2005 %I ABM, ABC, ABPol, SBCC, SBCr, SBMM, SBPMat %R 10.1590/S1516-14392005000300016 %X carbon/epoxy 8552 prepreg is a thermoplastic toughened high-performance epoxy being used in the manufacture of advanced army material. understanding the cure behavior of a thermosetting system is essential in the development and optimization of composite fabrication processes. the cure kinetics and rheological behavior were evaluated using a differential scanning calorimetry (dsc), dynamic mechanical analysis (dma) and a rheometer. values of the kinetic parameters were obtained from dynamic dsc scans using an nth order reaction model. rheological measurements as a function of temperature and time were made for the prepreg system. the manufacturer's recommended cure cycle was evaluated and considered adequate to consolidated the studied system. %K carbon/epoxy prepreg %K kinetic of cure %K dsc %K rheology %K dma. %U http://www.scielo.br/scielo.php?script=sci_abstract&pid=S1516-14392005000300016&lng=en&nrm=iso&tlng=en