AI Article Synopsis
- The curing process of composite materials significantly impacts their mechanical properties, but traditional inspection methods may not accurately assess the curing state of thermosetting resins.
- Raman spectroscopy is utilized in this study to measure the degree of cure, with findings compared against standard techniques like thermal gravimetric analysis (TGA), differential scanning calorimetry (DSC), and scanning electron microscopy (SEM).
- The results indicate that Raman technology can effectively measure polymerization levels, providing complementary data to classical methods, leading to improved control over curing processes and the quality of carbon fiber specimens made with epoxy resin.
Article Abstract
The curing of composite materials is one of the parameters that most affects their mechanical behavior. The inspection methods used do not always allow a correct characterization of the curing state of the thermosetting resins. In this work, Raman spectroscopy technology is used for measuring the degree of cure. The results are compared with conventional thermal gravimetric analysis (TGA), differential scanning calorimetry (DSC), and scanning electron microscope (SEM). Carbon fiber specimens manufactured with technologies out of autoclave (OoA) have been used, with an epoxy system Prepreg System, SE 84LV. The results obtained with Raman technology show that it is possible to verify the degree of polymerization, and the information is complementary from classical thermal characterization techniques such as TGA and DSC; thus, it is possible to have greater control in curing and improving the quality of the manufactured parts.
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Source |
|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6926920 | PMC |
| http://dx.doi.org/10.3390/ma12233991 | DOI Listing |
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