| E’ | Storage modulus |
| Glassy storage modulus | |
| Rubbery storage modulus | |
| E” | Loss modulus |
| tan δ | Loss tangent |
| tan δi | Interfacial damping |
| T | Temperature |
| Tg | Glass transition temperature |
| Degree of glass transition | |
| f | Frequency |
| R | Gas constant |
| Ea | Activation energy |
| k | Boltzmann constant |
| m | Frequency sensitivity coefficient |
| σi | Strength Indicator |
| L(f) | Intrinsic growth rate of the glass transition region |
| S(f) | Symmetry of the glass transition region |
| Vf | Fiber volume fraction |