The torsion modulus (G⁄) and the loss modulus factor (tand) are obtained in oscillatory tests performed
at room temperature (24 C) under various frequencies
ranging from 0.1 Hz to 40 Hz, where 0.1 Hz is a near quasi static
frequency and 40 Hz is an optimized frequency, where the composite’s
response is as a pure solid state in dynamical mode. The
test could be considered as a fatigue testing in this range of
frequency.