A Phenomenological Thermal-Mechanical Viscoelastic Constitutive Modeling for Polypropylene Wood Composites

Table 1

Viscoelastic parameters of PP wood composites under different temperature.

𝜀̇ (s^−1)	90°C		130°C		170°C
	𝐸 1/MPa	θ/s	𝐸 1/MPa	θ/s	𝐸 1/MPa	θ/s
0.0006	320.1	92.42	183.1	94.66	58.5	91.5
0.0030		21.63		21.67		22.56
0.0303		2.66		2.63		3