material

load

β

λ

T , γ

S , s

T , γ

S , s

PA

σ 0.3

0.061

0.083

654.621

683.217

σ 0.4

−0.011

0.015

570.776

599.720

σ 0.5

−0.050

−0.027

530.258

561.334

PA + UDD

σ 0.3

0.020

0.002

623.307

598.596

σ 0.4

−0.025

0.011

561.117

608.101

σ 0.5

−0.047

0.009

530.750

600.000

PA + CNT

σ 0.3

0.011

0.012

585.827

588.197

σ 0.4

−0.075

0.034

481.834

613.805

σ 0.5

−0.126

0.022

433.514

614.225