New Maxwell Creep Model Based on Fractional and Elastic-Plastic Elements

Figure 6

Sensitivity of the creep strain to fractional derivative order β (σ = 14.41 MPa, σ_s = 13.5 MPa, E = 0.590 GPa, ξ = 3.662 GPa·h^β, t_F = 1056 h, and α = 0.191).