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Table 4 Optimised parameter values for the viscoplastic constitutive model

From: Testing, characterization and modelling of mechanical behaviour of poly (lactic-acid) and poly (butylene succinate) blends

Parameters 70/30 50/50 30/70
E (MPa) 2296.78 1395.73 870.15
Z 33.19 31.49 17.66
N 8.06 6.92 65.59
C1 413.82 610.23 590.21
a1 (MPa) 9.59 5.16 4.87
C2 51.73 104.67 85.34
a2 (MPa) 5.67 4.27 5.22
b 36.08 147.51 3.45
Q (MPa) −11.48 −5.23 8.35
k (MPa) 40.12 35.16 29.77