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Table 3.

Material constants for JSC980 used in calculation.

Young’s modulus 210 GPa
Poisson’s ratio 0.3
Initial relative density 0.995 (f 0 = 0.005)
Void nucleation parameters ε N  = 0.3, s N  = 0.1 and f N = 0.04
Porous failure criteria f F = 0.25 and f c = 0.15

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