Skip to main content

Table 4 Calibrated micromechanical parameters

From: A thermo-elastoplastic self-consistent homogenization method for inter-granular plasticity with application to thermal ratcheting of TATB

Parameter typeParameter nameSymbolValueUnits
Interphase elasticShear modulus\(G^\mathrm{{int}}\)14.0GPa
 Bulk modulus\(K^\mathrm{{int}}\)20.0GPa
Interphase plasticCohesionc1.8MPa
 Coefficient of internal friction\(\mu \)0.68
 Rate sensitivity exponentn4.0
 Fluidity\(\tau \)0.3MPa\(^{-1}\)
 Normalization factor\(\dot{\gamma }_0\)500min.\(^{-1}\)
 Dilation ratio\(\lambda \)1.0
 Mobilization factorm0.60
 Hardening modulusH1.5MPa