= viscosity η = surface tension γt = atomic volume Ω = density ρ = pressure gradient ζ = Poisson’s ratio υ = critical strain rate εc = plastic strain εp = stability parameter ψ = geometrical factor between 0.5 and 1 χ = fracture angle under compression θc = shear fracture angle under tension θt = particle spacing λs = average structural relaxation time τ = shear stress τ0 = normal stress σ0 = fracture strength σf = supercooled liquid region Tx ∆ = temperature increase in a single band Ts ∆ = activation barrier Gm ∆ = heat of mixing ∆Hmix
η = viscosity γt = surface tension Ω = atomic volume ρ = density ζ = pressure gradient υ = Poisson’s ratio εc = critical strain rate εp = plastic strain ψ = stability parameter χ = geometrical factor between 0.5 and 1 θc = fracture angle under compression θt = shear fracture angle under tension λs = particle spacing τ = average structural relaxation time τ0 = shear stress σ0 = normal stress σf = fracture strength ∆ Tx = supercooled liquid region ∆ Ts = temperature increase in a single band ∆ Gm = activation barrier ∆Hmix = heat of mixing