Table 7.

Parameters for ABS

Parameters and units	Value	Reference
Density, (kg/m3)	1050	[17]
Thermal Conductivity K (W/m K)*	0.15-0.19	[14]
Melting Temperature, K	378	[18]
Heat Capacity, Cp,(J/kgK)*	1080-1400	[19]
Ambient Temperature, K	300	[20]
Melt Viscosity, Pa·s**	155 to 5e6	[21]
Melt Flow, m/s	0.005	[18]
Average molecular weights, mol/g	70,000 to 250,000	[18]
Glass transition temperature, K***	378	[18]
Temperature at the nozzle exit, K	473
Heat of glass transition KJ/kg	200	[20]
Heat capacity at constant pressure, glassy state, J/ kg K*	1200	[20]
Heat transfer coefficient, [W/(m^2.K]*	2000	[20]
Heat capacity at constant pressure, rubbery state*	1797.6	[20]
Heat transfer coefficient, air[W/(m^2-K)]	10	[20]
Heat of glass transition[kJ/kg]	207	[20]
Thermal conductivity, Glassy ABS W/(m-K)*	0.3	[18]
Surface tension, N/m	0.029	[14]
Thermal conductivity, Rubbery ABS*	0.2	[20]
The molecular weight (Mn), mol/g	60000	[22]
Molecular weight between entanglements	20000	[22]
Entanglement fraction	Variable (0,1)	[22]
Surface emissivity	0.95	[20]
Thermal Diffusivity, m^2/s 10^-7	1.7	[19]
Shear Modulus, MPa	700-1050	[23]
Tensile Strength, MPa	41-60	[23]
Young’s Modulus, MPa	2275-2900	[23]
Thermal Expansion, e^-6/K	50-85	[23]
Specific Heat, J /kg K	1260-1675	[23]

^*function of temperature, but assumed constant for model

^**Used the Williams-Landel-Ferry (WLF) model for polymer melts parameters on a glass transition temperature (polynomial function).

^***set equal to melting temperature