Jan 27, 2005 #1 soya Mechanical Dec 9, 2004 11 0 0 GB dear friends, May I know how to get the value of thermal diffusivity for carbon steel at 1123 K? Thanks in advance.
dear friends, May I know how to get the value of thermal diffusivity for carbon steel at 1123 K? Thanks in advance.
Jan 27, 2005 1 #2 metengr Materials Oct 2, 2003 15,478 0 0 US You can either attempt to look up the value, OR you can calculate it based on the following equation; thermal diffusivity = thermal conductivity/density * heat capacity thermal conductivity at 1100 deg K = 25.9 W/m K density at 1100 deg K = 7620 kg/m^3 heat capacity at 1100 deg K = 0.64 kJ/kg K These values are for AISI Type 1026 CS and were from "Transport Phenomena in Materials Processing" by Poirier and Geiger Upvote 0 Downvote
You can either attempt to look up the value, OR you can calculate it based on the following equation; thermal diffusivity = thermal conductivity/density * heat capacity thermal conductivity at 1100 deg K = 25.9 W/m K density at 1100 deg K = 7620 kg/m^3 heat capacity at 1100 deg K = 0.64 kJ/kg K These values are for AISI Type 1026 CS and were from "Transport Phenomena in Materials Processing" by Poirier and Geiger