Normal spectral emissivity, specific heat capacity, and thermal conductivity of type 316 austenitic stainless steel containing up to 10 mass% BC in a liquid state

Fukuyama, Hiroyuki*; Higashi, Hideo*; Yamano, Hidemasa   

The normal spectral emissivity, specific heat capacity and thermal conductivity of type 316 austenitic stainless steel (SS) containing boron carbide (BC) in a liquid state were experimentally measured over the composition range of SS- mass% BC (up to 10%) and wide temperature ranges using an electromagnetic levitator in a static magnetic field. The normal spectral emissivity and specific heat capacity were almost constant against temperature for all SS-BC melts, and the thermal conductivities of the melts had a negligible or small positive temperature dependence. The BC-content dependence of each property at 1800 K had a different tendency across the eutectic composition (around 3 mass% BC) of the SS-BC pseudo-binary system.