Microstructure and Thermal Conductivity of Sintered Reaction-Bonded Silicon Nitride: The Particle Size Effects of MgO Additive

Table 3

Thermal diffusivity, density, and thermal conductivity for specimens.

Specimen	Thermal diffusivity (cm^2·s^−1)	Density (g·cm^−3)	Thermal conductivity [5] (W·m^−1·K^−1)
Ac	40.1	3.2	87.8
Af	35.5	3.2	77.3