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

Table 2

Analysis of elemental contents for both RBSN and SRBSN.

Material	Elemental content of RBSN (by ICP)		Elemental content of SRBSN (by XRF)
	Ac	Af	Ac	Af
Mg	0.5	0.6	0.1	0.1
Si	56.0	56.7	17.6	18.4
Y	2.6	2.7	0.3	0.4
Zr	0.3	0.3	0.0	0.0

Unit: at.%.