Table 2: Porosity and Density of Different Weight Gain RBSN Samples

Samples of RBSN	Experimental Density (ρexp)	Theoretical Density (ρth)	Density	Porosity (%)
Reported Value for RBSN (fully nitrided) [4]			2.56	20-25 vol %
26% weight gain	1.998	2.835		29.54
42% weight gain	2.108	2.721		22.53
58.27% weight gain	2.181	2.776		21.45