1. Silicon Nitride and Related Materials;Riley,2000
2. Crystal Structures of Silicon Nitride;Hardie,1957
3. Pressureless Sintering of Si3N4;Terwilliger,1975
4. Phase Transformation and Microstructural Changes of Si3N4 During Sintering;Goto,1995
5. Densification During Sintering in the Presence of a Liquid Phase;Kingery,1959