Silicon nitride powder
The characteristics and preparation methods of Si3N4 are reviewed. Special emphasis is placed on the correlation between impurities and strength of sintered Si3N4.
Mori, M.↗
Engineering topics
Tsuge, A.
Publications and source records attributed to Tsuge, A..
Grain boundary engineering of mechanical strength of silicon nitride (Si3N4)
The technical control of grain boundaries of sintered Si3N4 in relation to its mechanical strength is described with special emphasis on the Si3N4-Y2O3-Al2O3 system.
Tsuge, A.↗
Effects of various additives on sintering of aluminum nitride
Effects of thirty additives on sintering A/N were investigated. The addition of alkali earth oxides and rare earth oxides gave fully densified aluminum nitride. This is due to the formation of nitrogen-containing aluminate liquid in the system aluminum nitride-alkali earth oxides or rare earth oxides. Microstructural studies of the sintered specimens with the above two types of additives suggested that the densification was due to the liquid phase sintering. Additions of silicon compounds resulted in poor densification by the formation of highly refractory compounds such as A/N polytypes.
Komeya, K.↗