Figure 4. Sintered density of spinel specimens with (0-8wt% CaO) firing at 1200°C and 1400°C

From

Effect of CaO Addition on the Sintering Behavior and Microstructure of Stoichiometric Spinel

Qasid A. Saleh, Baker F. Hassen

International Journal of Physics. 2017, 5(2), 57-62 doi:10.12691/ijp-5-2-5