Effect of Particle Size and Sintering Temperature on the Formation of Mullite from Kyanite and Aluminum Mixtures

Table 2

Average size and specific surface area of kyanite raw and kyanite-aluminum mix.

Milling time (h)	Average size of kyanite (µm)	Specific surface area of kyanite (m^2·g^−1)	Specific surface area of kyanite-aluminum mixtures (m^2·g^−1)
0.5	5.82	8.51	8.40
3	0.52	21.35	20.19
6	0.38	32.1	39.03
12	0.16	40.4	42.36