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

Figure 11

Scanning electron micrographs of 3 : 2 mullite. Specimen was sintered at 1600°C, cold uniaxially pressed, and thermally etched: (a) KA0 h, (b) KA0.5 h, (c) KA3 h, (d) KA6 h, and (e) KA12 h.

(a)

(b)

(c)

(d)

(e)