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

Figure 6

XRD patterns of mixture of kyanite-aluminum powder milled at (a) KA0 h, (b) KA0.5 h, (c) KA3 h, (d) KA6 h, and (e) KA12 h at different sintering temperatures. K = kyanite, A = aluminum, M = mullite, CR = cristobalite, and α = α-Al₂O₃.

(a)

(b)

(c)

(d)

(e)