An Investigation of Thermal Shock in Porous Clay Ceramics

Table 3

Microstructural details of the clay ceramics.

Particle size range (μm)	Length (l) of mullite needles (μm)	Mullite width (w) (μm)	Aspect ratio (l/w)
45–63	1.50 ± 0.30	0.16 ± 0.08	9.03 ± 0.38
63–90	2.60 ± 0.40	0.25 ± 0.05	10.4 ± 0.45
90–125	3.25 ± 0.25	0.35 ± 0.15	9.28 ± 0.40
125–250	5.50 ± 1.50	0.60 ± 0.20	9.17 ± 1.70