Bloating Mechanism of Lightweight Aggregates due to Ramping Rate

Table 3

Experimental conditions.

Sintering	Input temperature (°C)	Output temperature (°C)	Sintering time (min)
Rapid sintering	1100	1100	10
	1140	1140
	1180	1180
Two-step firing		1120	10 (7′ + 3′)
	600	1140
	700	1160	20 (14′ + 6′)
	800	1180
	900	1200	30 (21′ + 9′)
		1220
Normal sintering	300	1120	40
		1140
		1160
		1180	60
		1200
		1220