Page 119 - Handbook of Thermal Analysis of Construction Materials

Section 6.0 - Hydration 103

Figure 24. Thermal analysis curves of 4CaO•Al O •Fe O hydrated to different periods.
2 3 2 3

Table 4. Estimation of Hexagonal and Cubic Phases by TG Technique

Sample Preparation Amounts of Phases (%)
o
W/S Temperature ( C) Hexagonal Cubic
0.3 23 14.5 53.3
0.4 23 15.2 61.2
0.5 23 9.2 71.9
1.0 23 13.4 79.7
0.4 80 9.8 74.7
1.0 80 8.2 71.5
0.13 23 13.2 38.5
0.13 80 2.8 52.8
0.08 23 8.7 17.2
0.08 80 4.0 28.5