The phase constitution of alite in portland cement clinker highly depends not only on the chemical composition of a raw mix but also on the kinetics of crystallization from the interstitial melt. From the melt of high supersaturation alite can be crystallized so quickly as to take up foreign ions i
Chemical constitution of portland cement clinker
- Publisher
- Elsevier Science
- Year
- 1946
- Tongue
- English
- Weight
- 67 KB
- Volume
- 241
- Category
- Article
- ISSN
- 0016-0032
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๐ SIMILAR VOLUMES
## ABSTP~ACT The relationship between specific power consumption (Id.~/t) and Blaine fineness attained during grinding of the Portland clinker is represented by an exponential function. This function varies by stages. For each stage the following equation may be written: In k~.~/t = a + bS, where
In the system C3A-C~AF-SiO2-MgO, the glass formation region that is closely similar in composition to the interstitial material of portland cement clinker has been determined. The interstitial melt that exists in equilibrium with the silicates at the clinkering temperature contains a little silica.
Unequivocal phase identification of alite in portland cement clinker has been made by combined use of microscopy during heating, X-ray powder diffraction, and differential thermal analysis. Alite thus far assigned to Mlb by X-ray powder diffractometry, in reality, gives every indication of being M