Comprehensive study of biomass fly ash in concrete: Strength, microscopy, kinetics and durability

A simultaneous semi-isothermal method of thermogravimetry and derivative thermogravimetry, and its application to cement pastes

Differential thermal method of estimating calcium hydroxide in calcium silicate and cement pastes

Quantitative kinetics of pozzolanic reactions in coal/cofired biomass fly ashes and calcium hydroxide (CH) mortars

Thermal-shock resistance of hard porcelain samples are dependent on the concentrations of the crystalline phases (mullite and quartz) and the glassy phase and also on the size of mullite crystals. Internal stresses originating in the samples from the thermal expansion mismatch between the phases also influence the thermal-shock resistance. The thermal expansion of the samples is a function of the asymmetry of size-distribution of mullite crystals.

Ceramic Properties of Hard Porcelain in Relation to Mineralogical Composition and Microstructure: IV—Thermal-shock Resistance and Thermal Expansion

A method for the estimation of free calcium hydroxide in set cement by D. T. G. A. has been developed, using a manually operated thermogravimetric balance. It has been observed that loss due to dehydration of Ca(OH)2 which gives a measure of its amount can be determined from the area of the peak round 550°C after correcting for the loss at this temperature range due to other constituents of set cement by extrapolation.

Estimation of free Calcium Hydroxide present Hydrated Cements by Differential Thermo-gravimetric Analysis

Thermal-shock resistance of aluminosilicate refractories is influenced by their chemical composition and mineralogical constitution. Attempts have been made in this paper to compare the effects of shape, size and relative proportions of the crystalline phases usually present in the aluminosilicate refractories on their thermal-shock resistance.

Spalling characteristics of aluminosilicate refractories in relation to their chemical and mineralogical composition

In this review pozzolanic cements have been discussed. A certain amount of pozzolana can be mixed with Portland cement to yield pozzolanic cements and thus the mixture becomes economic as well as inter-reactive. The specific advantages are its better strength, improved workability, less heat of hydration, less shrinkage and greater resistance to chemical attack and cracking. The improvement of properties as well as their mechanisms have teen discussed.

M. K. Chatterjee

Papers

Estimation of free Calcium Hydroxide present Hydrated Cements by Differential Thermo-gravimetric Analysis

Spalling characteristics of aluminosilicate refractories in relation to their chemical and mineralogical composition

Pozzolana and Pozzolanic Cements—A Review Part—II: Pozzolanic Cements