New insights into the hydration of slag in alkaline media using a micro-reactor approach

作者: Prannoy Suraneni , Marta Palacios , Robert J. Flatt

DOI: 10.1016/J.CEMCONRES.2015.09.015

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摘要: Abstract A micro-reactor approach, developed previously, is used to study the reactions of slag in alkaline media. Micron-sized gaps are milled grains using a focused ion beam (FIB) and subsequently filled with solutions, leading dissolution hydration slag. After stopped, scanning electron microscope (SEM) image gaps. We present effect pH nature solution on hydrate morphology. The results obtained this confirm that presence aluminum calcium has strong retarding dissolution. major implication these blended cements, reactivity probably suffers from ions released by cement into solution. show strongly adsorbing superplasticizers inhibit slag, but only at lower alkali concentrations C–S–H seeds may also under certain experimental conditions. compared contrasted for alite tricalcium silicate previously reported literature.

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