Chloride sorption by C-S-H quantified by SEM-EDX image analysis
Feb 1, 2022 · In this paper, we use SEM-EDX hypermaps to quantify the chloride sorption in hydrated an C 3 S paste, after equilibrium in solutions of chloride salts (NaCl, KCl, CaCl 2, …
Calcium silicate hydrate - Wikipedia
Calcium silicate hydrates (CSH or C-S-H) are the main products of the hydration of Portland cement and are primarily responsible for the strength of cement-based materials. [1] They are …
Direct synthesis of a solid calcium-silicate-hydrate (C-S-H)
Oct 30, 2019 · We present new results on solid (monolithic) synthetic C-S-H made at room temperature from easily obtainable calcium sources (calcium oxide, calcium hydroxide) and …
SEM pictures of C-S-H made by 12-h long mechanochemical …
The SEM images demonstrated that the concrete microstructure containing nanoparticles exhibited denser textures and showed fewer destructive effects and microcracks due to the …
Exploring microstructure development of C-S-H gel in cement …
Dec 1, 2023 · In this study, we systematically investigated the morphology change of outer C-S-H and inner C-S-H in real cement pastes, spanning from the induction period to several days …
1: Scanning electron microscopy of Calcium Silicate Hydrate (C-S-H…
Utilization of calcined limestone as supplementary cementing materials (SCMs) along with other additional SCMs (fly ash, silica fume, uncalcined lime-stone) can effectively influence the fresh...
Chapter 14. Sample Preparation for and Examination With The …
Mar 8, 2016 · The SEM (figure 173) scans a focused beam of electrons across the specimen and measures any of several signals resulting from the electron beam interaction with the …
(a) Scanning electron microscopy (SEM) images of the C-S-H gel …
Alkali doped calcium-silicate-hydrate (C-S-H) is a critical silicate material since the use of blended cements and alkali-acti... ... 0.5, 1, 5 M). Synchrotron X-ray diffraction was...
Structural characterization of C-S-H gel through an improved ...
Sep 4, 2013 · The compositional analysis of the C-S-H gel was performed through energy dispersive X-ray microanalysis implemented in a Hitachi S-4800 scanning electron microscope …
Effect of Biomolecules on the Nanostructure and Nanomechanical …
Jun 22, 2018 · Scanning electron microscopy (SEM) was utilized to investigate the effect of amino acids and proteins on the morphology of C-S-H nanocomposites.