Calcium Silicate Hydrate - an overview | ScienceDirect Topics
Calcium Silicates Hydrates (CSH) is the major hydration product of Portland Cement. It has been intensively studied for several decades. CSH can be obtained by hydration of C 3 S and β-C 2 …
Exploring microstructure development of C-S-H gel in cement …
2023年12月1日 · In this study, our focus extended beyond the early hydration stages to include the microstructural changes of C-S-H at later ages. To facilitate SEM observation, two types of …
(a) Scanning electron microscopy (SEM) images of the C-S-H gel …
Download scientific diagram | (a) Scanning electron microscopy (SEM) images of the C-S-H gel with a Ca/Si=1.0. (b) Optimized structure of 11Å11Å clinotobermorite with lattice constants …
Roles of CSH gel in the microstructure and piezoelectric properties ...
2022年1月1日 · The hydration product morphology, CSH gel, is observed before and after polarization. The piezoelectric properties and microstructure of the composite are also …
SEM pictures of C-S-H made by 12-h long mechanochemical …
Microstructural and chemical evidence obtained using SEM and XRD indicated that nanomaterials facilitated the formation of cement gel either by reacting pozzolanically with portlandite to...
Morphology of calcium silicate hydrate (C-S-H) gel: A
2015年2月1日 · Due to its complexity at nanoscale, calcium silicate hydrate (C-S-H), the dominant binding phase in cement hydrates, is not yet completely understood. In this study, molecular …
Structural characterization of C-S-H gel through an improved ...
2013年9月4日 · 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 …
Multi-step nucleation pathway of C-S-H during cement hydration …
2023年12月2日 · Recent evidence indicates that the C-S-H nucleation involves at least two steps, yet the underlying atomic scale mechanism, the nature of the primary particles and their …
Chloride sorption by C-S-H quantified by SEM-EDX image analysis
2022年2月1日 · 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, …
Controlled growth and ordering of poorly-crystalline calcium …
2021年8月11日 · Optimising the mesoscale structure of calcium-silicate-hydrate (C-S-H) is critical to achieving durable and sustainable infrastructure using Portland cement concrete. However, …