Results 51 to 60 of about 756,097 (272)

On the mesoscale mechanism of synthetic calcium–silicate–hydrate precipitation: a population balance modeling approach

open access: yes, 2018
A mesoscale pathway of calcium–silicate–hydrate precipitation, leading to nanocrystallites packing nematically in anisotropic particles is quantitatively described for the first time.
Abhishek Kumar   +6 more
core   +1 more source

Modelling the nanoscale properties of calcium silicate hydrate and ice [PDF]

open access: yes, 2018
This thesis was previously held under moratorium from 20/02/19 to 25/05/2021.Cement is the most widely used construction material in the world. It can sustain substantial load due to its high compressive strength but is vulnerable to cracks due to its ...
Romaniuk, Amy
core   +2 more sources

From Pores to Pavement: Advanced Modeling of Aluminosilicates for Scalable Carbon Capture in Concrete

open access: yesAdvanced Science, EarlyView.
This study presents a transferable modeling framework for carbon capture using aluminosilicates, integrating Universal Isotherm Modeling with experimental data. It reveals how ultramicropores, alumina content, and amine functionalization influence CO2 adsorption energetics.
Pooja Anil Kumar Nair   +4 more
wiley   +1 more source

Chemical characteristics of mineral trioxide aggregate and its hydration reaction

open access: yesRestorative Dentistry & Endodontics, 2012
Mineral trioxide aggregate (MTA) was developed in early 1990s and has been successfully used for root perforation repair, root end filling, and one-visit apexification. MTA is composed mainly of tricalcium silicate and dicalcium silicate.
Seok-Woo Chang
doaj   +1 more source

Physical Origin of Temperature Induced Activation Energy Switching in Electrically Conductive Cement

open access: yesAdvanced Science, EarlyView.
The temperature‐induced Arrhenius activation energy switching phenomenon of electrical conduction in electrically conductive cement originates from structural degradation within the biphasic ionic‐electronic conduction architecture and shows percolation‐governed characteristics: pore network opening dominates the low‐percolation regime with downward ...
Jiacheng Zhang   +7 more
wiley   +1 more source

Observation of Calcium Silicate Hydrate by the Precipitation Method

open access: yes, 1994
The paper describes the surface morphology of calcium silicate hydrate (C-S-H) spherical particles prepared by the precipitation method. The increase of Ca:Si ratio in the particles led to a morphological change from microbead-like particles to slightly ...
Suzuki, Shigeru   +3 more
core   +1 more source

Fracture toughness of calcium–silicate–hydrate from molecular dynamics simulations [PDF]

open access: yes, 2015
Concrete is the most widely manufactured material in the world. Its binding phase, calcium–silicate–hydrate (C–S–H), is responsible for its mechanical properties and has an atomic structure fairly similar to that of usual calcium silicate glasses, which ...
Pellenq, RJ-M   +5 more
core   +1 more source

Atmospheric Water Harvesting Through Polymer Hydrogel Sorbents: Materials Chemistry, Design Strategies, and Applications

open access: yesAdvanced Science, EarlyView.
Polymer‐based hydrogels have emerged as promising materials for atmospheric water harvesting (AWH) due to their high water affinity, tunable network structure, and excellent moisture adsorption‐desorption performance. Functional hydrogel systems enable efficient water capture and controlled release under low‐energy conditions, offering a sustainable ...
Swagata Datta   +6 more
wiley   +1 more source

Hydrothermal Synthesis of Calcium Silicate Hydrate from Waste Glass: Effect of CaO/SiO2 Ratio on Phase Formation and Properties

open access: yesJournal of Applied Science and Engineering
Environmental pollution has become increasingly severe due to multiple contributing factors, among which the rapid growth of industrial waste is particularly significant.
Kieu Do Trung Kien   +3 more
doaj   +1 more source

Structure and nanomechanical characterization of synthetic calcium-silicate-hydrate with poly-methacrylic acid

open access: yesRevista IBRACON de Estruturas e Materiais, 2020
: The principal phase of hardened Portland cement pastes is calcium silicate hydrate (C-S-H), which influences the physical and mechanical properties of construction materials.
Fernando Pelisser   +2 more
doaj   +1 more source

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