Advances in characterizing and understanding the microstructure of cementitious materials

PJM Monteiro, G Geng, D Marchon, J Li… - Cement and Concrete …, 2019 - Elsevier
Progress in microstructural characterization methods is summarized. Special attention is
given to advanced probes, such as X-ray imaging and spectroscopy, 1 H NMR relaxometry …

Combinatorial molecular optimization of cement hydrates

MJ Abdolhosseini Qomi, KJ Krakowiak… - Nature …, 2014 - nature.com
Despite its ubiquitous presence in the built environment, concrete's molecular-level
properties are only recently being explored using experimental and simulation studies …

A review of molecular dynamics simulations in the designing of effective shale inhibitors: application for drilling with water-based drilling fluids

RE Swai - Journal of Petroleum Exploration and Production …, 2020 - Springer
When drilling for oil and gas, maintaining wellbore stability is of primary importance to
reduce non-productive time and trouble cost. Shale swelling causes many problems related …

Physical origins of thermal properties of cement paste

MJ Abdolhosseini Qomi, FJ Ulm, RJM Pellenq - Physical Review Applied, 2015 - APS
Despite the ever-increasing interest in multiscale porous materials, the chemophysical origin
of their thermal properties at the nanoscale and its connection to the macroscale properties …

Anomalous composition-dependent dynamics of nanoconfined water in the interlayer of disordered calcium-silicates

MJA Qomi, M Bauchy, FJ Ulm… - The Journal of chemical …, 2014 - pubs.aip.org
With shear interest in nanoporous materials, the ultraconfining interlayer spacing of calcium–
silicate–hydrate (C–S–H) provides an excellent medium to study reactivity, structure, and …

Effect of water content and structural anisotropy on tensile mechanical properties of montmorillonite using molecular dynamics

P Wei, YY Zheng, Y Xiong, S Zhou, K Al-Zaoari… - Applied Clay …, 2022 - Elsevier
The mechanical behavior of montmorillonite is sensitive to water content and structural
anisotropy. In this study, the evolution of atomic structure and mechanical behavior of …

Swelling of montmorillonite from molecular simulations: Hydration diagram and confined water properties

L Brochard - The Journal of Physical Chemistry C, 2021 - ACS Publications
Swelling clays are known to exhibit crystalline swelling at the layer scale (∼ nm): X-ray
diffraction (XRD) identifies discrete jumps in interlayer spacing upon a change in relative …

Effective interactions between calcium-silicate-hydrate nanolayers

S Masoumi, S Zare, H Valipour… - The Journal of …, 2019 - ACS Publications
Calcium-silicate-hydrate (CSH), the main binding phase in cementitious materials,
possesses a complex multiscale porous texture where nanosized particles interact …

Micromechanical characterization of shales through nanoindentation and energy dispersive x-ray spectrometry

YB Veytskin, VK Tammina, CP Bobko… - … for Energy and the …, 2017 - Elsevier
Shales are heterogeneous sedimentary rocks which typically comprise a variable
mineralogy (including compacted clay particles sub-micrometer in size), silt grains, and …

Determining the mechanism and efficiency of industrial dye adsorption through facile structural control of organo-montmorillonite adsorbents

P Huang, A Kazlauciunas, R Menzel… - ACS Applied Materials & …, 2017 - ACS Publications
The structural evolution of cost-effective organo-clays (montmorillonite modified with
different loadings of CTAB (cetyltrimethylammonium bromide)) is investigated and linked to …