Tortuosity of porous media: Image analysis and physical simulation
Tortuosity is widely used as a critical parameter to predict transport properties of porous
media, such as rocks and soils. But unlike other standard microstructural properties, the …
media, such as rocks and soils. But unlike other standard microstructural properties, the …
Tortuosity in electrochemical devices: a review of calculation approaches
The tortuosity of a structure plays a vital role in the transport of mass and charge in
electrochemical devices. Concentration polarisation losses at high current densities are …
electrochemical devices. Concentration polarisation losses at high current densities are …
Technical and commercial progress in the adoption of geopolymer cement
JSJ Van Deventer, JL Provis, P Duxson - Minerals Engineering, 2012 - Elsevier
If formulated optimally, geopolymer cement made from fly ash, metallurgical slags and
natural pozzolans could reduce by 80% the CO2 emissions associated with the …
natural pozzolans could reduce by 80% the CO2 emissions associated with the …
X-ray microtomography shows pore structure and tortuosity in alkali-activated binders
Durability of alkali-activated binders is of vital importance in their commercial application,
and depends strongly on microstructure and pore network characteristics. X-ray …
and depends strongly on microstructure and pore network characteristics. X-ray …
Quantification of SOFC anode microstructure based on dual beam FIB-SEM technique
The three-dimensional microstructure of an SOFC anode is quantified using a dual beam
focused ion beam scanning electron microscopy (FIB-SEM) system equipped with an energy …
focused ion beam scanning electron microscopy (FIB-SEM) system equipped with an energy …
Use of silica fume and natural volcanic ash as a replacement to Portland cement: Micro and pore structural investigation using NMR, XRD, FTIR and X-ray …
This work investigates the effectiveness of the use of volcanic ash along with silica fume as a
partial replacement for Portland cement. Multiple mix combinations of volcanic ash, silica …
partial replacement for Portland cement. Multiple mix combinations of volcanic ash, silica …
Quantification of tortuosity in hardened cement pastes using synchrotron-based X-ray computed microtomography
MAB Promentilla, T Sugiyama, T Hitomi… - Cement and Concrete …, 2009 - Elsevier
Tortuosity, as being influenced by the 3D pore micro-geometry, is an important physical
quantity to understand better the effect of pore structure on transport properties of cement …
quantity to understand better the effect of pore structure on transport properties of cement …
Experimental study on water absorption of unsaturated concrete: w/c ratio, coarse aggregate and saturation degree
L Yang, G Liu, D Gao, C Zhang - Construction and Building Materials, 2021 - Elsevier
Better understanding of water transport in concrete is of great significance to assess the
durability and predict service life. In this study, effects of water to cement ratio (W/C), volume …
durability and predict service life. In this study, effects of water to cement ratio (W/C), volume …
Non-destructive characterization of coal samples from China using microfocus X-ray computed tomography
This paper demonstrates capabilities of microfocus X-ray computed tomography (µCT) in
characterizing the development of coal porosity and fractures. For the investigated coals, the …
characterizing the development of coal porosity and fractures. For the investigated coals, the …
Effects of mineral distribution at mesoscopic scale on solute diffusion in a clay‐rich rock: Example of the Callovo‐Oxfordian mudstone (Bure, France)
JC Robinet, P Sardini, D Coelho… - Water Resources …, 2012 - Wiley Online Library
The mesostructure (millimeter to micrometer scale) of clay‐rich sedimentary rocks is
generally characterized by a connected fine‐grained clay matrix embedding coarser …
generally characterized by a connected fine‐grained clay matrix embedding coarser …