Atomically Sharp Crack Tips in Monolayer MoS2 and Their Enhanced Toughness by Vacancy Defects

S Wang, Z Qin, GS Jung, FJ Martin-Martinez, K Zhang… - ACS …, 2016 - ACS Publications
We combine in situ transmission electron microscopy and large-scale molecular dynamics
simulations to investigate brittle fracture in 2D monolayer MoS2, revealing that cracks …

How to study drying shrinkage microcracking in cement-based materials using optical and scanning electron microscopy?

J Bisschop, JGM Van Mier - Cement and concrete research, 2002 - Elsevier
Three different 'destructive'microscopy methods were tested on their ability to show drying
shrinkage microcracks on a specimen cross-section. The first two were methods in which the …

Three-dimensional imaging of cement microstructure evolution during hydration

L Helfen, F Dehn, P Mikulik… - Advances in Cement …, 2005 - icevirtuallibrary.com
Synchrotron radiation is used for X-ray computed tomography to characterise the hydration
process of Portland cement. Quantitative determination of the three-dimensional absorption …

Characterization of microstructure and moisture distribution evolution of concrete using AC impedance spectroscopy

J Shen, S Wang, Q Xu - Journal of Building Engineering, 2024 - Elsevier
In this study, the AC impedance responses of concrete with different microstructures and
water contents at elevated temperatures are examined. First, an equivalent circuit model of …

Analytical solution on dosage of self-healing agents in cementitious materials: long capsule model

Z Lv, H Chen, H Yuan - Journal of intelligent material …, 2014 - journals.sagepub.com
Crack-repairing technology via embedded capsules with healing agents is becoming a
promising approach to sustain the performance of cementitious materials. In this article, the …

Microstructural effects on fracture scaling in concrete, rock and ice

JGM van Mier - IUTAM Symposium on Scaling Laws in Ice Mechanics …, 2001 - Springer
Concrete, rock and ice are brittle disordered materials. Materials belonging to either of these
classes display small-scale heterogeneity at the level of the material micro-and/or meso …

Microstructural and physicomechanical properties of mortars-based dredged sediment

H Ez-zaki, A Diouri - Asian Journal of Civil Engineering, 2019 - Springer
This paper describes the evolution of the microstructure and physicomechanical properties
of mortar and paste samples based on marine wastes. Dredged sediments were …

Mechanical properties of cement mortar: development of structure-property relationships

TT Ghebrab, P Soroushian - International Journal of Concrete …, 2011 - koreascience.kr
Theoretical models for prediction of the mechanical properties of cement mortar are
developed based on the morphology and interactions of cement hydration products …

Thermomechanical Responses of Microcracks in a Honeycomb Particulate Filter

S Naudiyal, M Briceno de Gutierrez… - Advanced …, 2023 - Wiley Online Library
Manufacturing honeycomb‐structured catalysts require a careful understanding of the
microstructure of the solid substrate and its dependence on thermal‐processing conditions …

Synchrotron-radiation X-ray tomography: a method for the 3D verification of cement microstructure and its evolution during hydration

L Helfen, F Dehn, P Mikulík, T Baumbach - 2004 - publica.fraunhofer.de
New possibilities opened up by synchrotron radiation could present x-ray tomog. as an exptl.
imaging method to study the microstructural evolution during cement hydration. The present …