A review of the effects of weak interfaces on crack propagation in rock: From phenomenon to mechanism

M Ju, X Li, X Li, G Zhang - Engineering Fracture Mechanics, 2022 - Elsevier
This article reviews the effect of weak interfaces on crack propagation in rock and some
other analogous brittle materials from phenomenon to mechanism. In this review, a variety of …

A review of Finite Fracture Mechanics: crack initiation at singular and non-singular stress raisers

P Weißgraeber, D Leguillon, W Becker - Archive of Applied Mechanics, 2016 - Springer
Crack initiation in brittle materials is not covered by classical fracture mechanics that deals
only with the growth of pre-existing cracks. In order to overcome this deficiency, the Finite …

Hierarchically enhanced impact resistance of bioinspired composites

GX Gu, M Takaffoli, MJ Buehler - Advanced Materials, 2017 - Wiley Online Library
An order of magnitude tougher than nacre, conch shells are known for being one of the
toughest body armors in nature. However, the complexity of the conch shell architecture …

Effect of loading rate on fracture toughness and failure micromechanisms in marble

QB Zhang, J Zhao - Engineering Fracture Mechanics, 2013 - Elsevier
Fracture experiments in a notched semi-circular bend configuration were conducted to
characterize rate effects and failure micromechanisms of a marble using a servo-hydraulic …

Effects of internal structure and local stresses on fracture propagation, deflection, and arrest in fault zones

A Gudmundsson, TH Simmenes, B Larsen… - Journal of Structural …, 2010 - Elsevier
The way that faults transport crustal fluids is important in many fields of earth sciences such
as petroleum geology, geothermal research, volcanology, seismology, and hydrogeology …

High-speed photography and digital optical measurement techniques for geomaterials: fundamentals and applications

HZ Xing, QB Zhang, CH Braithwaite, B Pan… - Rock Mechanics and …, 2017 - Springer
Geomaterials (ie rock, sand, soil and concrete) are increasingly being encountered and
used in extreme environments, in terms of the pressure magnitude and the loading rate …

Deflection of dykes into sills at discontinuities and magma-chamber formation

A Gudmundsson - Tectonophysics, 2011 - Elsevier
Many rift zones contain composite volcanoes (central volcanoes), most of which are
supplied with magma from shallow crustal magma chambers. Volcanotectonic studies of …

Experimental study of mechanical and electrical properties of carbon nanofiber/epoxy composites

S Bal - Materials & Design (1980-2015), 2010 - Elsevier
Epoxy nanocomposites of different content of carbon nanofibers up to 1wt.% have been
fabricated under room temperature and refrigerated curing conditions. The composites were …

Variational phase-field fracture modeling with interfaces

K Yoshioka, M Mollaali, O Kolditz - Computer Methods in Applied …, 2021 - Elsevier
This paper proposes a diffused approach to approximate failure at interfaces that physically
occupy negligible space compared to the bulk material. For an interface diffused over a …

Adaptive phase-field modeling of dynamic brittle fracture in composite materials

W Li, N Nguyen-Thanh, H Du, K Zhou - Composite Structures, 2023 - Elsevier
An adaptive phase-field modeling approach is developed for the dynamic brittle fracture of
composite materials subjected to impact loading. This approach is capable of capturing the …