Comparison between experimental and numerical results of mixed-mode crack propagation in concrete: Influence of boundary conditions choice
Sign Up to like & getrecommendations! Published in 2017 at "Cement and Concrete Research"
DOI: 10.1016/j.cemconres.2017.05.003
Abstract: Abstract In order to experimentally validate concrete damage models and better characterize the concrete behavior during mixed-mode crack propagation, multiaxial tests are developed. The goal is to perform rich and discriminating tests by using state… read more here.
Keywords: boundary conditions; mixed mode; mode crack; crack propagation ... See more keywords
Local lattice instability analysis on mode I crack tip in hcp-Mg: Unstable mode for crack propagation vs. dislocation emission
Sign Up to like & getrecommendations! Published in 2017 at "Computational Materials Science"
DOI: 10.1016/j.commatsci.2017.02.004
Abstract: Abstract As a series study discussing local deformation by the atomic elastic stiffness, B ij α = Δ σ i α / Δ e j , various molecular dynamics simulations are performed on the basal,… read more here.
Keywords: crack tip; mode crack; dislocation emission; crack ... See more keywords
Using acoustic emissions (AE) to monitor mode I crack growth in bonded joints
Sign Up to like & getrecommendations! Published in 2020 at "Engineering Fracture Mechanics"
DOI: 10.1016/j.engfracmech.2019.106778
Abstract: Abstract The usual way to evaluate the fracture toughness of bonded joints is via experimental characterization of the critical strain energy release rate. Different test procedures and data reduction methods for mode I fracture characterization… read more here.
Keywords: bonded joints; growth bonded; mode crack; crack ... See more keywords
Underlying fracture trends on Mode-I crack multiple-branching
Sign Up to like & getrecommendations! Published in 2020 at "Engineering Fracture Mechanics"
DOI: 10.1016/j.engfracmech.2019.106835
Abstract: Abstract An energy-based modelling has been proposed to capture the physical process of multiple cracks initiation from a Mode-I crack tip. The underlying fracture trends and instability on crack tri-branching, symmetric branching and side-branching induced… read more here.
Keywords: multiple; underlying fracture; fracture; mode crack ... See more keywords
Dynamic mode II crack growth along an interface between an elastic solid and a plastic solid
Sign Up to like & getrecommendations! Published in 2018 at "Journal of the Mechanics and Physics of Solids"
DOI: 10.1016/j.jmps.2018.01.011
Abstract: Abstract Dynamic crack growth is analyzed numerically for a planar bimaterial block with an initial edge crack subject to mode II impact loading along the side of the block. The crack is constrained to grow… read more here.
Keywords: along interface; mode crack; interface; crack ... See more keywords
Theoretical model of the plastic zone at the I-mode crack tip in dentin
Sign Up to like & getrecommendations! Published in 2017 at "Scripta Materialia"
DOI: 10.1016/j.scriptamat.2017.02.007
Abstract: Abstract Possible mechanisms of inelastic deformation at the I-mode crack tip in dentin are theoretically studied. We consider the relative shear of collagen fibers in their nodes without breaking intermolecular bonds, the detachment of collagen… read more here.
Keywords: tip dentin; plastic zone; crack tip; mode crack ... See more keywords
Mode II crack shielding in a compressed rough crack with friction
Sign Up to like & getrecommendations! Published in 2020 at "Theoretical and Applied Fracture Mechanics"
DOI: 10.1016/j.tafmec.2020.102515
Abstract: Abstract In this paper, a two-dimensional model to describe the non-planar geometrical features of crack morphologies is presented. The model accounts for frictional tractions along the crack surfaces by considering a rigid-plastic constitutive interface law.… read more here.
Keywords: crack shielding; friction; model; shielding compressed ... See more keywords
A generalized thermoelastic problem due to nonlocal effect in presence of mode I crack
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Thermal Stresses"
DOI: 10.1080/01495739.2020.1788475
Abstract: Abstract This article constructs a new model of nonlocal thermoelasticity which resolves a dynamical problem of a homogeneous, isotropic infinite space weakened by a finite linear mode I crack. The boundary of the crack is… read more here.
Keywords: thermoelastic problem; generalized thermoelastic; mode crack; problem ... See more keywords
A mode I crack with multiple islands of ideal contact between the crack faces: An asymptotic model
Sign Up to like & getrecommendations! Published in 2021 at "Mathematics and Mechanics of Solids"
DOI: 10.1177/10812865211021456
Abstract: The problem of a mode I crack having multiple contacts between the crack faces is considered. In the case of small contact islands of arbitrary shapes, which are arbitrarily located inside the crack, the first-order… read more here.
Keywords: crack faces; crack multiple; mode crack; asymptotic model ... See more keywords
Analysis of a mode-I crack in a one-dimensional orthorhombic quasicrystal strip
Sign Up to like & getrecommendations! Published in 2022 at "Mathematics and Mechanics of Solids"
DOI: 10.1177/10812865221091748
Abstract: A mode-I crack in a one-dimensional (1D) orthorhombic quasicrystal (QC) strip under in-plane phonon and phason stress loading is considered. Fourier transforms are applied to reduce the mixed boundary value problem of the mode-I crack… read more here.
Keywords: crack; crack one; mode crack; dimensional orthorhombic ... See more keywords
Fatigue Crack Growth Behavior of CP-Ti Cruciform Specimens with Mixed Mode I-II Crack under Biaxial Loading
Sign Up to like & getrecommendations! Published in 2022 at "Materials"
DOI: 10.3390/ma15051926
Abstract: Investigations on the fatigue crack growth of commercial pure titanium are carried out with cruciform specimens under different biaxial load ratios (λ = 0, 0.5, and 1) and crack inclination angles (β = 90°, 60°,… read more here.
Keywords: cruciform specimens; crack growth; mode crack; fatigue crack ... See more keywords