Influence of Intermittent Artificial Crack Density on Shear Fracturing and Fractal Behavior of Rock Bridges: Experimental and Numerical Studies
Sign Up to like & getrecommendations! Published in 2019 at "Rock Mechanics and Rock Engineering"
DOI: 10.1007/s00603-019-01928-z
Abstract: Shear-box experiments, Rock Failure Process Analysis (RFPA) simulations, and box-counting fractal analysis on rock-like models are conducted to investigate the influence of intermittent artificial crack density on the shear fracturing and fractal behavior of rock… read more here.
Keywords: crack density; intermittent artificial; artificial crack; rock ... See more keywords
Prediction of the crack density evolution in multidirectional laminates under fatigue loadings
Sign Up to like & getrecommendations! Published in 2017 at "Composites Science and Technology"
DOI: 10.1016/j.compscitech.2017.03.013
Abstract: Abstract An innovative procedure is proposed for the prediction of the crack density evolution in multidirectional laminates subjected to cyclic loadings. The crack initiation and propagation phases are treated separately and described by means of… read more here.
Keywords: crack density; density evolution; prediction; prediction crack ... See more keywords
Automatic edge detection of ply cracks in glass fiber composite laminates under quasi-static and fatigue loading using multi-scale Digital Image Correlation
Sign Up to like & getrecommendations! Published in 2020 at "Composites Science and Technology"
DOI: 10.1016/j.compscitech.2020.108401
Abstract: Abstract Digital image correlation is utilized to detect automatically crack density in glass/epoxy laminates with different lay-ups under quasi-static and fatigue loading conditions. The DIC setups used in the present work are 2D-DIC and 3D-DIC… read more here.
Keywords: quasi static; static fatigue; crack density; crack ... See more keywords
A novel trans-scale method for predicting mode I matrix crack density of composite laminates
Sign Up to like & getrecommendations! Published in 2020 at "Composite Structures"
DOI: 10.1016/j.compstruct.2019.111726
Abstract: Abstract Permeability of linerless composite cryogenic tanks has positive correlation with matrix micro-crack density. In order to obtain the mode I matrix micro-crack density of fiber-reinforced plastic-matrix composite laminates, this paper proposes a novel trans-scale… read more here.
Keywords: mode matrix; matrix; crack density; matrix crack ... See more keywords
Statistical model for initiation governed intralaminar cracking in composite laminates during tensile quasi-static and cyclic tests
Sign Up to like & getrecommendations! Published in 2018 at "International Journal of Fatigue"
DOI: 10.1016/j.ijfatigue.2018.05.030
Abstract: Abstract A simple model for predicting intralaminar cracking in laminates under cyclic loads is proposed and validated. The model is limited to low stresses and low crack density and is based on the assumption that… read more here.
Keywords: cyclic; quasi static; crack density; model ... See more keywords
Determining of a closed-form relation for evolution of crack density and induced delamination in off-axis composite laminates under uniaxial loading condition
Sign Up to like & getrecommendations! Published in 2020 at "Mechanics of Advanced Materials and Structures"
DOI: 10.1080/15376494.2017.1387325
Abstract: Abstract In this study a crack density based micromechanics methods in the framework of shear lag approach will be presented. This method is able to establish a dependent relationship for calculating the stiffness degradation and… read more here.
Keywords: evolution; induced delamination; crack density; composite laminates ... See more keywords
Analysis of intralaminar cracking in 90-plies of GF/EP laminates with distributed ply strength
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Composite Materials"
DOI: 10.1177/00219983211027346
Abstract: Intralaminar cracking in relatively thick 90-plies of [[Formula: see text]]s laminates is analyzed using experimental data for two Glass fiber/Epoxy (GF/EP) material systems. Weibull parameters for transverse failure stress of the 90-ply are obtained from… read more here.
Keywords: analysis; intralaminar; intralaminar cracking; crack density ... See more keywords
Influence of Laser Powder Bed Fusion Process Parameters on Voids, Cracks, and Microhardness of Nickel-Based Superalloy Alloy 247LC
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DOI: 10.3390/ma13173770
Abstract: The manufacturing of parts from nickel-based superalloy Alloy 247LC by laser powder bed fusion (L-PBF) is challenging, primarily owing to the alloy’s susceptibility to cracks. Apart from the cracks, voids created during the L-PBF process… read more here.
Keywords: crack density; density; process; process parameters ... See more keywords