A damage to crack transition model accounting for stress triaxiality formulated in a hybrid non-local implicit discontinuous Galerkin - cohesive band model framework
Sign Up to like & getrecommendations! Published in 2018 at "International Journal for Numerical Methods in Engineering"
DOI: 10.1002/nme.5618
Abstract: Summary Modelling the entire ductile fracture process remains a challenge. On the one hand, continuous damage models succeed in capturing the initial diffuse damage stage but are not able to represent discontinuities or cracks. On… read more here.
Keywords: framework; damage crack; triaxiality; model ... See more keywords
Experimental investigation of fracture under controlled stress triaxiality using shear-compression disk specimen
Sign Up to like & getrecommendations! Published in 2017 at "International Journal of Fracture"
DOI: 10.1007/s10704-017-0254-7
Abstract: Experimental investigation of the effect of stress triaxiality on fracture strain has been performed using the shear-compression disk (SCD) specimen. A series of experiments was carried out under quasi-static loading conditions at triaxiality levels in… read more here.
Keywords: shear compression; fracture; experimental investigation; triaxiality ... See more keywords
Calibration of constitutive equations under conditions of large strains and stress triaxiality
Sign Up to like & getrecommendations! Published in 2018 at "Archives of Civil and Mechanical Engineering"
DOI: 10.1016/j.acme.2018.02.013
Abstract: Abstract Constitutive equations were calibrated to improve their application in assessing a stress field in front of a crack under the conditions of large strains and stress triaxiality. The Bai–Wierzbicki method was adopted, and certain… read more here.
Keywords: large strains; strains stress; triaxiality; conditions large ... See more keywords
Three dimensional simulations of texture and triaxiality effects on the plasticity of magnesium alloys
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DOI: 10.1016/j.actamat.2017.01.015
Abstract: Abstract We investigate the synergistic effects of texture and intrinsic plastic anisotropy (at the level of single crystal) on the deformation of polycrystalline magnesium using three-dimensional crystal plasticity finite element simulations. Using rolled plate texture… read more here.
Keywords: intrinsic plastic; triaxiality; three dimensional; plastic anisotropy ... See more keywords
Combined effects of triaxiality, Lode parameter and shear stress on void growth and coalescence
Sign Up to like & getrecommendations! Published in 2018 at "Engineering Fracture Mechanics"
DOI: 10.1016/j.engfracmech.2018.06.008
Abstract: Abstract Shear stress has been recognized as an important parameter, in addition to stress triaxiality and Lode parameter, that characterizes the stress state and influences the ductile fracture process. Micromechanical analyses are performed on a… read more here.
Keywords: triaxiality; shear stress; coalescence; lode parameter ... See more keywords
Effect of stress triaxiality on damage evolution of porous solder joints in IGBT Discretes
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Manufacturing Processes"
DOI: 10.1016/j.jmapro.2018.01.025
Abstract: Abstract In this paper, the effect of stress states on the damage behavior of Sn-based solder connection in an IGBT discrete during thermal cycling (−40 °C to 160 °C) was investigated. To achieve the accurate results in… read more here.
Keywords: triaxiality; effect stress; solder; stress triaxiality ... See more keywords
Effects of triaxiality of primaries on oblate infinitesimal in elliptical restricted three body problem
Sign Up to like & getrecommendations! Published in 2020 at "New Astronomy"
DOI: 10.1016/j.newast.2020.101538
Abstract: Abstract This paper examines the effects of triaxiality of both the primaries on the position and stability of the oblate infinitesimal mass in the neighborhood of triangular equilibrium points in the framework of Elliptical restricted… read more here.
Keywords: equilibrium points; triangular equilibrium; triaxiality; triaxiality primaries ... See more keywords
Investigations on critical anisotropic triaxiality at the crack tip under mixed-mode (I + II) fracture
Sign Up to like & getrecommendations! Published in 2019 at "Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science"
DOI: 10.1177/0954406219827337
Abstract: In this analytical study, anisotropic triaxiality, at the yield loci of the crack tip under mixed-mode (I + II) loading, has been modeled. According to the well-known M-criterion the crack of any orientation from the loading axis,… read more here.
Keywords: tip mixed; triaxiality; anisotropic triaxiality; crack tip ... See more keywords
Stress Triaxiality in Anisotropic Metal Sheets—Definition and Experimental Acquisition for Numerical Damage Prediction
Sign Up to like & getrecommendations! Published in 2022 at "Materials"
DOI: 10.3390/ma15113738
Abstract: Governing void growth, stress triaxiality (η) is a crucial parameter in ductile damage prediction. η is defined as the ratio of mean stress to equivalent stress and represents loading conditions. Attempts at introducing material anisotropy… read more here.
Keywords: stress; anisotropic; triaxiality; damage prediction ... See more keywords