Topology optimization considering fracture mechanics behaviors at specified locations
Sign Up to like & getrecommendations! Published in 2017 at "Structural and Multidisciplinary Optimization"
DOI: 10.1007/s00158-016-1623-y
Abstract: As a typical form of material imperfection, cracks generally cannot be avoided and are critical for load bearing capability and integrity of engineering structures. This paper presents a topology optimization method for generating structural layouts… read more here.
Keywords: fracture mechanics; topology; topology optimization; mechanics ... See more keywords
Fracture mechanics properties and failure mechanisms of environmental-friendly brass alloys under impact, cyclic and monotonic loading conditions
Sign Up to like & getrecommendations! Published in 2018 at "Engineering Failure Analysis"
DOI: 10.1016/j.engfailanal.2018.04.001
Abstract: Abstract Final heat treatment was applied for the microstructural modification and machinability improvement of Pb-free brass alloys, namely CW510L and CW511L. In the frame of the assessment of the structural integrity of such components in… read more here.
Keywords: fracture; brass alloys; failure mechanisms; fracture mechanics ... See more keywords
Cyclic J-integral: Numerical and analytical investigations for surface cracks in weldments
Sign Up to like & getrecommendations! Published in 2017 at "Engineering Fracture Mechanics"
DOI: 10.1016/j.engfracmech.2017.06.023
Abstract: Abstract The cyclic J -integral (Δ J -integral) is a crack tip parameter of elastic-plastic fracture mechanics which can be used as governing parameter for the description of fatigue crack growth (FCG) in metallic structures.… read more here.
Keywords: integral numerical; cyclic integral; fracture mechanics; elastic plastic ... See more keywords
The IBESS model – Elements, realisation and validation
Sign Up to like & getrecommendations! Published in 2017 at "Engineering Fracture Mechanics"
DOI: 10.1016/j.engfracmech.2017.08.033
Abstract: Abstract The work presents the procedure developed within the German research project IBESS, which allows for the fracture mechanics-based prediction of the fatigue strength of welded joints under constant amplitude loading. Based on the experimental… read more here.
Keywords: model elements; welded joints; fracture mechanics; crack ... See more keywords
A review of lattice type model in fracture mechanics: theory, applications, and perspectives
Sign Up to like & getrecommendations! Published in 2017 at "Engineering Fracture Mechanics"
DOI: 10.1016/j.engfracmech.2017.12.037
Abstract: Abstract The lattice model is a discrete model that is typically used to simulate the fracture process of brittle materials. This review summarizes the main achievements during the development history of the state-of-the-art lattice model… read more here.
Keywords: fracture mechanics; lattice model; model; mechanics ... See more keywords
On the elastic stress singularities and mode I notch stress intensity factor for 3D printed polymers
Sign Up to like & getrecommendations! Published in 2018 at "Engineering Fracture Mechanics"
DOI: 10.1016/j.engfracmech.2018.09.035
Abstract: Abstract Fused Filament Fabrication (FFF) is an extrusion-based technology in which a heated print-head extrudes a thermoplastic material layer by layer onto a platform. Due to the partial healing at the interface between extruded filaments… read more here.
Keywords: stress; singularity; fracture mechanics; fff parts ... See more keywords
Fracture toughness testing at the micro-scale − The effect of the unloading compliance method
Sign Up to like & getrecommendations! Published in 2020 at "Engineering Fracture Mechanics"
DOI: 10.1016/j.engfracmech.2020.107135
Abstract: Abstract Fracture mechanical testing of micro-sized cantilevers was conducted in order to quantify the fracture toughness and behaviour of the (1 0 0)[0 1 ¯ 1] crack system in α-iron at 37.5 K, 133 K and room temperature. The… read more here.
Keywords: unloading compliance; fracture; compliance method; fracture mechanics ... See more keywords
Fracture mechanics approach to the problem of subsidence induced by resource extraction
Sign Up to like & getrecommendations! Published in 2020 at "Engineering Fracture Mechanics"
DOI: 10.1016/j.engfracmech.2020.107173
Abstract: Abstract A new area of application of Fracture Mechanics methods is proposed: the determination of surface deformation induced by internal volume change (e.g. due to underground hydrocarbon extraction). The finite layer-like zone of volume alteration… read more here.
Keywords: extraction; surface; fracture mechanics; subsidence ... See more keywords
Fracture mechanics based fatigue life prediction for a weld toe crack under constant and variable amplitude random block loading—Modeling and uncertainty estimation
Sign Up to like & getrecommendations! Published in 2021 at "Engineering Fracture Mechanics"
DOI: 10.1016/j.engfracmech.2020.107487
Abstract: Abstract Propagation of weld toe cracks under cyclic loading is often predicted using fracture mechanics. In as welded condition, most of the propagation life is spent as a short crack, which is known to behave… read more here.
Keywords: weld toe; mechanics based; fracture mechanics; mechanics ... See more keywords
Finite similitude in fracture mechanics
Sign Up to like & getrecommendations! Published in 2021 at "Engineering Fracture Mechanics"
DOI: 10.1016/j.engfracmech.2021.107573
Abstract: Abstract Scaled experimentation can potentially provide significant benefits such as reduced costs materials and time in testing but is afflicted by the phenomena of scale effects, where the behaviour at scale can be markedly different… read more here.
Keywords: mechanics finite; fracture mechanics; scale effects; finite similitude ... See more keywords
Applying fracture mechanics to fatigue strength determination – Some basic considerations
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Fatigue"
DOI: 10.1016/j.ijfatigue.2019.05.009
Abstract: Abstract A discussion is provided on demands that must be met in order to apply fracture mechanics to the determination of overall fatigue lifetime and strength, i.e., S-N curves and fatigue limits. These comprise the… read more here.
Keywords: strength; crack; fracture mechanics; determination ... See more keywords