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| Naji, M. |
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| Ertürk, Emre |
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| Petrov, R. H. | Madrid |
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| Kočí, Jan | Prague |
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Hoefnagels, Jpm Johan
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (71/71 displayed)
- 2024An integrated experimental-numerical study of martensite/ferrite interface damage initiation in dual-phase steelscitations
- 2024A quasi-2D integrated experimental–numerical approach to high-fidelity mechanical analysis of metallic microstructurescitations
- 2024Harvesting deformation modes for micromorphic homogenization from experiments on mechanical metamaterialscitations
- 2024Influence of the printing strategy on the microstructure and mechanical properties of thick-walled wire arc additive manufactured stainless steelscitations
- 2023On the anisotropy of thick-walled wire arc additively manufactured stainless steel partscitations
- 2023Micro-mechanical deformation behavior of heat-treated laser powder bed fusion processed Ti-6Al-4Vcitations
- 2023Integrated digital image correlation for micro-mechanical parameter identification in multiscale experimentscitations
- 2022Plasticity, localization, and damage in ferritic-pearlitic steel studied by nanoscale digital image correlationcitations
- 2022A Nanomechanical Testing Framework Yielding Front&Rear-Sided, High-Resolution, Microstructure-Correlated SEM-DIC Strain Fieldscitations
- 2022Influence of porosity and blistering on the thermal fatigue behavior of tungstencitations
- 2022A multi-scale framework to predict damage initiation at martensite/ferrite interfacecitations
- 2022Microstructural modeling and measurements of anisotropic plasticity in large scale additively manufactured 316L stainless steelcitations
- 2022A modular framework to obtain representative microstructural cells of additively manufactured partscitations
- 2022Accurate Strain Field Measurement During Strip Rolling by Exploiting Recurring Material Motion with Time-Integrated Digital Image Correlationcitations
- 2022Effect of asymmetric material entrance on lubrication in cold rollingcitations
- 2021Revisiting the martensite/ferrite interface damage initiation mechanism: The key role of substructure boundary slidingcitations
- 2021A discrete slip plane model for simulating heterogeneous plastic deformation in single crystalscitations
- 2021Recrystallization-mediated crack initiation in tungsten under simultaneous high-flux hydrogen plasma loads and high-cycle transient heatingcitations
- 2021In depths of paper degradation
- 2020An in-situ, micro-mechanical setup with accurate, tri-axial, piezoelectric force sensing and positioningcitations
- 2020Fracture behavior of tungsten-based composites exposed to steady-state/transient hydrogen plasmacitations
- 2020Fracture behavior of tungsten-based composites exposed to steady-state/transient hydrogen plasma
- 2020Anisotropic hygro-expansion in hydrogel fibers owing to uniting 3D electrowriting and supramolecular polymer assemblycitations
- 2020Micron-scale experimental-numerical characterization of metal-polymer interface delamination in stretchable electronics interconnectscitations
- 2020Laser-induced toughening inhibits cut-edge failure in multi-phase steelcitations
- 2019Mixed-mode cohesive zone parameters from integrated digital image correlation on micrographs onlycitations
- 2019Lath martensite plasticity enabled by apparent sliding of substructure boundariescitations
- 2018Anomalous precipitation hardening in Al-(1 wt%)Cu thin films
- 2018A bulge test based methodology for characterizing ultra-thin buckled membranescitations
- 2018Martensite crystallography and chemistry in dual phase and fully martensitic steelscitations
- 2018Anomalous precipitation hardening in Al-(1 wt%)Cu thin filmscitations
- 2018Advances in delamination modeling of metal/polymer systems: continuum aspectscitations
- 2018Crystal plasticity parameter identification by integrated DIC on microscopic topographies
- 2018Ferrite slip system activation investigated by uniaxial micro-tensile tests and simulationscitations
- 2017Boundary mechanics in lath martensite, studied by uni-axial micro-tensile testscitations
- 2017On the underlying micromechanisms in time-dependent anelasticity in Al-(1 wt%)Cu thin filmscitations
- 2017Unraveling the apparent ductility of lath martensite
- 2016Microstructural study of the mechanical response of compacted graphite ironcitations
- 2016A statistical/computational/experimental approach to study the microstructural morphology of damage
- 2016A statistical/computational/experimental approach to study the microstructural morphology of damage
- 2016Crystal plasticity parameter identification with 3D measurements and Integrated Digital Image Correlationcitations
- 2016Systematic and objective identification of the microstructure around damage directly from imagescitations
- 2015Retardation of plastic instability via damage-enabled micro-strain delocalizationcitations
- 2014Strain localization and damage in dual phase steels investigated by coupled in-situ deformation experiments and crystal plasticity simulationscitations
- 2014Irreversible mixed mode interface delamination using a combined damage-plasticity cohesive zone enabling unloading
- 2014Irreversible mixed mode interface delamination using a combined damage-plasticity cohesive zone enabling unloadingcitations
- 2014Characterization of time-dependent anelastic microbeam bending mechanicscitations
- 2014Anelasticity in Al-alloy thin films: a micro-mechanical analysis
- 2013Integrated global digital image correlation for interface delamination characterization
- 2013Microstructure based overview and modeling of Al-Cu alloyed MEMS
- 2012From damage to fracture in dual-phase steels：a focused experimental-numerical approach
- 2012An in situ experimental-numerical approach for characterization and prediction of interface delamination : application to CuLF-MCE systemscitations
- 2012An in situ experimental-numerical approach for characterization and prediction of interface delamination : application to CuLF-MCE systems
- 2012Multi-axial deformation setup for microscopic testing of sheet metal to fracturecitations
- 2012A micropillar compression methodology for ductile damage quantificationcitations
- 2012Micromechanical characterization of ductile damage in DP steel
- 2010Numerical and experimental analysis of stretching induced interconnect delamination for stretchable electronic circuits
- 2010Numerical and experimental analysis of stretching induced interconnect delamination for stretchable electronic circuits
- 2010Indentation-based damage quantification revisitedcitations
- 2010Electron micrographic digital image correlation : method optimization and microstructural banding case studycitations
- 2009Experimental analysis of strain path dependent ductile damage mechanics and forming limits
- 2009Experimental analysis of strain path dependent ductile damage mechanics and forming limitscitations
- 2009A critical assessment of indentation-based ductile damage quantificationcitations
- 2009On a proper account of first- and second-order size effects in crystal plasticitycitations
- 2009Direct damage quantification techniques – a comparative study
- 2008In-plane biaxial loading of sheet metal until fracture
- 2008Experimental-numerical analysis of the indentation-based damage characterization methodologycitations
- 2008Processing induced size effects in plastic yielding upon miniaturisationcitations
- 2008Brittle fracture-based experimental methodology for microstructure analysiscitations
- 2005A novel diagnostic approach for studying silicon thin film growth
- 2000Low temperature inorganic chemical vapor deposition of Ti-Si-N diffusion barrier liners for gigascale copper interconnect applicationscitations
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article
On the underlying micromechanisms in time-dependent anelasticity in Al-(1 wt%)Cu thin films
Abstract
This paper reveals potential micro mechanisms underlying time-dependent anelasticity observed in Al-(1 wt%)Cu thin films. The analyzed deformation mechanisms involve dislocation motion and interaction with solute diffusion, grain boundaries and precipitates. In order to investigate the role of these mechanisms, Al-(1 wt%)Cu alloy thin films are heat treated to systematically change the precipitation state, while characterizing the grain boundary distribution with electron backscatter diffraction. Micromechanical characterization is performed by microbeam bending, nano-tensile creep testing and nano-indentation. Results in microbeam bending reveal, for all precipitate and grain boundary states considered, a similar time-dependent evolution of the anelastic strain after load release. The magnitude of the recovered strain is also observed to be independent of the precipitate or grain boundary configuration. The nano-tensile creep test also indicates the same time-dependent anelastic evolution, indicating that the loading state does not affect the underlying mechanisms. Analysis of strain bursts in nano-indentation shows that pinning of dislocations by Cu solutes is unaffected by the precipitation state. Based on uniaxial creep and time-dependent anelasticity measurements in pure Al specimens, it is made plausible that the time-dependent anelasticity originates from diffusion-limited glide or climb of dislocation segments that are pinned at Cu solutes or in dislocation structures, which provide an internal driving force.