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Naji, M. |
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Motta, Antonella |
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Aletan, Dirar |
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Mohamed, Tarek |
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Ertürk, Emre |
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Taccardi, Nicola |
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Kononenko, Denys |
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Petrov, R. H. | Madrid |
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Alshaaer, Mazen | Brussels |
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Bih, L. |
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Casati, R. |
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Muller, Hermance |
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Kočí, Jan | Prague |
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Šuljagić, Marija |
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Kalteremidou, Kalliopi-Artemi | Brussels |
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Azam, Siraj |
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Ospanova, Alyiya |
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Blanpain, Bart |
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Ali, M. A. |
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Popa, V. |
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Rančić, M. |
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Ollier, Nadège |
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Azevedo, Nuno Monteiro |
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Landes, Michael |
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Rignanese, Gian-Marco |
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Liu, W.
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (34/34 displayed)
- 2024Challenges in characterizing additively manufactured AlSi10Mg using X-ray Laue micro-beam diffractioncitations
- 2020Free-Standing Graphene Oxide and Carbon Nanotube Hybrid Papers with Enhanced Electrical and Mechanical Performance and Their Synergy in Polymer Laminatescitations
- 2019Dual-Function Electron-Conductive, Hole-Blocking Titanium Nitride Contacts for Efficient Silicon Solar Cellscitations
- 2018Plasticity and failure behavior modeling of high-strength steels under various strain rates and temperatures: Microstructure to componentscitations
- 20173D lattice distortions and defect structures in ion-implanted nano-crystals
- 2017Synchrotron measurements of local microstructure and residual strains in ductile cast ironcitations
- 2017Integrated material modelling on the crashworthiness for automotive high-strength steel sheets
- 2016Coherent X-ray measurements of ion-implantation-induced lattice strains in nano-crystals
- 2016Three-dimensional local residual stress and orientation gradients near graphite nodules in ductile cast ironcitations
- 2016Homogeneity and elemental distribution in self-assembled bimetallic Pd–Pt aerogels prepared by a spontaneous one-step gelation processcitations
- 2016Synthesis, Application, and Carbonation Behavior of Ca 2 Fe 2 O 5 for Chemical Looping H 2 Production
- 2016Development and performance of iron based oxygen carriers containing calcium ferrites for chemical looping combustion and production of hydrogen
- 2015Measurements of stress fields near a grain boundarycitations
- 2015Characterisation of electrodeposited polycrystalline uranium dioxide thin films on nickel foil for industrial applicationscitations
- 2014Chain-growth polycondensation of perylene diimide-based copolymers
- 2014Chain-growth polycondensation of perylene diimide-based copolymers: a new route to regio-regular perylene diimide-based acceptors for all-polymer solar cells and n-type transistorscitations
- 2014Long-term aging of a CeO2 based nanocomposite used for wood protectioncitations
- 2014NDCX-II target experiments and simulationscitations
- 2013Optimized fiber steering and layer stacking for elastically tailored, damage tolerant laminates
- 2010Non-vacuum methods for formation of Cu(In, Ga)(Se, S) 2 thin film photovoltaic absorberscitations
- 2010Optical and microstructural properties versus indium content in InxGa1-xN films grown by metal organic chemical vapor deposition
- 2010Surface finishing: Impact on tribological characteristics of WC-Co hardmetalscitations
- 2009EDM machinability and dry sliding friction of WC-Co cemented carbidescitations
- 2009EDM machinability and frictional behavior of ZrO2-WC compositescitations
- 20093,5-dianilino substituted difluoroboron dipyrromethene: Synthesis, spectroscopy, photophysics, crystal structure, electrochemistry, and quantum-chemical calculationscitations
- 2009Influence of secondary phases on the tribological response of electro-discharge machined zirconia-based composites against WC-Co cemented carbidecitations
- 2009Reciprocating sliding friction and wear behavior of electrical discharge machined zirconia-based composites against WC-Co cemented carbide
- 2009Reciprocating sliding friction and wear behavior of electrical discharge machined zirconia-based composites against WC-Co cemented carbidecitations
- 2008Sliding wear of electrically conductive ZrO(2)-WC composites against WC-Co cemented carbidecitations
- 2008Reciprocative sliding wear of ZrO(2)-TiCN composites against WC-Co cemented carbidecitations
- 2008Influence of surface finishing on tribological behavior of ZrO2 based composites against WC-Co cemented carbides
- 2008Influence of electrical discharge machining on tribological behavior of ZrO(2)-TiN compositescitations
- 2008Reciprocating sliding friction and wear behavior of zirconia based ceramic composites against WC-Co cemented carbide
- 2008Influence of secondary electro-conductive phases on the electrical discharge machinability and frictional behavior of ZrO2-based ceramic compositescitations
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article
Measurements of stress fields near a grain boundary
Abstract
<p>The interaction between dislocation pile-ups and grain boundaries gives rise to heterogeneous stress distributions when a structural metal is subjected to mechanical loading. Such stress heterogeneity leads to preferential sites for damage nucleation and therefore is intrinsically linked to the strength and ductility of polycrystalline metals. To date the majority of conclusions have been drawn from 2D experimental investigations at the sample surface, allowing only incomplete observations. Our purpose here is to significantly advance the understanding of such problems by providing quantitative measurements of the effects of dislocation pile up and grain boundary interactions in 3D. This is accomplished through the application of differential aperture X-ray Laue micro-diffraction (DAXM) and high angular resolution electron backscatter diffraction (HR-EBSD) techniques. Our analysis demonstrates a similar strain characterization capability between DAXM and HR-EBSD and the variation of stress intensity in 3D reveals that different parts of the same grain boundary may have different strengths in resisting slip transfer, likely due to the local grain boundary curvature.</p>