| People | Locations | Statistics |
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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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Djurabekova, Flyura Gatifovna
University of Helsinki
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (37/37 displayed)
- 2024Solubility of Hydrogen in a WMoTaNbV High-Entropy Alloycitations
- 2024Unveiling the radiation-induced defect production and damage evolution in tungsten using multi-energy Rutherford backscattering spectroscopy in channeling configurationcitations
- 2023Roadmap for focused ion beam technologiescitations
- 2022Biased self-diffusion on Cu surface due to electric field gradientscitations
- 2022Microscopy Investigation on Different Materials After Pulsed High Field Conditioning and Low Energy H-Irradiation
- 2022Simple machine-learned interatomic potentials for complex alloyscitations
- 2021Temperature effect on irradiation damage in equiatomic multi-component alloyscitations
- 2021Origin of increased helium density inside bubbles in Ni(1-x)Fex alloyscitations
- 2021Modeling refractory high-entropy alloys with efficient machine-learned interatomic potentialscitations
- 2021Machine-learning interatomic potential for W-Mo alloyscitations
- 2020Segregation of Ni at early stages of radiation damage in NiCoFeCr solid solution alloyscitations
- 2020Insights into the primary radiation damage of silicon by a machine learning interatomic potentialcitations
- 2020Application of artificial neural networks for rigid lattice kinetic Monte Carlo studies of Cu surface diffusioncitations
- 2020Tungsten migration energy barriers for surface diffusioncitations
- 2019Ab initio calculation of field emission from metal surfaces with atomic-scale defectscitations
- 2019Atomic-level heterogeneity and defect dynamics in concentrated solid-solution alloyscitations
- 2019Structural properties of protective diamond-like-carbon thin films grown on multilayer graphenecitations
- 2019Radiation stability of nanocrystalline single-phase multicomponent alloyscitations
- 2018Absence of single critical dose for the amorphization of quartz under ion irradiationcitations
- 2018Simulations of surface stress effects in nanoscale single crystalscitations
- 2018Migration barriers for surface diffusion on a rigid latticecitations
- 2018Au nanowire junction breakup through surface atom diffusioncitations
- 2017Probing electron beam effects with chemoresistive nanosensors during in situ environmental transmission electron microscopycitations
- 2017Local segregation versus irradiation effects in high-entropy alloyscitations
- 2017Thermal Oxidation of Size-Selected Pd Nanoparticles Supported on CuO Nanowirescitations
- 2016Atomistic modeling of metal surfaces under high electric fieldscitations
- 2016Ru/Al Multilayers Integrate Maximum Energy Density and Ductility for Reactive Materialscitations
- 2016Dependence of short and intermediate-range order on preparation in experimental and modeled pure a-Sicitations
- 2016Long-term stability of Cu surface nanotipscitations
- 2015The as-deposited structure of co-sputtered Cu-Ta alloys, studied by X-ray diffraction and molecular dynamics simulationscitations
- 2015Surface segregation in chromium-doped NiCr alloy nanoparticles and its effect on their magnetic behaviorcitations
- 2015Ion-solid interactions at the extremes of electronic energy losscitations
- 2015Modification of Pt/Co/Pt film properties by ion irradiationcitations
- 2014Effect of ion irradiation on structural properties of Cu64Zr36 metallic glasscitations
- 2013Radiation effects in nuclear materialscitations
- 2009Amorphization of Ge nanocrystals embedded in amorphous silica under ion irradiationcitations
- 2008Atomistic simulation of the interface structure of Si nanocrystals embedded in amorphous silicacitations
Places of action
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article
Ru/Al Multilayers Integrate Maximum Energy Density and Ductility for Reactive Materials
Abstract
Established and already commercialized energetic materials, such as those based on Ni/Al for joining, lack the adequate combination of high energy density and ductile reaction products. To join components, this combination is required for mechanically reliable bonds. In addition to the improvement of existing technologies, expansion into new fields of application can also be anticipated which triggers the search for improved materials. Here, we present a comprehensive characterization of the key parameters that enables us to classify the Ru/Al system as new reactive material among other energetic systems. We finally found that Ru/Al exhibits the unusual integration of high energy density and ductility. For example, we measured reaction front velocities up to 10.9 (+/- 0.33) ms(-1) and peak reaction temperatures of about 2000 degrees C indicating the elevated energy density. To our knowledge, such high temperatures have never been reported in experiments for metallic multilayers. In situ experiments show the synthesis of a single-phase B2-RuAl microstructure ensuring improved ductility. Molecular dynamics simulations corroborate the transformation behavior to RuAl. This study fundamentally characterizes a Ru/Al system and demonstrates its enhanced properties fulfilling the identification requirements of a novel nanoscaled energetic material. ; Peer reviewed