| 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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Müller, Ralf
Clausthal University of Technology
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (47/47 displayed)
- 2024Topology optimization for precipitation hardening in ferroelectric material
- 2024Viscous crack healing in soda–lime–magnesium–silicate–ZrO 2 glass matrix compositescitations
- 2024Sintering and crystallization kinetics of bioactive glass 13-93citations
- 2024Optical Real-Time Castability Evaluation for High-Throughput Glass Melting
- 2023Viscous Sintering of Acid Leached Glass Powderscitations
- 2023Viscous Sintering of Acid Leached Glass Powders
- 2023Viscous healing of Vickers indentation–induced cracks in glasscitations
- 2023Surface Crystallization of Barium Fresnoite Glass: Annealing Atmosphere, Crystal Morphology and Orientationcitations
- 2023Surface Crystallization of Barium Fresnoite Glass: Annealing Atmosphere, Crystal Morphology and Orientationcitations
- 2023Silicate glass fracture surface energy calculated from crystal structure and bond-energy datacitations
- 2023Surface crystallization of barium fresnoite glass : annealing atmosphere, crystal morphology and orientationcitations
- 2023On dynamic crack propagation in a lattice Boltzmann method for elastodynamics in 2Dcitations
- 2023Factors influencing the dynamic stiffness in short‐fiber reinforced polymers
- 2022Alkali and alkaline earth zinc and lead borate glasses: Sintering and crystallizationcitations
- 2022An efficient implementation of a phase field model for fatigue crack growthcitations
- 2022Multi-scale fatigue model to predict stiffness degradation in short-fiber reinforced composites
- 2022Mixed isogeometric collocation for geometrically exact 3D beams with elasto-visco-plastic material behavior and softening effects
- 2022Accounting for viscoelastic effects in a multiscale fatigue model for the degradation of the dynamic stiffness of short-fiber reinforced thermoplastics
- 2022Silver dissolution and precipitation in an Na2O–ZnO–B2O3 metallization paste glasscitations
- 2021Constitutive modelling of the deformation-induced martensite transformation observed in metastable austenitic CrNi steels
- 2021Sample preparation for analytical scanning electron microscopy using initial notch sectioningcitations
- 2021Phase field modeling of fatigue crack initiation and growth under various loading situations
- 2021A multiscale high-cycle fatigue-damage model for the stiffness degradation of fiber-reinforced materials based on a mixed variational framework
- 2021Foaming Species and Trapping Mechanisms in Barium Silicate Glass Sealants
- 2021Foaming Species and Trapping Mechanisms in Barium Silicate Glass Sealantscitations
- 2021Crack growth in borate and silicate glasses: Stress-corrosion susceptibility and hydrolytic resistancecitations
- 2021Vacuum crack growth in alkali silicate glassescitations
- 2021A computational multi-scale model for the stiffness degradation of short-fiber reinforced plastics subjected to fatigue loadingcitations
- 2020Water in Alkali Aluminosilicate Glassescitations
- 2020Phase field simulation of fatigue crack propagation under complex load situationscitations
- 2020Crack Growth in Hydrous Soda-Lime Silicate Glasscitations
- 2020Automated analysis of slow crack growth in hydrous soda-lime silicate glassescitations
- 2019The influence of H2O and SiO2 on the structure of silicoborate glassescitations
- 2019Nanoindentation into a metastable austenite triggers the martensitic phase transformation— An atomistic study
- 2019Hydrogen diffusivity in sodium aluminosilicate glassescitations
- 2019Surface crystallization and gas bubble formation during conventional heat treatment in Na2MnP2O7 glasscitations
- 2019Subcritical crack growth in hydrous soda-lime silicate glass
- 2019Density, elastic constants and indentation hardness of hydrous soda-lime silica glassescitations
- 2019Sintering and concomitant crystallization of bioactive glassescitations
- 2018Structural relaxation mechanisms in hydrous sodium borosilicate glassescitations
- 2018Updated definition of glass-ceramicscitations
- 2016Hydrogen permeability of glass measured by VHE-MS powder methods
- 2016High-temperature laser profilometry
- 2016Manufacturing technology of integrated textile-based sensor networks for in situ monitoring applications of composite wind turbine bladescitations
- 2016Sintering and foaming of barium silicate glass powder compactscitations
- 2016Water, the other network modifier in borate glassescitations
- 2011Thermo Analytic Investigation of Hydrogen Effusion Behavior - Sensor Evaluation and Calibrationcitations
Places of action
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article
Surface Crystallization of Barium Fresnoite Glass: Annealing Atmosphere, Crystal Morphology and Orientation
Abstract
<jats:p>Controlled oriented crystallization of glass surfaces is desired for high precision applications, since the uppermost crystal layer significantly influences the properties of the material. In contrast to previous studies, the data presented here deal with separated crystals growing at defect-free surfaces in four atmospheres with different degrees of humidity (ambient/dry air, argon and vacuum). A glass with the composition 2 BaO–TiO2–2.75 SiO2 was heat-treated at 825 °C until fresnoite (Ba2TiSi2O8) grew to a significant size. The crystal growth rate is found to increase with increasing humidity. The morphology of the crystals changes from highly distorted dendrites in the driest atmosphere (vacuum) to circular/spear-head-shaped crystals in the wettest atmosphere (ambient air), which we attribute to a decrease in viscosity of the glass surface due to water uptake. The least distorted crystals appear in the form of depressions of up to 6 µm. This has an influence on the observed crystal orientation, as measured by electron backscatter diffraction (EBSD). The pulled-in crystals change the orientation during growth relative to the flat glass surface due to an enrichment in SiO2 at the crystal fronts. This confirms that the orientation of crystals is not fixed following nucleation.</jats:p>