Current work at the Stuttgart UHV diffusion bonding facility
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Wolfgang Kurtz
Abstract
The Stuttgart ultra-high-vacuum (UHV) diffusion bonding facility serves to produce high-quality solid solid model interfaces. An overview is given on the more recent work comprising bicrystals of metal – metal, ceramics– ceramics, and metal – ceramics combinations. Orientation errors below 0.1° have been obtained routinely with sapphire – sapphire bicrystals. The bi- and tricrystals produced serve as samples for mechanical testing and as specimens for both analytical and quantitative high-resolution electron microscopy. The close control of the interface chemistry allows for segregation studies and studies of the influence dopants have on the interface properties. UHV diffusion-bonded low-angle grain boundaries present arrays of edge or screw dislocations of just one type and thus facilitate investigations of these dislocations and their core structures.
Abstract
Die Stuttgarter Diffusionsverschweißanlage dient der Herstellung hochwertiger Modellgrenzflächen in Festkörpern. Neuere Arbeiten an Metall – Metall-, Keramik –Keramik-, und Metall–Keramik-Verbunden werden vorgestellt. Orientierungsfehler kleiner als 0.1° werden für Saphir – Saphir Zweikristalle regelmäßig erreicht. Die hergestellten Zwei-und Dreikristalle dienen als Proben sowohl in Verformungsversuchen als auch für die analytische Elektronenmikroskopie oder quantitative Hochauflösungsmikroskopie. Die Beherrschung der Grenzflächenchemie ermöglicht Untersuchungen des Segregationsverhaltens und des Einflusses, den Fremdatome auf die Grenzflächeneigenschaften haben. UHV-diffusionsverschweißte Kleinwinkelkorngrenzen sind regelmäßige Anordnungen von entweder Stufen- oder Schraubenversetzungen und erleichtern so die Untersuchung solcher Versetzungen und deren Kernstrukturen.
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It is my pleasure to thank M. Rühle for the friendly reception in his department.
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© 2002 Carl Hanser Verlag, München
Artikel in diesem Heft
- Frontmatter
- Editorial
- Editorial
- Max-Planck-Institut für Metallforschung
- Articles/Aufsätze
- Towards a micromechanical understanding of biological surface devices
- Solid state phase transformation kinetics: a modular transformation model
- Electronic structure investigations of Ni and Cr films on (100)SrTiO3 substrates using electron energy-loss spectroscopy
- Surface magnetization reversal of sputtered CrO2
- Magnetic imaging with full-field soft X-ray microscopy
- Dislocation dynamics in sub-micron confinement: recent progress in Cu thin film plasticity
- Fatigue behavior of polycrystalline thin copper films
- Grain growth in magnetron-sputtered nickel films
- Thin Pd films on SrTiO3 (001) substrates: ab initio local-density-functional theory
- Coupled grain boundary and surface diffusion in a polycrystalline thin film constrained by substrate
- Gallium segregation at grain boundaries in aluminium
- Current work at the Stuttgart UHV diffusion bonding facility
- Bonding between Cu and α-Al2O3
- Compressive deformation of niobium sandwich-bonded to alumina
- SiO2-coated carbon nanotubes: theory and experiment
- Simulation of solidification structures of binary alloys
- Gaseous nitriding of iron-chromium alloys
- Deposition of ceramic materials from aqueous solution induced by organic templates
- Notifications/Mitteilungen
- Personen
- Books
- Information
- DGM Further Training
Artikel in diesem Heft
- Frontmatter
- Editorial
- Editorial
- Max-Planck-Institut für Metallforschung
- Articles/Aufsätze
- Towards a micromechanical understanding of biological surface devices
- Solid state phase transformation kinetics: a modular transformation model
- Electronic structure investigations of Ni and Cr films on (100)SrTiO3 substrates using electron energy-loss spectroscopy
- Surface magnetization reversal of sputtered CrO2
- Magnetic imaging with full-field soft X-ray microscopy
- Dislocation dynamics in sub-micron confinement: recent progress in Cu thin film plasticity
- Fatigue behavior of polycrystalline thin copper films
- Grain growth in magnetron-sputtered nickel films
- Thin Pd films on SrTiO3 (001) substrates: ab initio local-density-functional theory
- Coupled grain boundary and surface diffusion in a polycrystalline thin film constrained by substrate
- Gallium segregation at grain boundaries in aluminium
- Current work at the Stuttgart UHV diffusion bonding facility
- Bonding between Cu and α-Al2O3
- Compressive deformation of niobium sandwich-bonded to alumina
- SiO2-coated carbon nanotubes: theory and experiment
- Simulation of solidification structures of binary alloys
- Gaseous nitriding of iron-chromium alloys
- Deposition of ceramic materials from aqueous solution induced by organic templates
- Notifications/Mitteilungen
- Personen
- Books
- Information
- DGM Further Training
