Abstract
The spreading of liquid Ag and Ag–Mo alloys on molybdenum substrates has been studied, using a drop-transfer setup. Even though initial spreading velocities as fast as ≈ 1 m/s have been recorded in some experiments, a large variation in the spreading dynamics has been observed, and there is no unique relationship between the contact angle and the spreading velocity. This can be attributed to the formation of ridges at the triple junction, the movement of which controls spreading. The fastest spreading rates are consistent with results reported for low-temperature liquids; these can be described, using a molecular-kinetic model. Spreading kinetics and final contact angles were similar for pure Ag and Ag–Mo liquids.
Funding statement: This work was supported by the Director, Office of Science, Office of Basic Energy Sciences, Division of Materials Sciences and Engineering, of the U. S. Department of Energy under Contract No. DE-AC03-76SF00098. Partial support by NEDO International Joint Research Grant supervised by the Ministry of Economy, Trade and Industry of Japan.
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© 2003 Carl Hanser Verlag, München
Articles in the same Issue
- Frontmatter
- Editorial
- Editorial
- Articles/Aufsätze
- The role of oxidation-induced cavities on the failure of the thermally grown oxide on binary β-NiAl alloys
- Phase stability of Y + Gd co-doped zirconia
- Mechanisms governing the distortion of alumina-forming alloys upon cyclic oxidation
- High-temperature oxidation of FeCrAl alloys: the effect of Mg incorporation into the alumina scale
- Nonlinear dielectric properties at oxide grain boundaries
- TEM observations of singular grain boundaries and their roughening transition in TiO2-excess BaTiO3
- Processing of dense MgO substrates for high-temperature superconductors
- Microwave-induced crystallization of polysilazane-derived silicon carbonitride
- Schottky barrier formation in liquid-phase-sintered silicon carbide
- SrTiO3: a model electroceramic
- Optical properties and electronic structure of oxidized and reduced single-crystal strontium titanate
- Spreading of liquid Ag and Ag–Mo alloys on molybdenum substrates
- Nanoalloying in mixed AgmAun nanowires
- Never ending saga of a simple boundary
- Comparison of interfacial chemistry at Cu/α-alumina and Cu/γ-alumina interfaces
- Microstructure of Cu2O/Si interfaces, made by epitaxial electrodeposition
- Metal/oxide interfaces and their reaction with hydrogen
- Amorphous films at metal/ceramic interfaces
- Some thoughts on source monochromation and the implications for electron energy loss spectroscopy
- Determination of the contrast transfer function by analysing diffractograms of thin amorphous foils
- Progress in the preparation of cross-sectional TEM specimens by ion-beam thinning
- Quantification of interfacial segregation by analytical electron microscopy
- Quantification of elemental segregation to lath and grain boundaries in low-alloy steel by STEM X-ray mapping combined with the ζ-factor method
- Microstructure of Al/Ti metallization layers
- Connectivity of CSL grain boundaries and the role of deviations from exact coincidence
- Effect of laser shock processing on the microstructure and mechanical properties of pure Cu
- Growth and microstructure of iron nitride layers and pore formation in ε-Fe3N
- Phase diagram of the Al–Cu–Fe quasicrystal-forming alloy system
- Notifications/Mitteilungen
- Personal/Personelles
- Gesellschaftsnachricht
- International Conferences
Articles in the same Issue
- Frontmatter
- Editorial
- Editorial
- Articles/Aufsätze
- The role of oxidation-induced cavities on the failure of the thermally grown oxide on binary β-NiAl alloys
- Phase stability of Y + Gd co-doped zirconia
- Mechanisms governing the distortion of alumina-forming alloys upon cyclic oxidation
- High-temperature oxidation of FeCrAl alloys: the effect of Mg incorporation into the alumina scale
- Nonlinear dielectric properties at oxide grain boundaries
- TEM observations of singular grain boundaries and their roughening transition in TiO2-excess BaTiO3
- Processing of dense MgO substrates for high-temperature superconductors
- Microwave-induced crystallization of polysilazane-derived silicon carbonitride
- Schottky barrier formation in liquid-phase-sintered silicon carbide
- SrTiO3: a model electroceramic
- Optical properties and electronic structure of oxidized and reduced single-crystal strontium titanate
- Spreading of liquid Ag and Ag–Mo alloys on molybdenum substrates
- Nanoalloying in mixed AgmAun nanowires
- Never ending saga of a simple boundary
- Comparison of interfacial chemistry at Cu/α-alumina and Cu/γ-alumina interfaces
- Microstructure of Cu2O/Si interfaces, made by epitaxial electrodeposition
- Metal/oxide interfaces and their reaction with hydrogen
- Amorphous films at metal/ceramic interfaces
- Some thoughts on source monochromation and the implications for electron energy loss spectroscopy
- Determination of the contrast transfer function by analysing diffractograms of thin amorphous foils
- Progress in the preparation of cross-sectional TEM specimens by ion-beam thinning
- Quantification of interfacial segregation by analytical electron microscopy
- Quantification of elemental segregation to lath and grain boundaries in low-alloy steel by STEM X-ray mapping combined with the ζ-factor method
- Microstructure of Al/Ti metallization layers
- Connectivity of CSL grain boundaries and the role of deviations from exact coincidence
- Effect of laser shock processing on the microstructure and mechanical properties of pure Cu
- Growth and microstructure of iron nitride layers and pore formation in ε-Fe3N
- Phase diagram of the Al–Cu–Fe quasicrystal-forming alloy system
- Notifications/Mitteilungen
- Personal/Personelles
- Gesellschaftsnachricht
- International Conferences