Unit cell volumes of the silicon- and germanium-containing solid solutions based on the 3d bcc transition metals
-
M. Ellner
and
I. Park
Abstract
The unit cell parameters and the unit cell volumes were investigated for Si- and Ge-containing solid solutions based on the 3d body-centred cubic transition metals. Excepting the high-temperature solid solution δ-Mn(Si), the solubility of Si increases with increasing number of 3d electrons. In contradiction to the large atomic volume of Si, which is substantially larger than that of the 3d transition metals, the unit cell volume of the terminal solid solutions decreases with increasing Si content. For solid solutions showing a large homogeneity range – α-Fe(Si) and α-Fe(Ge) –, the partial atomic volumes of Si and Ge were evaluated. Comparing the quasihomological Al- and Si-containing solid solutions α-Fe(Al) and α-Fe(Si), the higher bond energy occurs between atoms of Si and Fe than between Al and Fe atoms. Taking into consideration the homology of metalloids in the solid solutions α-Fe(Si) and α-Fe(Ge), the higher bond energy can also be expected between Si and Fe than between Ge and Fe atoms.
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© 2002 Carl Hanser Verlag, München
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- Notifications/Mitteilungen
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- DGM Training/DGM Fortbildung
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Articles in the same Issue
- Frontmatter
- Aufsätze/Articles
- Dilatometric study of the effect of soluble boron on the continuous and isothermal austenite decomposition in 0.15C–1.6Mn steel
- Use of duplex microstructures in steel for estimation of plastic deformation in high-speed machining chips
- Stability of strengthened niobium alloys in long-term high-temperature loading conditions
- Effect of rare-earth metals on the hot strength of HSLA steels
- Wear behaviour of Ni–Cr–Mo–V steel under dry sliding
- Thermodynamic calculation of the phase diagram of the Co–Nb–Ta system
- Peritectic equilibrium in Fe-Co alloys
- A thermodynamic description of the B–Co system: modeling and experiment
- Thermodynamic interpretation of thermoelectric phenomena
- Unit cell volumes of the silicon- and germanium-containing solid solutions based on the 3d bcc transition metals
- Artificial silicide barrier coatings in titanium matrix composites
- Notifications/Mitteilungen
- Personal/Personelles
- DGM Training/DGM Fortbildung
- Conferences/Konferenzen
