Directional Solidification of AlZn Eutectic in Microgravity Conditions
✍ Scribed by M. Pražák; Dr. S. Holeček
- Publisher
- John Wiley and Sons
- Year
- 1995
- Tongue
- English
- Weight
- 464 KB
- Volume
- 30
- Category
- Article
- ISSN
- 0232-1300
No coin nor oath required. For personal study only.
✦ Synopsis
From the conditions of growthfurnace rate 0.1 mm/min, axial temperature gradient in the melt approx. 5 K/cmthe study of the microstructure and the measurements of interlamellar spacing, lamellae thickness ai, hardness HK and the anisotropy of linear thermal expansion it follows, that the microstructure of the specimens prepared in outer space shows an overall lower degree of directionality compared with specimens prepared in analogous terrestrial conditions.
📜 SIMILAR VOLUMES
Eutectic gallium-indium is studied in a horizontal Bridgman furnace geometry. Differential temperature gradients are applied to solidify and melt the alloy while observing in-situ the interface morphology and the chemical segregation in the melt and in the solid as well. Upon cooling, a wedge-type i
The Jackson-Hunt model of eutectic growth at small undercoolings is extended to large undercooling values which are commonly encountered under rapid solidification conditions. The parameters, 1'V and E.AT, are found to deviate from constant values at high velocities, and these deviations depend upon