Directional solidification of filamentary shapes of Pb--Cd and Pb--Sn eutectic alloys
Conference
·
OSTI ID:6318782
Eutectic alloys of Pb--Cd and Pb--Sn were directionally solidified as thin filamentary strips contained in stainless steel and quartz capillaries. As the solidification rate increased the filament width, w, had to be reduced to maintain complete alignment of the lamellae clear across the filament. It was determined that in order to achieve complete alignment the ratio of filament width to lamellar spacing, w/lambda had to be less than about 30. Experiments were carried out at rates of 2-400 ..mu..m/s and at temperature gradients of 130 and 320/sup 0/C/cm.
- Research Organization:
- Ames Lab., IA (USA)
- DOE Contract Number:
- W-7405-ENG-82
- OSTI ID:
- 6318782
- Report Number(s):
- IS-M-179; CONF-7811115-1
- Country of Publication:
- United States
- Language:
- English
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