MELTING AND CASTING OF BERYLLIUM
Technical Report
·
OSTI ID:4266437
The technology of fabricating beryllium items by casting has been studied and developed in the USSR. The principle of combining vacuum melting and centrifugal casting of beryllium is described. The metal is induction melted. The vacuum is set up in the system by a bonster and four vacuum pumps. Heating is effected without stopping the pumping. Moisture and the gases adsorbed by the charge are removed during this period. The furnace is then filled with chemically pure argon. After the temperature of discharge is reached, the metal is poured into a mold through an opening in the bottom of the crucible without loss of vacuum. When centrifugal easting is employed, the rotation rate of the mold is calculated so that a casting with a minimum difference in the thickness of the walls is obtained. (auth)
- Research Organization:
- U.S.S.R.
- NSA Number:
- NSA-13-006823
- OSTI ID:
- 4266437
- Report Number(s):
- A/CONF.15/P/2048
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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