IMPROVEMENTS IN OR RELATING TO MOULDS FOR HOT PRESSING POWDERED MATERIALS
Patent
·
OSTI ID:4840103
Descriptions are given of a molding process and graphite molds for hot pressing powdered refractory material (beryllium oxides) into dense tubes. The core consists of a hollow graphite shell of thickness such that it will withstand the hot pressing operation (1400 to 1800 deg C), but crushes (subsides) under the contractional load on cooling. Graphite core sizes are given for beryllium oxide tubes of length 1 to 1 1/2 inches and 1/3 to 1 inch ID. (N.W.R.)
- Research Organization:
- Originating Research Org. not identified
- NSA Number:
- NSA-15-031161
- OSTI ID:
- 4840103
- Report Number(s):
- GB 878088
- Country of Publication:
- United Kingdom
- Language:
- English
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