Method of fabricating thin-walled articles of tungsten-nickel-iron alloy
Patent
·
OSTI ID:5316883
The present invention relates to a method for fabricating thin-walled high-density structures of tungsten-nickel-iron alloys. A powdered blend of the selected alloy constituents is plasma sprayed onto a mandrel having the desired article configuration. The sprayed deposit is removed from the mandrel and subjected to liquid phase sintering to provide the alloyed structure. The formation of the thin-walled structure by plasma spraying significantly reduces shrinkage, and cracking while increasing physical properties of the structure over that obtainable by employing previously known powder metallurgical procedures.
- DOE Contract Number:
- W-7405-ENG-26
- Assignee:
- TIC; ERA-05-029278; EDB-80-083977
- Patent Number(s):
- None
- OSTI ID:
- 5316883
- Country of Publication:
- United States
- Language:
- English
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