TUNGSTEN BASE ALLOYS
Patent
·
OSTI ID:4195240
A high-density quaternary tungsten-base alloy having high mechanical strength and good machinability composed of about 2 wt.% Ni, 3 wt.% Cu, 5 wt.% Pb, and 90wt.% W is described. This alloy can be formed by the powder metallurgy technique of hot pressing in a graphite die without causing a reaction between charge and the die and without formation of a carbide case on the final compact, thereby enabling re-use of the graphite die. The alloy is formable at hot- pressing temperatures of from about 1200 to about 1350 deg C. In addition, there is little component shrinkage, thereby eliminating the necessity of subsequent extensive surface machining.
- Research Organization:
- Originating Research Org. not identified
- NSA Number:
- NSA-14-007832
- Assignee:
- U.S. Atomic Energy Commission
- Patent Number(s):
- US 2916809
- OSTI ID:
- 4195240
- Resource Relation:
- Other Information: Orig. Receipt Date: 31-DEC-60
- Country of Publication:
- United States
- Language:
- English
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OSTI ID:4195240