Method for gas bubble and void control and removal from metals
Patent
·
OSTI ID:187056
A method is described for enhancing the diffusion of gas bubbles or voids attached to impurity precipitates, and biasing their direction of migration out of the host metal (or metal alloy) by applying a temperature gradient across the host metal (or metal alloy). In the preferred embodiment of the present invention, the impurity metal is insoluble in the host metal and has a melting point lower than the melting point of the host material. Also, preferably the impurity metal is lead or indium and the host metal is aluminum or a metal alloy. 2 figs.
- Research Organization:
- EG & G Idaho Inc
- DOE Contract Number:
- AC07-76ID01570
- Assignee:
- Lockheed Idaho Technologies Co., Idaho Falls, ID (United States)
- Patent Number(s):
- US 5,490,187/A/
- Application Number:
- PAN: 8-259,201
- OSTI ID:
- 187056
- Resource Relation:
- Other Information: PBD: 6 Feb 1996
- Country of Publication:
- United States
- Language:
- English
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