Powder treatment process
Disclosed are: (1) a process comprising spray drying a powder-containing slurry, the slurry containing a powder constituent susceptible of oxidizing under the temperature conditions of the spray drying, while reducing the tendency for oxidation of the constituent by including as a liquid constituent of the slurry an organic liquid; (2) a process comprising spray drying a powder-containing slurry, the powder having been pretreated to reduce content of a powder constituent susceptible of oxidizing under the temperature conditions of the spray drying, the pretreating comprising heating the powder to react the constituent; and (3) a process comprising reacting ceramic powder, grinding the reacted powder, slurrying the ground powder, spray drying the slurried powder, and blending the dried powder with metal powder. 2 figs.
- DOE Contract Number:
- FC07-80CS40158
- Assignee:
- Aluminum Co. of America, Pittsburgh, PA (United States)
- Patent Number(s):
- A; US 4724121
- Application Number:
- PPN: US 6-727377
- OSTI ID:
- 7073230
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
360101* -- Metals & Alloys-- Preparation & Fabrication
360201 -- Ceramics
Cermets
& Refractories-- Preparation & Fabrication
360601 -- Other Materials-- Preparation & Manufacture
CERAMICS
CHEMICAL REACTIONS
COMMINUTION
DISPERSIONS
DRYING
ELEMENTS
FABRICATION
GRINDING
HEAT TREATMENTS
MACHINING
METALS
MIXTURES
ORGANIC COMPOUNDS
OXIDATION
POWDERS
SLURRIES
SPRAY DRYING
SUSPENSIONS