Synthesis of metal matrix composites containing fly ash, graphite, glass, ceramics or other metals
Patent
·
OSTI ID:7369183
A method is described for casting a metal matrix composite wherein one or more reinforcing particles selected from the group comprising graphite, fly-ash, oil-ash, and hollow microspheres are added to a matrix metal, said method comprising the steps of; (a) heating the metal matrix to provide a melt, (b) stirring the melt using an impeller, (c) adding the reinforcing particles to the melt, (d) pouring the metal matrix-particulate melt into a mold while continually stirring the melt, whereby the impeller is rotated at a speed of at least 1,000 rpm so as to ensure an even distribution of the less dense reinforcing particles throughout the denser metal matrix.
- Assignee:
- IMS; EDB-93-106550
- Patent Number(s):
- A; US 5228494
- Application Number:
- PPN: US 7-876360
- OSTI ID:
- 7369183
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
01 COAL, LIGNITE, AND PEAT
010800 -- Coal
Lignite
& Peat-- Waste Management
02 PETROLEUM
020800 -- Petroleum-- Waste Management
36 MATERIALS SCIENCE
360601* -- Other Materials-- Preparation & Manufacture
AEROSOL WASTES
ASHES
CARBON
CASTING
CERAMICS
COMBUSTION PRODUCTS
COMPOSITE MATERIALS
ELEMENTAL MINERALS
ELEMENTS
FABRICATION
FLY ASH
GRAPHITE
HEATING
MATERIALS
MATRIX MATERIALS
METALS
MICROSPHERES
MINERALS
MIXING
MOLDING
NONMETALS
PETROLEUM PRODUCTS
REINFORCED MATERIALS
RESIDUES
WASTE PRODUCT UTILIZATION
WASTES
010800 -- Coal
Lignite
& Peat-- Waste Management
02 PETROLEUM
020800 -- Petroleum-- Waste Management
36 MATERIALS SCIENCE
360601* -- Other Materials-- Preparation & Manufacture
AEROSOL WASTES
ASHES
CARBON
CASTING
CERAMICS
COMBUSTION PRODUCTS
COMPOSITE MATERIALS
ELEMENTAL MINERALS
ELEMENTS
FABRICATION
FLY ASH
GRAPHITE
HEATING
MATERIALS
MATRIX MATERIALS
METALS
MICROSPHERES
MINERALS
MIXING
MOLDING
NONMETALS
PETROLEUM PRODUCTS
REINFORCED MATERIALS
RESIDUES
WASTE PRODUCT UTILIZATION
WASTES