Silicon aluminum alloy of prealloyed powder and method of manufacture
AssigneeCrucible Materials Corporation
InventorsBrian J. McTiernan, Michael W. Peretti, Jocelyne O. McGeever
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Abstract
A silicon base binary alloy of prealloyed powder having less than 10% aluminum, excluding zero. The alloy may be in the form of gas atomized prealloyed powder, which powder may be consolidated to form an article. Preferably, the article is a sputtering target.
Claims8
A binary alloy of gas atomized prealloyed powder consisting essentially of, in weight percent, less than 10 Al, excluding zero, and balance Si, said alloy being characterized by a uniform microstructure substantially free of unalloyed Si and Al.
A binary alloy of gas atomized prealloyed powder consisting essentially of, in weight percent, 6 maximum Al, excluding zero, and balance Si, said alloy being characterized by a uniform microstructure substantially free of unalloyed Si and Al.
A binary alloy of gas atomized prealloyed powder consisting essentially of, in weight percent, about 6 Al and balance Si, said alloy being characterized by a uniform microstructure substantially free of unalloyed Si and Al.
A method for producing a binary alloy consisting essentially of, in weight percent, less than 10 Al, excluding zero, and balance Si, said method comprising:
- producing a heat of said alloy;
- gas atomizing said heat to produce prealloyed powder particles of said alloy;
- wherein said alloy of said gas atomized powder particles is characterized by a uniform microstructure substantially free of unalloyed Si and Al.
Dependencies are inferred from the claim text.