C - Chemistry – Metallurgy – 22 – C
Patent
C - Chemistry, Metallurgy
22
C
75/7.1
C22C 30/00 (2006.01) A61K 6/04 (2006.01) C22C 5/02 (2006.01) C22C 5/04 (2006.01)
Patent
CA 1146380
CERAMIC SUBSTRATE ALLOY Abstract of the Disclosure An alloy composition enabling the amount of silver therein to be limited significantly or preferably eliminated altogether while maintaining the castability, strength properties and physical properties including melting range and coefficient of thermal expansion compatible with available porcelain products. The alloy composition contains, by weight, silver 0-11.0%, aluminum 0-1%, gold 31.8-63.16%, boron 0-0.13%, calclum 0-0.12%, copper 0-5.0%, iron 0-0.75%, gallium 0-5.0%, indium 0.5-10.55%, lithium 0-0.04%, nickel 0-2%, palladium 28.96-57.97%, rhenium 0-0.25%, ruthenium 0-1.8%, silicon 0-0.0125%, tin 0-7.5%, titanium 0-0.06%, vanadium 0-0.12% and zinc 0-1.98%.
335838
Agarwal Dwarika P.
Ingersoll Clyde E.
Macrae & Co.
Williams Gold Refining Company Incorporated
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