Non-precious ceramic alloy

Details Non-precious ceramic alloy Non-precious ceramic alloy

1978-10-11

1981-02-10

Dean, R.

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

433200, 433207, C22C 1905

Patent

active

042499437

ABSTRACT:
An alloy composition for dental use containing, by weight, aluminum 0-3.0%, cobalt 0-20.0%, chromium 10.0-20.0%, manganese 0-1.5%, molybdenum 6.0-18.0%, nickel 58.5-77.0% and silicon 0-2.0%. The alloy retains the corrosion resistance properties found in nickel-chromium base alloys while having reduced yield strength typical of gold alloys thereby resulting in greater ease of grinding, polishing and manipulation. The alloy finds use as a porcelain substrate alloy and also as a crown and bridge or partial denture alloy.

REFERENCES:
patent: 3510294 (1970-05-01), Bieber et al.
patent: 3859060 (1975-01-01), Eiselstein et al.
patent: 3969111 (1976-07-01), Acuncius et al.
patent: 4080201 (1978-03-01), Hodge et al.

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