High tungsten, silicon-aluminum dental alloy

Details High tungsten, silicon-aluminum dental alloy High tungsten, silicon-aluminum dental alloy

1998-01-27

2000-08-15

Speer, Timothy M.

Stock material or miscellaneous articles

Composite

Of quartz or glass

428457, 428469, 428472, 420428, 420442, 420443, 420445, 4332001, 433207, B32B 1700

Patent

active

061033839

ABSTRACT:
A new nickel-chromium alloy having high rigidity, castability, corrosion and oxidation resistance and easy workability is disclosed. The alloy comprises from about 45 to 81% nickel by weight, from about 13 to 25% chromium by weight, from about 3 to 15% tungsten by weight, and silicon and aluminum in the range from about 1 to about 6% by weight each. The new alloy has a high concentration of tungsten.

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