Fe-Cr-Al type implant alloy composite for medical treatment

Details Fe-Cr-Al type implant alloy composite for medical treatment Fe-Cr-Al type implant alloy composite for medical treatment

1985-06-05

1987-05-26

Andrews, Melvyn J.

Stock material or miscellaneous articles

Composite

Of metal

148 6, B32B 1504

Patent

active

046685855

ABSTRACT:
An Fe-Cr-Al type implant alloy for medical treatment wherein the alloy consists essentially of, by weight, 20-32 % chromium, 0.5-5.0% aluminum, 0.5-4.0% molybdenum, 0.05-0.5% M (wherein M represents at least one kind selected from zirconium and hafnium), and the remainder being substantially iron, wherein the alloy includes an oxide film on the surface, the film being composed substantially of .alpha.-Al.sub.2 O.sub.3, and a method of making the alloy implant.

REFERENCES:
patent: 3660173 (1972-05-01), Matsuno et al.
patent: 3754898 (1973-08-01), McGurty
patent: 3852063 (1974-12-01), Nimi et al.
patent: 4086085 (1978-04-01), McGurty
patent: 4204862 (1980-05-01), Kado et al.

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