Process for attaching a porous layer to a substrate and using th

Details Process for attaching a porous layer to a substrate and using th Process for attaching a porous layer to a substrate and using th

1988-01-27

1989-07-11

Jordan, M.

Metal fusion bonding

Process

Plural joints

A61F 124

Patent

active

048463930

ABSTRACT:
A process for attaching a porous layer to a substrate adapted to form the core of a hip prosthesis, the substrate is placed in a cavity in a mould. Spherules are introduced into the space between the substrate and the walls of the cavity. The mould is placed in a furnace, which is heated to a temperature at which the material of which the substrate is made is superplastic. Then a pressure of the order of 10 to 30 MPa is applied to the mould, enabling the spherules to be encrusted on the substrate at a relatively low temperature.

REFERENCES:
patent: 4040159 (1977-08-01), Darrow et al.
patent: 4393987 (1983-07-01), Anderson et al.
patent: 4483478 (1984-11-01), Schulz
patent: 4570271 (1986-02-01), Sump
patent: 4608052 (1986-08-01), Van Kampen et al.
patent: 4636219 (1987-01-01), Pratt et al.
patent: 4660755 (1987-04-01), Farling et al.

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