Process for production of porous ceramic article

Details Process for production of porous ceramic article Process for production of porous ceramic article

1989-08-21

1991-07-09

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

Of inorganic materials

264 60, B29C 6500

Patent

active

050303961

ABSTRACT:
A process for the production of a ceramic shaped implant having a porous layer with interconnected spherical pores on the surface thereof includes the steps of disposing a porous element having a three dimensionally connected structure made of a heat decomposable material, in which structure, adjacent units share connecting portions and voids, in contact with or adjacent to a ceramic substrate, and filling a space between the ceramic substrate and the porous element and the voids of the porous element with a slurry comprising ceramic powder made from the same material as the ceramic substrate, and then heating to sinter the porous material and the ceramic substrate together.

REFERENCES:
patent: 3090094 (1963-05-01), Schwartzwalder et al.
patent: 4034506 (1977-07-01), Kasahara et al.
patent: 4158684 (1979-06-01), Klawitter et al.
patent: 4179485 (1979-12-01), Tritten
patent: 4437191 (1984-03-01), vander Zel et al.
patent: 4697632 (1987-10-01), Lirones
patent: 4803025 (1989-02-01), Brockmeyer

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