Porous metal bodies

Details Porous metal bodies Porous metal bodies

1987-05-27

1988-07-19

Lechert, Jr., Stephen J.

Specialized metallurgical processes, compositions for use therei

Compositions

Consolidated metal powder compositions

75249, 55523, 419 2, 419 36, 419 37, B22F 500

Patent

active

047582723

ABSTRACT:
This invention is concerned with the production of hard, porous, sintered bodies consisting essentially of Al and Fe with, optionally, Sn and/or Cu and/or Cr. The mechanism of the invention relies upon the presence of a small amount of Mg and/or Ca to act as a getter for oxygen. In the preferred embodiment, particles of the metals can be extruded into honeycomb structures which can then be fired in the presence of Mg and/or Ca to yield sound high cell density structures of controlled porosity.

REFERENCES:
patent: 2157596 (1939-05-01), Davis
patent: 2220641 (1940-11-01), Davis
patent: 4313759 (1982-02-01), Raybould
patent: 4702885 (1987-10-01), Odami et al.
patent: 4711823 (1987-12-01), Shiina

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