Method for forming porous metals

Details Method for forming porous metals Method for forming porous metals

1998-04-30

1999-07-27

Mai, Ngoclan

Powder metallurgy processes

Powder metallurgy processes with heating or sintering

Making porous product

419 39, 419 48, 419 49, B22F 312

Patent

active

059305800

ABSTRACT:
A porous material of desired porosity and pore size is made by mixing a piculate material and fungible beads that are thermally decomposable until the desired distribution is attained; compacting the mixed material and beads to form a green body that has sufficient strength to be handled where the beads are undecomposed; and compacting and heating the green body to fuse the material particles and to decompose the beads to gas.

REFERENCES:
patent: 3052967 (1962-09-01), Fischer
patent: 4777153 (1988-10-01), Sonuparlak et al.
patent: 5080378 (1992-01-01), Kagawa
patent: 5592686 (1997-01-01), Thirc et al.
patent: 5610110 (1997-03-01), Azema et al.
patent: 5625861 (1997-04-01), Nishi et al.
patent: 5635430 (1997-06-01), Divakar et al.

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