Abstract: The invention provides an improved method for the preparation of a porous ongy body of a metal or alloy having an open cell structure. The basic principle of the method is the pressurized casting of a melt of the metal or alloy with a preheated powder compact of an inorganic compound soluble in a solvent to fill up the pores and dissolving away the inorganic compound with a solvent after solidification of the melt.
Type:
Grant
Filed:
January 14, 1985
Date of Patent:
December 3, 1985
Assignees:
Director-General of the Agency of Industrial Science and Technology, Shachihata Kogyo K.K.