Ceramic foam

Plastic and nonmetallic article shaping or treating: processes – Including step of generating heat by friction

Patent

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Details

264 43, 264 59, 2105101, G04B 3500, G04B 3510

Patent

active

048030252

ABSTRACT:
Disclosed is a ceramic foam material and process for making same having superior strength and chemical durability properties wherein the impregnated foam impregnated with a phosphate bonded ceramic is fired at an elevated temperature so as to produce a ceramic body substantially free of phosphate and having individual grains of ceramic tightly coalesced to minimize porosity between the grains.

REFERENCES:
patent: 3893917 (1975-07-01), Pryor et al.
patent: 3947363 (1976-03-01), Pryor et al.
patent: 3962081 (1976-06-01), Yarwood et al.
patent: 4069057 (1978-01-01), Kamei et al.
patent: 4081371 (1978-03-01), Yarwood et al.
patent: 4113241 (1978-09-01), Dove
patent: 4257810 (1981-03-01), Norumiya
patent: 4265659 (1981-05-01), Blome
patent: 4307198 (1981-12-01), Oda et al.
patent: 4343704 (1982-08-01), Brockmeyer

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