Accession Number : ADD001030
Title : Use of Alumina as a Sintering Aid in Manufacture of Hot Pressed Beryllia.
Descriptive Note : Patent,
Corporate Author : DEPARTMENT OF THE ARMY WASHINGTON D C
Personal Author(s) : Greenspan,Jacob
Report Date : 02 Oct 1973
Pagination or Media Count : 2
Abstract : The patent describes a method for the fabrication of high strength beryllia-alumina alloys comprising the steps of preparing a raw powder mix of beryllium oxide containing 5 to 20% aluminum oxide by weight, and die-ram pressing in a partial vacuum at a temperature of about 1400C under a pressure of about 4000 p.s.i. A sintering aid mixture of alumina, magnesia and silica is also disclosed.
Descriptors : *Hot pressing, *Beryllium oxides, *Patents, Alumina, Sintering
Subject Categories : Ceramics, Refractories and Glass
Mfg & Industrial Eng & Control of Product Sys
Distribution Statement : APPROVED FOR PUBLIC RELEASE