公开(公告)号：US3657799A

公开(公告)日：1972-04-25

申请号：US3657799D

申请日：1969-12-18

Applicant: GEN ELECTRIC

Inventor： POPADICK CARL C ,  TALENTO JOSEPH L

IPC: B22F3/26 ,  B22D21/02 ,  B22D23/06 ,  B22D27/20

CPC classification number: B22F3/26

Abstract: Discloses a method of making an electrode that involves providing a cup-shaped shell of sintered refractory particles, placing within the shell non-refractory backing metal, heating in a reducing atmosphere to melt the backing metal and cause it to infiltrate the shell, replacing the reducing atmosphere with an inert environment, holding the assembly in the inert environment for a sufficient period to remove a substantial quantity of dissolved gases from the molten backing metal, and then cooling within said inert environment to solidify said backing metal and remove additional dissolved gases.

Abstract translation: 公开了一种制造电极的方法，其包括提供烧结耐火材料颗粒的杯形壳体，将其置于壳体内的非耐火背衬金属中，在还原气氛中加热以熔化背衬金属并使其渗透壳体， 在惰性环境中还原气氛，将组件在惰性环境中保持足够的时间以从熔融的背衬金属中除去大量的溶解气体，然后在所述惰性环境内冷却以固化所述背衬金属并除去另外的溶解气体。