METHOD FOR IMPROVING THE CHARACTER OF CERMENTTIC

摘要

The cermet free of residual pores is prepared by putting a fuse- precipitating body on carbide skeleton body heating and fuse- precipitating at 1350-1450 deg.C under the vacuum condition. The skeleton body is consists of 60-70% TiC-10-20% Mo2C-5% Ni or 60% TiC-20% Mo2C-5% (Ni-Co) and is presintered at 1100-1300 deg.C under the vacuum condition. The fuse-precipitating body consists of Ni, Ni-7% TiC-8% Mo2C, Ni-10-20% Co or Ni-10-15% Fe. The produced cermet has a compsn. of 70% TiC-10% Mo2C-20% Ni, 60% TiC-20% Mo2C-20% (Ni-Co) or 60% TiC-20% Mo2C-20% (Ni-Co-Fe).