| abstract |
A continuous process for the manufacture of anceramic sintered compact wherein the process comprisesnthe steps of: forming a green compact from a powdernmixture comprising a first component comprisingncompounds which contain elements of silicon, aluminum,noxygen and nitrogen; and the powder mixture furtherncomprising a second component comprising a compound ofnat least one element selected from the group consistingnof yttrium, scandium, cerium, lanthanum and the metalsnof the lanthanide series, and the second componentncomprising between 0.1 and 10 weight percent of thenpowder mixture; heat treating the green compact whereinnthe heat treatment comprises continuously passing thengreen compact through at least one heating zone so asnto produce a sintered compact. |