I-crucible yenziwe nge-aluminiyam oxide ene-1800 degree yobushushu bokudubula kunye neeyure ezingama-40 ze-sintering time.Unikezelo luyahlukahlukana ngokwemilo yezigqubuthelo ze-alumina ukuze uziqhelanise neemfuno zakho zosetyenziso olwahlukileyo, unokugqunywa ngokuqinileyo embizeni, isivalo akulula ukusiqhawula ngokuphila ixesha elide.