Kedu ụdị crucible a na-eji na ihe mkpuchi ọkụ aluminom na-agbaze ọkụ agbaze aluminum alloy?

Igwe ọkụ na-agbaze nke aluminom na-eji graphite crucible kama alumina crucible iji gbazee alloy aluminum. Graphite na-eguzogide okpomọkụ dị elu.