REFRACTORY CRUCIBLES CAPABLE OF MANAGING THERMAL STRESS AND SUITABLE FOR MELTING HIGHLY REACTIVE ALLOYS

摘要

Refractory crucibles capable of managing thermal stress and suitable for melting highly reactive alloys having a facecoat, a backing, and at least one retaining ring applied about at least a portion of the backing of the crucible, the retaining ring comprising a composition selected from the group consisting of conductive materials, non-conductive materials, and combinations thereof.