Crucible and facecoat compositions

摘要

Crucible compositions and methods of using the crucible compositions to melt titanium and titanium alloys. More specifically, crucible compositions having intrinsic facecoats that are effective for melting titanium and titanium alloys for use in casting titanium-containing articles. Further embodiments are titanium-containing articles made from the titanium and titanium alloys melted in the crucible compositions. Another embodiment is a crucible curing device and methods of use thereof.

主权项

1. A crucible for melting titanium and titanium alloys, comprising:
a bulk; a cavity for melting titanium and titanium alloys therein; and an intrinsic facecoat with a thickness of about 10 microns to about 450 microns disposed between the bulk and the cavity, wherein said bulk and said intrinsic facecoat comprises a calcium aluminate cement comprising calcium monoaluminate.