Crucibles for melting titanium alloys

Details Crucibles for melting titanium alloys Crucibles for melting titanium alloys

2007-09-28

2011-11-01

Kastler, Scott (Department: 1733)

Metallurgical apparatus

Means for holding or supporting work

Receptacle

C432S264000

Reexamination Certificate

active

08048365

ABSTRACT:
Crucibles for melting titanium alloys having a facecoat including at least one facecoat layer containing an oxide selected from scandium oxide, yttrium oxide, hafnium oxide, a lanthanide series oxide, and combinations thereof, and a backing including at least one backing layer where the crucible has a backing to facecoat thickness ratio of from about 6.5:1 to about 20:1.

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Office Action and Response in co-pending U.S. Appl. No. 11/863,465.

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