Metallurgical apparatus – Means for holding or supporting work – Receptacle
Patent
1998-11-25
1999-12-07
Kastler, Scott
Metallurgical apparatus
Means for holding or supporting work
Receptacle
266280, 373156, 432262, B22D 4100
Patent
active
059978023
ABSTRACT:
A sintered metal ceramic crucible suitable for high temperature induction melting of reactive metals without appreciable carbon or silicon contamination of the melt. The crucible comprises a cast matrix of a thermally conductive ceramic material; a perforated metal sleeve, which serves as a susceptor for induction heating of the crucible, embedded within the ceramic cast matrix; and a thermal-shock-absorber barrier interposed between the metal sleeve and the ceramic cast matrix to allow for differential thermal expansions between the matrix and the metal sleeve and to act as a thermal-shock-absorber which moderates the effects of rapid changes of sleeve temperature on the matrix.
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Holcombe, Jr. Cressie E.
Kiggans, Jr. James O.
Morrow S. Marvin
Rexford Donald
Hamel Stephen D.
Kastler Scott
Moser William R.
Schneider Emily G.
The United States of America as represented by the United States
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