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US 2020/0332435 A1Published application
Multi-layer susceptor design for magnetic flux shielding in directional solidification furnaces
AssigneeRaytheon Technologies Corporation
InventorsJoseph V. Mantese, Ryan C. Breneman, Thomas Anthony Rebbecchi, Andrew Boyne, John Joseph Marcin, Dustin W. Davis, David Ulrich Furrer, James Tilsley Auxier
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Abstract
An induction furnace assembly comprising a chamber having a mold; a primary inductive coil coupled to the chamber; a layered susceptor comprising at least two layers of magnetic field attenuating material surrounding the chamber between the primary inductive coil and the mold to nullify the electromagnetic field in the hot zone of the furnace chamber.
Claims11
1-7. (canceled)
An induction furnace assembly comprising:
- a chamber having a mold;
- a primary inductive coil coupled to said chamber;
- a susceptor comprising a first layer and a second layer enclosing an interior layer of electromagnetic field attenuating material surrounding said chamber between said primary inductive coil and said mold;
- and
- said first layer and said second layer are configured for protecting the interior layer from material degradation, said interior layer comprises at least one of a castable nickel-based alloy or Co-based superalloy and castable ferrous alloy.
2 more elements
(canceled)
Dependencies are inferred from the claim text.