Electron beam melting method for metallic material

Details Electron beam melting method for metallic material Electron beam melting method for metallic material

2005-02-22

2005-02-22

Andrews, Melvyn (Department: 1742)

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

Reexamination Certificate

active

06858059

ABSTRACT:
An electron beam melting method for a metallic material which is melted by an electron beam in a melting furnace is disclosed. The method comprises: locating an actual melting material and a pre-melting material in the melting furnace; forming a melted surface on the pre-melting material by an electron beam under a reduced pressure; and melting the actual melting material by the electron beam while maintaining the reduced pressure in the melting furnace.

REFERENCES:
patent: 4627148 (1986-12-01), Imahashi et al.
patent: 5226946 (1993-07-01), Diehm et al.
patent: 62176667 (1987-08-01), None
patent: 09031559 (1997-02-01), None

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