1974•Journal of Physics E Scientific InstrumentsRequires access

A simple, effective beam current control for electron-beam zone melting

K. G. Davis

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Abstract

A simple, easily assembled power control system for an electron-beam zone melter is described, where the beam current is maintained constant by a feedback adjustment to the bias on the focusing cage. The system has been used for the production of uniform structures in alloys based on the Fe-Fe3C eutectic.

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A simple, easily assembled power control system for an electron-beam zone melter is described, where the beam current is maintained constant by a feedback adjustment to the bias on the focusing cage. The system has been used for the production of uniform structures in alloys based on the Fe-Fe3C eutectic.

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Available abstract

A simple, easily assembled power control system for an electron-beam zone melter is described, where the beam current is maintained constant by a feedback adjustment to the bias on the focusing cage. The system has been used for the production of uniform structures in alloys based on the Fe-Fe3C eutectic.

Key concepts: Current (fluid), Beam (structure), Cathode ray, Simple (philosophy), Electron, Materials science, Engineering physics, Optics

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