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Emission properties and poisoning of the directional solidified cathode material 60 % GdB6 – 40 % VB2 by mass

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Product Description

The results of experimental investigation of the quasi-binary alloy 60 mas. % GdB6  40 mas. % VB2 are represented. The values of highest thermionic current density, electron work function, and spectral emissivity are determined at the temperature range from 1285 to 1944 K. This composition cathode material not only poisons but also considerably increases of electron emission at the air and oxygen leaking. The stable increase of emission current takes place after stopping of oxygen leaking at Т = 1700…1800 К.

Additional Information

Authors

Кислицын А.П., Мартыненко А.Н., Падерно В.Н., Таран А.А., Филиппов В.Б.

Year of publication

2014

1

Volume

108

Language

Russian

Types of files

pdf

Section

Aerospace Engineering, Ion Plasma Technologies and Equipment

Quality

excellent

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