Correlation of cathode parameters of high power grid tubes with material characteristics of cathode-grid units
| Autor: | D. A. Usanov, I.P. Melnikova, I.V. Polyakov |
|---|---|
| Rok vydání: | 2005 |
| Předmět: |
Materials science
Evaporation Analytical chemistry General Physics and Astronomy chemistry.chemical_element Thermionic emission Surfaces and Interfaces General Chemistry Tungsten Condensed Matter Physics Cathode Surfaces Coatings and Films law.invention Volume (thermodynamics) chemistry law Composite material Porous medium Porosity Common emitter |
| Zdroj: | Applied Surface Science. 251:120-125 |
| ISSN: | 0169-4332 |
| DOI: | 10.1016/j.apsusc.2005.03.121 |
| Popis: | Ways of raise of longevity are shown at decrease of evaporation of dispenser cathodes as a result of decrease of reaction "activity" of emitter impregnant with porous W body which has the certain carrying capacity of free Ba from volume of the cathode on its surface. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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