Schematic of indirectly heated cathode assembly.
Deflection on flat filament after heating.
Deflection on new filament.
Temperature profile on the new filament.
(a) New single filament assembly. (b) Trapezoidal solid cathode. (c) Filament solid cathode assembly.
Filament temperature distribution at different currents.
Validation of temperature distribution.
Intensity profile of the filament at 50 A.
Modified multi-segment filament.
Comparison of solid cathode temperature distribution with modified multi-segment filament.
Temperature distribution of multi-segment and single long filament.
Temperature distribution of solid cathode with multi-segment and single long filament.
Puncture experiment on stainless steel plate (with multi-segment filament based solid cathode).
Puncture experiment on stainless steel plate (with single filament based solid cathode).
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