Nitriding of zirconium cathode for arc-heater testing in air

作者：Momozawa Ai^*; Taubert Sven; Nomura Satoshi; Komurasaki Kimiya; Arakawa Yoshihiro

来源：Vacuum, 2010, 85(5): 591-595.

DOI：10.1016/j.vacuum.2010.08.017

• Plasma
• Arc heater
• Nitriding
• Oxidation
• Zirconium cathode
• Argon-air mixture gas
• Specific enthalpy

Zirconium cathodes with a nitrided surface layer are promising candidates for arc-heater tests in air because of their good erosion resistance and excellent physical properties Nitriding of a zirconium cathode is performed by a microwave plasma generator Nitrided cathode, yield a stable plasma flow of argon air up to 80 A at a maximum flow rate of 4 l/min argon and 08 l/min air for a long duration The specific input power corresponds to 11 8 MJ/kg During arc-heater testing nitriding is a governing reaction and golden zirconium nitride is formed at the t

• 出版日期2010-11-9