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Development of Sintered Ir-Y2O3 Electrode for Air Plasma Cutting. New Cathode Material for Air Plasma Cutting. (Report 5)
エア・プラズマアーク切断用Ir‐Y2O3系焼結型電極の開発 酸化性雰囲気用プラズマアーク電極の開発研究 (第5報)
1995
QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY
エア・プラズマアーク切断用Ir‐Y2O3系焼結型電極の開発 酸化性雰囲気用プラズマアーク電極の開発研究 (第5報)
Preserved Fulltext
This paper describes on the new developed Iridium(Ir) -Yttrium oxide (Y203) electrode for plasma cutting torch using compressed air in operating gas. From the two type consumption tests, the continuous operation and the periodic operation at 25 A in air, Ir-Y203 sytem showed extremely low consumption in the range from 10 to 25 wt% in Y2O3 content for 3.6 ks at 25 A in arcing. And Ir-Y2O3 system showed the same erosion characteristic of dependency on Y2O3 content in metal as Ru-Y2O3 system.
doi:10.2207/qjjws.13.82
fatcat:vpprqxblvvd63ifcdr2dlccvk4