New Sintered Electrode of Ir-Y_2O_3 System for Air-Plasma Cutting(Materials, Metallurgy & Weldability)
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概要
- 論文の詳細を見る
This paper describes on the new developed Ir-Y_2O_3 electrode for plasma cutting torch using air and oxygen in a operating gas. From the two type consumption tests, the continuous operation and the periodic operation at 25A in air, Ir including 15wt% Y_2O_3 electrode showed a good durability rather than Hf electrode. And Ir-Y_2O_3 system showed the same erosion characteristic of dependency on Y_2O_3 content in metal as Ru-Y_2O_3 system. Especially, Ir-Y_2O_3 electrode showed a good erosion resistance compared with Hf one until the large arc current (200A) in oxygen operating gas.
- 大阪大学の論文
著者
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USHIO Masao
Osaka University
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MATSUDA Fukuhisa
Osaka University
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Ushio Masao
Osaka Univ. Osaka Jpn
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KUSUMOTO Kazuomi
Osaka University
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Matsuda F
Osaka University
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Matsuda Fukuhisa
Osaka Univ.
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