THERMIONIC EMISSION OF Mo-Y2O3 FILAMENT CATHODE

THERMIONIC EMISSION OF MoY_2O_3 FILAMENT CATHODE

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摘要ＴＨＥＲＭＩＯＮＩＣＥＭＩＳＳＩＯＮＯＦＭｏＹ２Ｏ３ＦＩＬＡＭＥＮＴＣＡＴＨＯＤＥ①ＺｕｏＴｉｅｙｏｎｇ１，２，ＮｉｅＺｕｏｒｅｎ１，２，ＺｈｏｕＭｅｉｌｉｎｇ１，２，ＺｈａｎｇＪｉｕｘｉｎｇ２ａｎｄＷａｎｇＪｉｎｓｈｕ２１Ｄｅｐａｒｔｍｅｎｔｏｆ... A new thermionic electron emission material has been studied. The electron emission properties and microstructure of Y-Mo(MoY_2O_3) wire with content of 3%～5% Y_2O_3 have been systematically investigated by means of electron tube emission and electron microscope. The results showed that the YMo material has very good electron emission ability, higher emission efficiency and lower operation temperature than those of ThW cathode, respectively. In addition, Y-Mo cathode electron tube exhibits more stable emission current than that of LaMo ones.

出处《中国有色金属学会会刊：英文版》 CSCD 1998年第1期45-48,共4页 Transactions of Nonferrous Metals Society of China

关键词 MO Y2O3 CATHODE thermionic EMISSION Mo Y_2O_3 cathode thermionic emission

分类号 TG146 [金属学及工艺—金属材料] TG146 [金属学及工艺—金属材料]

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1Nie, Zuoren, Zhou, Meiling, Wang, Jinshu, Zhang, Jiuxing, Zuo, Tieyong.THERMIONIC EMISSION OF CARBONIZED La-Mo CATHODE[J].中国有色金属学会会刊：英文版,1999,9(2):26-30. 被引量：1
2王金淑,周美玲,聂祚仁,张久兴,罗丰华,左铁镛.Emission mechanism of Mo-Y_2O_3 cathode[J].中国有色金属学会会刊：英文版,2000,10(5):576-579. 被引量：1
3Cao Cheng, Li Shimin, Jia Yunhai, Yuan Pengfei.Determination of Nitrogen in Steel Using Optical Emission Spectrometry[J].Journal of Iron and Steel Research International,1999,6(1):48-52. 被引量：3
4靳惠明,张林楠,李美栓,李铁藩.Rare Earth Effects on Adhesion of Cr_2O_3 Oxide Scale Formed on Surface of Co-40Cr Alloy[J].Journal of Rare Earths,2001,19(1):34-39. 被引量：13
5Y G. Li and CS. Xue (Institute of Semiconductor Research, Shandong Normal University, Jinan 250014, China)G.L. Zhang(Shanghai Institute of Nuclear Research, The Chinese Academy of Sciences, Shanghai 201800, China ).EMISSION MSSBAUER SPECTROSCOPY OF NiTi SHAPEMEMORY ALLOY[J].Acta Metallurgica Sinica(English Letters),1999,12(6):0-0.
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8Fan Ailing1,Meng Lingsheng1,Huang Lang1,2,Ma Jie1 1 College of Materials Science and Engineering,Beijing University of Technology,Beijing 100124,China 2 Department of Safety and Environment,Xinyu Iron&Steel Group Co.Ltd,Xinyu 338001,China.Improvement in the Oxidation Resistance of Tungsten by Sol-Gel Derived Al_2O_3 Coating[J].稀有金属材料与工程,2012,41(S1):303-305. 被引量：2
9王新新,杨津基.Observation of the Metallic Vaporfrom a Plasma Focus[J].Tsinghua Science and Technology,1999,4(4):1695-1697.
10潘奇汉.Mechanism of Secondary Electron Emission of Cu-Al-Mg Alloy[J].Rare Metals,1995,14(3):217-222.

中国有色金属学会会刊：英文版

1998年第1期

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THERMIONIC EMISSION OF Mo-Y<sub>2</sub>O<sub>3</sub> FILAMENT CATHODE

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