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Development of high purity niobium used in SRF accelerating cavity
作者姓名:陈林  颉维平  李明阳  何季麟  范会茹  张保澄  贺斐思  赵夔  陈佳洱  刘克新
作者单位:Ningxia Orient Tantalum Industry Co.,Ltd.,State Key Laboratory of Nuclear Physics and Technology,Peking University
摘    要:Niobium is widely used in SRF (Superconducting Radio Frequency) cavities due to its excellent superconductivity and workability. With the continuous development of technology, higher demands of material are raised. One of the key issues is that RRR (Residual Resistance Ratio) of the Nb material should be more than 300, which requires that the Nb ingot have even higher RRR. This article introduces the development and the experimental results of high purity niobium in OTIC in Ningxia (Ningxia Orient Tantalum Industry Co. Ltd.), and the test results of the single cell TESLA (Tera Electron volt energy Superconducting Linear Accelerator) shaped cavity manufactured by Peking University using Nb material from OTIC.

关 键 词:high  purity  niobium    superconducting  cavity    electron  beam  furnace    RRR  value
收稿时间:2007-11-20
修稿时间:2008-5-29

Development of high purity niobium used in SRF accelerating cavity
CHEN Lin XIE Wei-Ping LI Ming-Yang HE Ji-Lin FAN Hui-Ru ZHANG Bao-Cheng, HE Fei-Si ZHAO Kui CHEN Jia-Er LIU Ke-Xin.Development of high purity niobium used in SRF accelerating cavity[J].High Energy Physics and Nuclear Physics,2008,32(12):1003-1006.
Authors:CHEN Lin XIE Wei-Ping LI Ming-Yang HE Ji-Lin FAN Hui-Ru ZHANG Bao-Cheng  HE Fei-Si ZHAO Kui CHEN Jia-Er LIU Ke-Xin
Affiliation:CHEN Lin) XIE Wei-Ping1 LI Ming-Yang1 HE Ji-Lin1 FAN Hui-Ru1 ZHANG Bao-Cheng2,2) HE Fei-Si2 ZHAO Kui2 CHEN Jia-Er2 LIU Ke-Xin2 1
Abstract:Niobium is widely used in SRF (Superconducting Radio Frequency) cavities due to its excellent superconductivity and workability. With the continuous development of technology, higher demands of material are raised. One of the key issues is that RRR (Residual Resistance Ratio) of the Nb material should be more than 300, which requires that the Nb ingot have even higher RRR. This article introduces the development and the experimental results of high purity niobium in OTIC in Ningxia (Ningxia Orient Tantalum Industry Co. Ltd.), and the test results of the single cell TESLA (Tera Electron volt energy Superconducting Linear Accelerator) shaped cavity manufactured by Peking University using Nb material from OTIC.
Keywords:high purity niobium  superconducting cavity  electron beam furnace  RRR value
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