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

doi:10.1088/1674-1137/32/12/012

Chinese Physics C> 2008, Vol. 32> Issue(12) : 1003-1006 DOI: 10.1088/1674-1137/32/12/012

Development of high purity niobium used in SRF accelerating cavity

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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.

References

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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 and LIU Ke-Xin. Development of high purity niobium used in SRF accelerating cavity[J]. Chinese Physics C, 2008, 32(12): 1003-1006. doi: 10.1088/1674-1137/32/12/012

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Received: 2007-11-20
Revised: 2008-05-29

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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

Development of high purity niobium used in SRF accelerating cavity

Corresponding author: HE Fei-Si,

Received Date: 2007-11-20

Accepted Date: 2008-05-29

Available Online: 2008-12-05

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.

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Development of high purity niobium used in SRF accelerating cavity

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