Fabrication of MgB2/Nb/Cu/stainless steel composite superconducting wire by continuous tube forming and filling processes - 文章详情页

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摘要：

In-situ　MgB2/Nb/Cu/stainless　steel　multilayer　composite　wire　was　fabricated　by　continuous　tube　forming　and　filling　(CTFF)　processes　using　Mg　and　B　powders　doped　by　SiC.　The　as-obtained　wires　were　sintered　at　various　temperatures　for　different　time　by　a　conventional　vacuum　process.　The　optimized　process　was　found　to　be　830°C　for　15　minutes.　The　MgB2　core　were　investigated　by　the　analysis　of　XRD,　SEM　and　the　magnetic　Jc　measurements.　It　was　shown　that　the　Jc　values　reach　5.87　×　105　A/cm2　(10　K,　0　T)　and　1.06　×　105　A/cm2　(5　K,　3.5　T),　respectively.

关键词：

Annealing Boron compounds Composite materials Copper Filling Magnesium compounds Niobium Scanning electron microscopy Sintering Stainless steel Superconducting materials Superconducting wire X ray diffraction analysis

作者机构：

[ 1 ] [Ma, Lin]Key Laboratory of Advanced Functional Materials, College of Material Science and Engineering, Beijing University of Technology, Beijing 100022, China
[ 2 ] [Suo, Hong-Li]Key Laboratory of Advanced Functional Materials, College of Material Science and Engineering, Beijing University of Technology, Beijing 100022, China
[ 3 ] [Liu, Min]Key Laboratory of Advanced Functional Materials, College of Material Science and Engineering, Beijing University of Technology, Beijing 100022, China
[ 4 ] [Wang, Ying]Key Laboratory of Advanced Functional Materials, College of Material Science and Engineering, Beijing University of Technology, Beijing 100022, China
[ 5 ] [Ma, Hong-Xia]Key Laboratory of Advanced Functional Materials, College of Material Science and Engineering, Beijing University of Technology, Beijing 100022, China
[ 6 ] [Zhang, Zi-Li]Key Laboratory of Advanced Functional Materials, College of Material Science and Engineering, Beijing University of Technology, Beijing 100022, China
[ 7 ] [Li, Ya-Ming]Key Laboratory of Advanced Functional Materials, College of Material Science and Engineering, Beijing University of Technology, Beijing 100022, China
[ 8 ] [Zhao, Yue]Key Laboratory of Advanced Functional Materials, College of Material Science and Engineering, Beijing University of Technology, Beijing 100022, China
[ 9 ] [Zhou, Mei-Ling]Key Laboratory of Advanced Functional Materials, College of Material Science and Engineering, Beijing University of Technology, Beijing 100022, China

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