Joining Superconducting MgB2 Parts by Spark Plasma Sintering: A New Technique with High Potential for Manufacturing Future Superconducting Devices

被引：4
作者：
Thimont, Yohann [1 ]
Xing, Yiteng [2 ,3 ]
Bernstein, Pierre [2 ]
Miryala, Muralidhar [3 ]
Noudem, Jacques [2 ]
机构：
[1] Univ Toulouse, CIRIMAT, CNRS, INPT,UPS, 118 Route Narbonne, F-31062 Toulouse, France
[2] UNICAEN, Normandie Univ, ENSICAEN, CNRS,CRISMAT, F-14000 Caen, France
[3] Shibaura Inst Technol, Mat Energy & Environm Lab, Superconducting Mat Grp, Grad Sch Sci & Engn,Koto Ku, 3-7-5 Toyosu, Tokyo 1358548, Japan
来源：
COATINGS | 2022年 / 12卷 / 08期
关键词：
MgB2; bulk; superconductor; soldering; Spark Plasma Sintering; HIGH-PRESSURE SYNTHESIS;
D O I：
10.3390/coatings12081151
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
MgB2 pellets that were sintered by Spark Plasma Sintering (SPS) from commercial MgB2 powder were soldered by a SPS process and compared to unsoldered ones. The soldered samples were characterized by scanning and transmission electron microscopy which have shown no visible defects at the junction. SQUID magnetometry and four probes resistance measurements have confirmed that the soldered pellets present the same magnetic properties as the unsoldered ones. The presented soldering technique could find applications for manufacturing superconducting devices with custom shapes which could be used as rotors for motors and generators, magnets and magnetic shields. This new approach could generate a high potential interest for industrials in these and connected domains such as the development of new electrical planes using superconducting technologies.
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页数：6
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