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Improved superconducting properties for multifilament graphene-doped MgB2wires by an internal Mg diffusion process
Liu, Haoran1; Wang, Qingyang2; Yang, Fang2; Jin, Lihua2; Xiong, Xiaomei2; Feng, Jianqing2; Li, Chengshan2; Zhou, Lian1,2
2018
Source PublicationMaterials Letters
ISSN0167577X
Volume227Pages:305-307
AbstractWe have fabricated 6 + 1-filament MgB2wires using an internal Mg diffusion (IMD) process. For the 3 at% graphene (G) doped long wire with 1.4 mm diameter, the critical current is about 530 A at 4 T, which is 45% higher than that of the undoped sample. Moreover, the G doped wire has higher irreversible strain of 38% in comparison to the undoped one of 30% after 650 °C × 2 h annealing. The obtained results show that the G doped IMD wires with excellent superconductivity and mechanical property can compete with the conventional PIT wires in practical application. © 2018 Elsevier B.V.
DOI10.1016/j.matlet.2018.05.109
PublisherElsevier B.V.
EI KeywordsWire
EI Classification Number535.2 Metal Forming - 542.2 Magnesium and Alloys - 761 Nanotechnology - 804 Chemical Products Generally - 951 Materials Science
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Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/25264
Collection中国科学院上海硅酸盐研究所
Affiliation1.State Key Laboratory of Solidification Processing, Northwestern Polytechnical University, Xi'an; 710072, China;
2.Northwest Institute for Nonferrous Metal Research, Xi'an; 710016, China
Recommended Citation
GB/T 7714
Liu, Haoran,Wang, Qingyang,Yang, Fang,et al. Improved superconducting properties for multifilament graphene-doped MgB2wires by an internal Mg diffusion process[J]. Materials Letters,2018,227:305-307.
APA Liu, Haoran.,Wang, Qingyang.,Yang, Fang.,Jin, Lihua.,Xiong, Xiaomei.,...&Zhou, Lian.(2018).Improved superconducting properties for multifilament graphene-doped MgB2wires by an internal Mg diffusion process.Materials Letters,227,305-307.
MLA Liu, Haoran,et al."Improved superconducting properties for multifilament graphene-doped MgB2wires by an internal Mg diffusion process".Materials Letters 227(2018):305-307.
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