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High temperature superconductor has become one of the hotspots of research, because of its high critical temperature, strong trapped flux density, stable suspension characteristics and large magnet levitation force. The single domain REBa2Cu3O7–δ (REBCO) superconductors have the wide and potential applications in the high-tech fields, such as micro-magnet superconducting maglev train, superconducting motor and superconducting magnetic separation system. However, a large number of multi-domain samples are easy to produce in the preparation process, which leads the success rate to decrease significantly and the cost to increase considerably, which restricts its practical application process. Inspired by the top seeded infiltration growth method, we develop a reliable method of recycling failed GdBCO sample by re-supplementing the liquid phase lost in the primary growth process and pretreating the failed sample as solid phase source billets. We recycle a series of GdBCO samples by using this new technique successfully. The growth morphology, superconducting properties, and microstructures of the recycled GdBCO bulk superconductors are investigated in detail in this study. The results show that the magnetic levitation forces of the recycled GdBCO samples are all greater than 30 N, their magnetic flux densities are all above 0.3 T, and their capture efficiencies are above 60%. These results provide the scientific basis and new ideas for developing the low cost and high efficient yield of fabrication of the REBCO bulk superconductors.
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Keywords:
- singe domain GdBCO bulk superconductor /
- recycling the failed bulk using textured growth /
- top-seeded infiltration growth /
- superconducting properties
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图 1 二次单畴化制备GdBCO样品的流程图
Figure 1. Preparation flow chart of recycling the failed samples.
图 2 GdBCO超导样品的表面宏观形貌图 (a)—(d) 生长失败的GdBCO样品; (e)—(h)二次单畴化生长后对应的样品
Figure 2. Top view of the GdBCO bulk superconductors: (a)–(d) Failed GdBCO samples; (e)–(h) recycled samples.
图 3 不同二次单畴化制备GdBCO超导样品的磁悬浮力曲线
Figure 3. Levitation force of the recycled GdBCO samples.
图 4 不同二次单畴化制备GdBCO超导样品的捕获磁通密度分布图 (a)样品e; (b)样品f; (c)样品g; (d)样品h
Figure 4. Trapped field of the recycled GdBCO samples: (a) Sample e; (b) sample f; (c) sample g; (d) sample h.
图 5 在二次单畴化制备的GdBCO超导样品的纵切面上取样示意图
Figure 5. Schematic of the specimens cut from the recycled GdBCO sample.
图 6 二次单畴化制备GdBCO超导样品f的临界转变温度(1 emu = 10–3 A·m2)
Figure 6. Superconducting transition temperature of the recycled GdBCO sample f.
图 7 二次单畴化制备GdBCO超导样品f的临界电流密度
Figure 7. The Jc of the recycled GdBCO sample f.
图 8 二次单畴化制备GdBCO超导样品f不同位置的微观形貌图
Figure 8. Microstructure of the specimens cut from the recycled GdBCO sample f.
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[1] Wu M K, Ashburn J R, Torng C J 1987 Phys. Rev. Lett. 58 908
Google Scholar
[2] Chu C 1987 Proc. Natl. Acad. Sci. U.S.A. 84 4681
Google Scholar
[3] Durrell J H, Dennis A R, Jaroszynski J, Shi Y H, Cardwell A D 2014 Supercond. Sci. Technol. 27 082001
Google Scholar
[4] Tomita M, Murakami M 2003 Nature 421 517
Google Scholar
[5] Yang P T, Yang W M, Abula Y, Su X Q, Zhang L L 2017 Ceram. Int. 43 3010
Google Scholar
[6] Yang W M, Wang M 2013 Physica C 493 128
Google Scholar
[7] Ainslie M, Fujishiro H, Ujiie T 2014 Supercond. Sci. Technol. 27 065008
Google Scholar
[8] Jin J X, Guo Y G, Zhu J G 2007 Physica C 460 1445
[9] Deng Z, He D, Zheng J 2015 IEEE Trans. Appl. Supercond. 25 3600106
Google Scholar
[10] Tomita M, Fukumoto Y, Suzuki K, Ishihara A, Muralidhar M 2011 J. Appl. Phys. 109 023912
Google Scholar
[11] Basaran S, Sivrioglu S 2017 Supercond. Sci. Technol. 30 035008
Google Scholar
[12] Muralidhar M, Szuki K, Ishihara A, Jirsa M, Fukumoto Y, Tomita M 2010 Supercond. Sci. Technol. 23 124003
Google Scholar
[13] Cardwell D A, Shi Y H, Hari Babu N, Pathak S K, Dennis A R, Iida K 2010 Supercond. Sci. Technol. 23 034008
Google Scholar
[14] Cheng L, Li T, Yan S, Sun L, Yao X, Puzniak R 2011 J. Am. Ceram. Soc. 94 3139
Google Scholar
[15] Meslin S, Noudem J G 2004 Supercond. Sci. Technol. 17 1324
Google Scholar
[16] Congreve J J, Shi Y H, Dennis A R, Durrell J H, Cardwell D A 2018 Supercond. Sci. Technol. 31 035008
Google Scholar
[17] Devendra Kumar N, Rajasekharan T, Sechubai V 2013 Physica C 495 55
Google Scholar
[18] Wang M, Yang W M, Li J W, Feng Z L, Yang P T 2015 Supercond. Sci. Technol. 28 035004
Google Scholar
[19] Wang M, Yang W M, Li J W, Feng Z L, Chen S L 2013 Physica C 492 129
Google Scholar
[20] Hari Babu N, Shi Y H, Pathak S K, Dennis A R, Cardwell D A 2011 Physica C 471 169
Google Scholar
[21] Li T Y, Cheng L, Yan S B, Sun L J, Yao X, Yoshida Y, Ikuta H 2010 Supercond. Sci. Technol. 23 125002
Google Scholar
[22] Iida K, Löwe K, Kühn L, Nenkov K, Fuchs G, Krabbes G, Behr G, Holzapfel B, Schultz L 2009 Physica C 469 1153
Google Scholar
[23] Pathak S K, Hari Babu N, Dennis A R, Iida K, Strasik M, Cardwell D A 2010 Supercond. Sci. Technol. 23 065012
Google Scholar
[24] Xu H H, Cheng L, Yan S B, Yu D J, Guo L S, Yao X 2012 J. Appl. Phys. 111 103910
Google Scholar
[25] Xu H H, Chen Y Y, Cheng L, Yan S B, Yu D J, Guo L S, Yao X 2013 J. Supercond. Novel Magn. 26 919
Google Scholar
[26] Shi Y, Namburi D, Wang M, Durrell J, Dennis A, Cardwell D 2015 J. Am. Ceram. Soc. 98 2760
Google Scholar
[27] Yang W M, Zhi X, Chen S L, Wang M, Ma J, Chao X X 2014 Physica C 496 1
Google Scholar
[28] Yang W M, Zhou L, Feng Y, Zhang P X, Zhang C P 2006 J. Alloys compd. 415 276
Google Scholar
[29] Guo Y X, Yang W M, Li J W, Guo L P, Li Q 2015 Cryst. Growth Des. 15 1771
Google Scholar
[30] Chen S L, Yang W M, Li J W, Yuan X C, Ma J, Wang M 2014 Physica C 496 39
Google Scholar
[31] Yang P T, Yang W M, Chen J L 2017 Supercond. Sci. Technol. 30 085003
Google Scholar
[32] 王妙, 杨万民, 杨芃焘, 王小梅, 张明, 胡成西 2016 物理学报 65 227401
Google Scholar
Wang M, Yang W M, Yang P T, Wang X M, Zhang M, Hu C X 2016 Acta Phys. Sin. 65 227401
Google Scholar
[33] Chen D X, Goldfarb R B 1989 J. Appl. Phys. 66 2489
Google Scholar
[34] Kumar N D, Shi Y H, Palmer K G, Dennis A D, DurRell J H, Cardwell D A 2016 J. Eur. Ceram. Soc. 36 615
Google Scholar
[35] Iida K, Hari Babu N, Shi Y H, Cardwell D A, Murakami M 2006 Supercond. Sci. Technol. 19 641
Google Scholar
[36] 李国政, 陈超 2020 物理学报 69 237402
Google Scholar
Li G Z, Chen C 2020 Acta Phys. Sin. 69 237402
Google Scholar
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