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| Nb3Sn超导材料的高场钉扎行为 | |
| 引用本文： | 曹忠胜,崔长庚,周廉. Nb3Sn超导材料的高场钉扎行为[J]. 物理学报, 1987, 36(7): 940-944 |
| 作者姓名： | 曹忠胜 崔长庚 周廉 |
| 作者单位： | (1)宝鸡有色金属研究所; (2)中国科学院物理研究所; (3)中国科学院物理研究所,中国科学技术大学研究生院 |
| 摘 要： | 本文利用线性回归分析法处理扩散和气相沉积Nb3Sn带材样品以及青铜法多芯Nb3Sn线材样品在高场(22T)下的临界电流测试数据,得到Jc-B曲线和钉扎力随磁场变化的经验规律。该规律与Kramer模型的钉扎力公式不一致,有待提出新的理论模型加以说明。关键词： |
| 收稿时间： | 1986-07-02 |
THE CHARACTERIZATION OF FLUX PINNING FORCE FOR Nb3Sn SUPERCONDUCTING MATERIALS IN HIGH MAGNETIC FIELDS |
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| CAO ZHONG-SHENG,CUI CHANG-GENG and ZHOU LIAN. THE CHARACTERIZATION OF FLUX PINNING FORCE FOR Nb3Sn SUPERCONDUCTING MATERIALS IN HIGH MAGNETIC FIELDS[J]. Acta Physica Sinica, 1987, 36(7): 940-944 | |
| Authors: | CAO ZHONG-SHENG CUI CHANG-GENG ZHOU LIAN |
| Abstract: | Expenrimental results of Jc(B) in high magnetic fields for diffusion and CVD Nb3Sn tapes and MF Nb3Sn wires have been analysed by using regression analysis, the empirical rules for Jc(B) and FP(B) in high magnetic fields were obtained. The rules are different from Kramer scaling law. There is a need for a new model of flux pinning mechanism to explain the empirical rules. |
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