Zobrazeno 1 - 10
of 55
pro vyhledávání: '"Yanwei Ma"'
Publikováno v:
IEEE transactions on applied superconductivity, Vol. 31, No 5 (2021) P. 7300105
This work reports the longitudinal thermal conductivity, κ, of Ag- and Cu/Ag-sheathed Ba 1-x K x Fe 2 As 2 conductors. Our investigation has been carried out between 4 K and 80 K with magnetic fields up to 19 T. In the case of Ag-sheathed tapes, the
Publikováno v:
IEEE Transactions on Applied Superconductivity. 31:1-4
We have investigated spatial distribution of local critical current density ( J c) in a Co-doped BaFe2As2 (Ba122:Co) film based on scanning Hall-probe microscopy (SHPM). In-plane J c distribution was derived from the magnetic field distribution. Than
Autor:
Lingling Gong, Dongliang Wang, Fang Liu, Yanwei Ma, Huajun Liu, Chao Tian, Donghui Jiange, Xianping Zhang, Zhan Zhang, Yingzhe Wang, Zhen Zhang, Shaoqing Wei, Qingjin Xu
Publikováno v:
IEEE Transactions on Applied Superconductivity. 30:1-4
Iron-based superconductor (IBS) is expected to be the next generation high temperature superconductor with their potential good properties for the high-field application. This study focus on exploration of the characteristics of IBS coils at high fie
Autor:
Dongliang Wang, Xianping Zhang, Yanwei Ma, Yanchang Zhu, Satoshi Awaji, Chao Yao, Fang Liu, Huajun Liu
Publikováno v:
IEEE Transactions on Applied Superconductivity. 29:1-5
Monofilament MgB2/Fe wires were fabricated by using internal Mg diffusion (IMD) process with ball milled crystalline boron powder. In this paper, the effect of C doping level and the ratio of Mg to B on these IMD-processed MgB2 wires were investigate
Publikováno v:
IEEE Transactions on Applied Superconductivity. 29:1-4
We fabricate a 1-meter-long AgSn-stainless steel composite superconducting tape via a flat rolling process. The transport critical current density J c at different temperatures and magnetic fields is substantially studied. At 4.2 K and 10 T, the J c
Publikováno v:
IEEE Transactions on Applied Superconductivity. 29:1-5
In 2017, Institute of Electrical Engineering of the Chinese Academy of Science successfully fabricated a 115-m Ag-sheathed Sr0.6K0.4Fe2As2 (Sr122) tape. In this paper, we measured the critical currents ( Ic ) of a sample cut from the 115-m tape at te
Autor:
Chao Yao, Yanchang Zhu, Zhe Cheng, Shifa Liu, Liu Li, He Huang, Xianping Zhang, Guangxian Xu, Yanwei Ma, Shangyu Huang
Publikováno v:
Physica C: Superconductivity and its Applications. 561:30-34
The transport performance of iron-based superconductor has been raised rapidly for the past few years, and the critical current density of single-core tape has surpassed 1.5 × 105 A/cm2 at 4.2 K and 10 T. In this work, 7-filament Ba1-xKxFe2As2/Ag ta
Publikováno v:
IEEE Transactions on Applied Superconductivity. 28:1-5
We fabricate Ag sheathed Sr-122 superconducting tapes via a scalable rolling process. The critical current density and its homogeneity are studied by electrical and magnetic measurements. At 4.2 K and 10 T, the transport critical current density J c
Publikováno v:
2020 23rd International Conference on Electrical Machines and Systems (ICEMS).
As an attractive new-type energy storage device, lithium-ion capacitor (LIC) has widespread commercial value and prospects for development in renewable energy and transportation. Aging behavior is an important indicator for evaluating application val
Autor:
Hung-Wei Yen, Jincheng Zhuang, Chao Yao, Simon P. Ringer, Shi Xue Dou, Xun Xu, Xiaolin Wang, Yi Du, Hongwei Liu, Yanwei Ma, Wai Kong Yeoh
Publikováno v:
Journal of Alloys and Compounds. 754:1-6
By a combination of microstructure analysis techniques, we reveal the structural origin of the extremely high supercurrent (up to the practical level of 0.1 MA/cm2 at 10 T, 4.2 K) in Sr0.6K0.4Fe2As2 (122) tape. Transmission Kikuchi diffraction analys