Preparation of Fibers of Bi-Based Superconducting Ceramics

铋基超导陶瓷纤维的制备

基本信息

  • 批准号:
    02555160
  • 负责人:
  • 金额:
    $ 1.73万
  • 依托单位:
  • 依托单位国家:
    日本
  • 项目类别:
    Grant-in-Aid for Developmental Scientific Research (B)
  • 财政年份:
    1990
  • 资助国家:
    日本
  • 起止时间:
    1990 至 1991
  • 项目状态:
    已结题

项目摘要

1. Fine rods, Coils :(1)A given shape of precursor ceramics such as fine rods mm diameter)and coils in the system of Bi-Sr-Ca-Cu-0 was successfully fabricated by a vacuum casting of the melts into a given shape of silica glass tube ; the glassy precursors, as-cast specimens, were converted into superconducting polycrystalline ceramics by reheating them at around 800'C. The optimum heating conditions for heating temperature and-duration time were determined, and discussed in terms of oxygen absorption during heating of the specimen. Superconducting fine rods(Tc 85K)up to 50 cm length were easily prepared by this process.(2)Up to date, the precursor as-cast ceramics have been heated in oxygen-containing atmosphere in order for the conversion into superconducting ceramics. In this study, we found that the as-cast rods of Ag2O-doped melts are converted into superconductor when heated in a vacuum sealed-vessel, i. e., in oxygen-free atmosphere. This finding indicates x, 7e are able to fabricate a desired shape of superconducting Bi-based ceramics sealed in glasses.2. Whiskers : Optimum preparation conditions of superconducting whiskers (2212 phase) were determined and discussed in terms of Al_2O_3 additives.
1.细棒、线圈:(1)用真空浇注法制备了Bi-Sr-Ca-Cu-0系的细棒和线圈等形状的陶瓷前驱体,并将其在800 ℃左右加热,得到了超导多晶陶瓷。确定了最佳的加热温度和加热时间,并讨论了试样加热过程中的吸氧量。用这种方法可以很容易地制备出长达50 cm的超导细棒(Tc 85 K)。(2)Up迄今为止,为了转化成超导陶瓷,已经在含氧气氛中加热前体铸态陶瓷。在本研究中,我们发现掺Ag_2 O熔体的铸态棒在真空密封容器中加热时,即在室温下加热时,可以转变为超导体。例如,在无氧气氛中。这一发现表明x,7 e能够制备出所需形状的玻璃封接的Bi基超导陶瓷.晶须:确定了2212相超导晶须的最佳制备条件,并从Al_2O_3添加剂的角度进行了讨论。

项目成果

期刊论文数量(18)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
K.Hirata & Y.Abe: "Superconducting Glass-Ceramics in BiSrCACu_2Al_<0.5>Ox… Comparison Between Rod and Powder-Compacted Specimens" Journal of Materials Research. 6. 1156-1159 (1991)
K.Hirata 和 Y.Abe:“BiSrCACu_2Al_<0.5>Ox 中的超导玻璃陶瓷……棒材和粉末压实样品之间的比较”材料研究杂志 6. 1156-1159 (1991)。
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    0
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W.H.Lee&Y.Abe: "Ettects of Melting Temperature on the Properties of High Superconducting Bi_2 Sr_2 Ca Cu_2 Ox GlassーCeramics" Proceedings of 3rd International Symposium on Supercnductivity. (1991)
W.H.Lee&Y.Abe:“熔化温度对高超导Bi_2Sr_2CaCu_2Ox玻璃陶瓷性能的影响”第三届国际超导性研讨会论文集(1991)。
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    0
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  • 通讯作者:
Y. Abe, K. Hirata H. Hosono, Y. Kubo: "Effect of Al_2O_3-Additives on the Formation of Superconducting Whiskers (2212 phase) in Melt-Quenched BiSrCaCu_2O_X" Journal of Materials Research. 7(7). (1992)
Y. Abe、K. Hirata H. Hosono、Y. Kubo:“Al_2O_3 添加剂对熔融淬火 BiSrCaCu_2O_X 中超导晶须(2212 相)形成的影响”材料研究杂志。
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    0
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ABE Yoshihiro其他文献

Analysis of the cellular phenotype in a mouse model of commensal bacteria triggerd autoimmune pancreatitis
共生菌引发自身免疫性胰腺炎小鼠模型的细胞表型分析
  • DOI:
  • 发表时间:
    2013
  • 期刊:
  • 影响因子:
    0
  • 作者:
    HARUTA Ikuko;OMORI-MIYAKE Miyuki;HIGUCHI Tomoaki;YANAGISAWA Naoko;ABE Yoshihiro;SHIRATORI Keiko;YAGI Junji
  • 通讯作者:
    YAGI Junji
Extra-pancreatic involvement in repeated Escherichia coli inoculated mice harboring AIP-like pancreatitis
重复接种大肠杆菌的小鼠出现 AIP 样胰腺炎的胰腺外受累
  • DOI:
  • 发表时间:
    2014
  • 期刊:
  • 影响因子:
    0
  • 作者:
    HIGUCHI Tomoaki;HARUTA Ikuko;YANAGISAWA Naoko;SHIMIZU Kyoko;ABE Yoshihiro;OMORI-MIYAKE Miyuki;FURUKAWA Toru;SHIRATORI Keiko;YAGI Junji
  • 通讯作者:
    YAGI Junji
Commensal flora as a pathogenic factor of autoimmune pancreatitis and associated diseases
共生菌群作为自身免疫性胰腺炎及相关疾病的致病因子
  • DOI:
  • 发表时间:
    2014
  • 期刊:
  • 影响因子:
    0
  • 作者:
    HARUTA Ikuko;YANAGISAWA Naoko;SHIMIZU Kyoko;OMORI-MIYAKE Miyuki;ABE Yoshihiro;HIGUCHI Tomoaki;FURUKAWA Toru;SHIRATORI Keiko;YAGI Junji
  • 通讯作者:
    YAGI Junji
Commensal bacteria may be involved in the pathogenesis of autoimmune pancreatitis
共生菌可能参与自身免疫性胰腺炎的发病机制
  • DOI:
  • 发表时间:
    2012
  • 期刊:
  • 影响因子:
    0
  • 作者:
    HARUTA Ikuko;OMORI-MIYAKE Miyuki;YANAGISAWA Naoko;ABE Yoshihiro;SHIRATORI Keiko;YAGI Junji
  • 通讯作者:
    YAGI Junji
細菌の多細胞的振る舞い"バイオフィルム"の形成機構の解明と制圧に向けた試み
阐明细菌的多细胞行为“生物膜”的形成机制,并尝试对其进行控制
  • DOI:
  • 发表时间:
    2013
  • 期刊:
  • 影响因子:
    0
  • 作者:
    HARUTA Ikuko;OMORI-MIYAKE Miyuki;YANAGISAWA Naoko;ABE Yoshihiro;SHIRATORI Keiko;YAGI Junji;水之江義充
  • 通讯作者:
    水之江義充

ABE Yoshihiro的其他文献

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{{ truncateString('ABE Yoshihiro', 18)}}的其他基金

Ideals on P\kappa\lambda which does not depend on large cardinals
Pkappalambda 上的理想不依赖于大基数
  • 批准号:
    23540167
  • 财政年份:
    2011
  • 资助金额:
    $ 1.73万
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
Infinite combinatorial principles and compact cardinals
无限组合原理和紧基数
  • 批准号:
    20540142
  • 财政年份:
    2008
  • 资助金额:
    $ 1.73万
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
Ideals on P_κλ considered from the point of view of the relation with large cardinals axioms and the generalized continuum hypothesis
从与大基数公理和广义连续统假设的关系角度考虑P_κλ的思路
  • 批准号:
    18540143
  • 财政年份:
    2006
  • 资助金额:
    $ 1.73万
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
Applications of pcf to ideals on P_κλ and infinitary combinatorics, and independence proof
PCF 在 P_κλ 理想和无穷组合学中的应用以及独立性证明
  • 批准号:
    16540127
  • 财政年份:
    2004
  • 资助金额:
    $ 1.73万
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
Ideals on Ρ_κλ and infinitary combinatorics related to large cardinal axiom
关于 Ρ_κλ 和与大基数公理相关的无限组合学的想法
  • 批准号:
    14540142
  • 财政年份:
    2002
  • 资助金额:
    $ 1.73万
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
Applications of forcing and large cardinal axioms to infinitary combinatorics
强迫和大基数公理在无限组合学中的应用
  • 批准号:
    12640143
  • 财政年份:
    2000
  • 资助金额:
    $ 1.73万
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
Independence proof concerning compact cardinals, continuum hypotbesis, and normal ultrafilters
关于紧基数、连续统假设和普通超滤器的独立性证明
  • 批准号:
    09640299
  • 财政年份:
    1997
  • 资助金额:
    $ 1.73万
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
Grant-in-Aid for Scientific Research (B)
科学研究补助金 (B)
  • 批准号:
    07455265
  • 财政年份:
    1995
  • 资助金额:
    $ 1.73万
  • 项目类别:
    Grant-in-Aid for Scientific Research (B)
Preparation and Application of New Amorphous Materials in Non-chalcogenide System
非硫系新型非晶材料的制备及应用
  • 批准号:
    62470062
  • 财政年份:
    1987
  • 资助金额:
    $ 1.73万
  • 项目类别:
    Grant-in-Aid for General Scientific Research (B)
Development and Its application of Calcium Phosphate Glass-Ceramics for biomaterials
生物材料用磷酸钙微晶玻璃的研制及其应用
  • 批准号:
    61850141
  • 财政年份:
    1986
  • 资助金额:
    $ 1.73万
  • 项目类别:
    Grant-in-Aid for Developmental Scientific Research
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