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Ceramic Superconducting Magnetic Bearings

Ceramic Superconducting Magnetic Bearings
陶瓷超导磁力轴承
批准号：
8718490
负责人：
Rishi Raj
金额：
$5.0万
依托单位：
Cornell University
依托单位国家：
美国
项目类别：
Standard Grant
财政年份：
1987
资助国家：
美国
项目状态：
已结题
起止时间：
1987-09-01 至 1989-02-28
来源：
https://www.nsf.gov/awardsearch/showAward?AWD_ID=8718490&HistoricalAwards=false
关键词：
CeramicSuperconductingMagneticBearings

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英文摘要
The objective of this project is to fabricate a frictionless bearing from High Tc ceramic superconductors which would operate above 77 K. Rare earth magnets with a magnetic flux density of approximately 1 Tesla will be used to provide levitation pressures of approximately 0.1 MPa (1 bar). Rotation speeds of 3,000 to 10,000 RPM will be attempted, although speeds upto 100,000 RPM may be possible. The research will include several tasks. The important ones being the processing of the ceramic housing from yttrium barium cuprate superconducting ceramic by the superplastic sinter-forging method, and the design and implementation of the cooling system.
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Polymer-Derived In-Situ Metal-Matrix Nanocomposites: A New Paradigm in Processing, Structure, and Properties of Dispersion Strengthened (copper) Alloys
  • 批准号：
    1105347
  • 项目类别：
    Continuing Grant
  • 资助金额：
    $46.0万
  • 财政年份：
    2011
  • 负责人：
    Rishi Raj
  • 依托单位：
    University of Colorado at Boulder
Collaborative Research: NanoDomain Structure and Multifunctional Properties of Polymer Derived Ceramics
  • 批准号：
    0907108
  • 项目类别：
    Standard Grant
  • 资助金额：
    $53.0万
  • 财政年份：
    2009
  • 负责人：
    Rishi Raj
  • 依托单位：
    University of Colorado at Boulder
NSF - (US-German) Materials Collaboration: Unusual Stability of Amorphous Polymer Derived Ceramics at High Temperatures
  • 批准号：
    0502781
  • 项目类别：
    Continuing Grant
  • 资助金额：
    $0.0万
  • 财政年份：
    2005
  • 负责人：
    Rishi Raj
  • 依托单位：
    University of Colorado at Boulder
Possibility of Unusually High Thermal Conductivity Along Metal Ceramic Interfaces in the Aluminum-Spinel System
  • 批准号：
    9610167
  • 项目类别：
    Standard Grant
  • 资助金额：
    $5.6万
  • 财政年份：
    1997
  • 负责人：
    Rishi Raj
  • 依托单位：
    University of Colorado at Boulder
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