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Role of Aluminum Surface Alloying in Improving the CorrisionResistance of Silicon Nitride Ceramics in Harsh Environments

Role of Aluminum Surface Alloying in Improving the CorrisionResistance of Silicon Nitride Ceramics in Harsh Environments
铝表面合金化对提高氮化硅陶瓷在恶劣环境下的耐腐蚀性的作用
批准号:
9530258
负责人:
Henry Du
金额:
$17.99万
依托单位国家:
美国
项目类别:
Standard Grant
财政年份:
1996
资助国家:
美国
项目状态:
已结题
起止时间:
1996-07-01 至 1999-12-31

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英文摘要
9530258 Du The corrosion of silicon nitride materials at high temperature in dry and wet oxygen will be studied. The effects of aluminum implantation will receive special emphasis and the effects of sodium contamination will be evaluated. The surface composition and microstructure will be characterized in detail at various stages of the corrosion process and correlated with corrosion rates which will be determined by in-situ thickness measurements involving laser reflectance complemented by ex-situ ellipsometry and profilometry measurements. A kinetic model will be constructed to describe the corrosion process and to evaluate corrosion rate constants, diffusivity values of rate-controlling species, and their temperature dependence. ***
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GOALI: Nanostructured Sapphire Optical Fiber for Sensing in Harsh Environment
  • 批准号:
    1506179
  • 项目类别:
    Continuing Grant
  • 资助金额:
    $40.67万
  • 财政年份:
    2015
  • 负责人:
    Henry Du
  • 依托单位:
NSF Workshop on US-Czech Frontiers in Photonics
  • 批准号:
    1314917
  • 项目类别:
    Standard Grant
  • 资助金额:
    $4.45万
  • 财政年份:
    2013
  • 负责人:
    Henry Du
  • 依托单位:
EAGER: Microstructured Sapphire Optical Fiber for SERS Sensing and Measurements at Elevated Temperatures
  • 批准号:
    1325367
  • 项目类别:
    Standard Grant
  • 资助金额:
    $13.05万
  • 财政年份:
    2013
  • 负责人:
    Henry Du
  • 依托单位:
Lab-in-a-Fiber Optofluidic Platform: In-Situ Assembly and Response of Layer-by-Layer Polyelectrolyte Films in Confined Geometry
  • 批准号:
    1206669
  • 项目类别:
    Standard Grant
  • 资助金额:
    $38.96万
  • 财政年份:
    2012
  • 负责人:
    Henry Du
  • 依托单位:
国内基金
海外基金
Aluminum/CFRP 混合管界面分层对渐进折叠机制影响研究
  • 批准号:
    ZCLQN26E0501
  • 项目类别:
    省市级项目
  • 资助金额:
    --
  • 批准年份:
    2026
  • 负责人:
    沈勇
  • 依托单位: