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
基本信息
- 批准号:9530258
- 负责人:
- 金额:$ 17.99万
- 依托单位:
- 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
- 起止时间:1996-07-01 至 1999-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
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. ***
9530258 Du将研究氮化硅材料在高温下在干氧和湿氧中的腐蚀。 将特别强调铝注入的影响,并将评估钠污染的影响。 将在腐蚀过程的各个阶段详细描述表面成分和微观结构,并将其与腐蚀速率相关联,腐蚀速率将通过原位厚度测量(包括激光反射率,并辅以非原位椭圆偏振和轮廓测量)确定。 将构建一个动力学模型来描述腐蚀过程,并评估腐蚀速率常数,速率控制物种的扩散率值,以及它们的温度依赖性。 ***
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Henry Du其他文献
Fabrication and characterization of solid-core photonic crystal fiber with steering-wheel air-cladding for strong evanescent field overlap
- DOI:
10.1016/j.optcom.2007.08.071 - 发表时间:
2008-01-01 - 期刊:
- 影响因子:
- 作者:
Yinian Zhu;Ryan T. Bise;Jiri Kanka;Pavel Peterka;Henry Du - 通讯作者:
Henry Du
Henry Du的其他文献
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{{ truncateString('Henry Du', 18)}}的其他基金
GOALI: Nanostructured Sapphire Optical Fiber for Sensing in Harsh Environment
GOALI:用于恶劣环境中传感的纳米结构蓝宝石光纤
- 批准号:
1506179 - 财政年份:2015
- 资助金额:
$ 17.99万 - 项目类别:
Continuing Grant
NSF Workshop on US-Czech Frontiers in Photonics
NSF 美国-捷克光子学前沿研讨会
- 批准号:
1314917 - 财政年份:2013
- 资助金额:
$ 17.99万 - 项目类别:
Standard Grant
EAGER: Microstructured Sapphire Optical Fiber for SERS Sensing and Measurements at Elevated Temperatures
EAGER:用于高温下 SERS 传感和测量的微结构蓝宝石光纤
- 批准号:
1325367 - 财政年份:2013
- 资助金额:
$ 17.99万 - 项目类别:
Standard Grant
Lab-in-a-Fiber Optofluidic Platform: In-Situ Assembly and Response of Layer-by-Layer Polyelectrolyte Films in Confined Geometry
光纤光流控实验室平台:有限几何结构中逐层聚电解质薄膜的原位组装和响应
- 批准号:
1206669 - 财政年份:2012
- 资助金额:
$ 17.99万 - 项目类别:
Standard Grant
GOALI: Core-to-Cladding-to-Core Mode Coupling and Recoupling in Photonic Crystal Fiber with Long Period Gratings for Resonance Laser Absorption Spectroscopy
GOALI:用于共振激光吸收光谱的具有长周期光栅的光子晶体光纤中的纤芯到包层到纤芯的模式耦合和再耦合
- 批准号:
0922175 - 财政年份:2009
- 资助金额:
$ 17.99万 - 项目类别:
Standard Grant
NIRT: Photonic Crystal Fibers with Nanoscale Functionalized Air Holes as Robust Chemical and Biological Sensors
NIRT:具有纳米级功能化气孔的光子晶体纤维作为坚固的化学和生物传感器
- 批准号:
0404002 - 财政年份:2004
- 资助金额:
$ 17.99万 - 项目类别:
Standard Grant
NER: Fabrication of an Integrated Structure of 3D Macroporous Silica and Carbon Nanotubes
NER:3D 大孔二氧化硅和碳纳米管集成结构的制造
- 批准号:
0210195 - 财政年份:2002
- 资助金额:
$ 17.99万 - 项目类别:
Standard Grant
Mixed Alkali Effect for Mitigation of Sodium-Accelerated Corrosion of Silicon Nitride Ceramics
混合碱效应减缓氮化硅陶瓷钠加速腐蚀
- 批准号:
0102340 - 财政年份:2001
- 资助金额:
$ 17.99万 - 项目类别:
Continuing Grant
U.S.-Korea Cooperative Research: Alteration of the Effects of Sintering Additives on the Oxidation & Tribological Behavior of Silicon Nitride
美韩合作研究:改变烧结添加剂对氧化的影响
- 批准号:
9710142 - 财政年份:1997
- 资助金额:
$ 17.99万 - 项目类别:
Standard Grant
Oxidation Studies of Silicon Oxynitride Ceramics Using Time-Resolved Laser Reflectance
利用时间分辨激光反射率研究氮氧化硅陶瓷的氧化
- 批准号:
9401856 - 财政年份:1994
- 资助金额:
$ 17.99万 - 项目类别:
Continuing Grant
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