Processing of Ternary High Temperature Ceramic Composites With Enhanced Properties

性能增强的三元高温陶瓷复合材料的加工

基本信息

  • 批准号:
    0758584
  • 负责人:
  • 金额:
    $ 15.2万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Standard Grant
  • 财政年份:
    2008
  • 资助国家:
    美国
  • 起止时间:
    2008-08-15 至 2012-01-31
  • 项目状态:
    已结题

项目摘要

The research objective of this award is to gain fundamental understanding of processing-microstructure-property correlations in the fabrication of high-temperature ternary composite ceramics, processed by Spark Plasma Sintering (SPS). The specific aims of the project are to: 1) sinter by SPS zirconium diboride (ZrB2) and hafnium diboride (HfB2) model samples and evaluate their material properties; 2) synthesize zirconium(hafnium)diboride-silicon carbide-zirconium carbide (Zr(Hf)B2-SiC-ZrC) ultra-high temperature ceramics by SPS; 3) examine the effects of heating rate and the application of an electrical field on the sample density and microstructure; and 4) achieve compositional control of these material systems. The resulting composites are expected to display excellent high-temperature structural properties, good electrical and thermal conductivity, chemical inertness against molten metals, and very good thermal shock resistance. If successful, the results of this research will lead to the development of the processing science necessary to manufacture bulk ultra-high temperature ceramics (UHTC) with fine microstructure, improved mechanical properties, high density and higher heat and oxidation resistance than materials presently available. Other important expected advances include understanding the interplay of pulse current, temperature and pressure effects on UHTC sintering and coarsening at different length scales; development of a consistent process design/characterization methodology that is applicable to UHTCs for large and net shape parts; and systematic defect characterization for quality control in the fabrication of ultra-high temperature ceramics. It is also anticipated that the results of this investigation will improve overall confidence in using SPS as an advanced processing technique for manufacturing ultra-high temperature ceramics as thermal protection materials for various applications.
该奖项的研究目标是获得对放电等离子烧结(SPS)加工的高温三元复合陶瓷制造中的加工-微观结构-性能相关性的基本理解。 该项目的具体目标是:1)采用SPS烧结二硼化锆(ZrB 2)和二硼化铪(Hf B 2)模型样品并评价其材料性能; 2)采用SPS合成二硼化锆(Hf)-碳化硅-碳化锆(Zr(Hf)B2-SiC-ZrC)超高温陶瓷; 3)检查加热速率和施加电场对样品密度和微观结构的影响;以及4)实现这些材料系统的成分控制。预计所得复合材料将显示出优异的高温结构性能、良好的导电性和导热性、对熔融金属的化学惰性以及非常好的抗热震性。如果成功的话,这项研究的结果将导致制造具有精细微观结构、改善的机械性能、高密度和比现有材料更高的耐热性和抗氧化性的大块超高温陶瓷(UHTC)所需的加工科学的发展。 其他重要的预期进展包括了解脉冲电流的相互作用,温度和压力对UHTC烧结和粗化在不同的长度尺度的影响;开发一个一致的工艺设计/表征方法,适用于UHTCs的大型和净形状的部分;和系统的缺陷表征超高温陶瓷的制造质量控制。 还预计,这项调查的结果将提高整体信心,使用SPS作为先进的加工技术,用于制造超高温陶瓷作为热保护材料的各种应用。

项目成果

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Lia Stanciu其他文献

Stimulus responsive wireless sensor integrated smart urine bag for early detection of catheter-associated infections
  • DOI:
    10.1016/j.snb.2024.136990
  • 发表时间:
    2025-03-01
  • 期刊:
  • 影响因子:
  • 作者:
    Muhammad Masud Rana;Akshay Krishnakumar;Sarath Gopalakrishnan;Yashwanth Ramesh;Praveen Srinivasan;Lia Stanciu;Rahim Rahimi
  • 通讯作者:
    Rahim Rahimi
Simultaneous colorimetric and electrochemical detection of trace mercury (Hgsup2+/sup) using a portable and miniaturized aptasensor
使用便携式微型适体传感器同时进行比色和电化学检测痕量汞(Hg²⁺)
  • DOI:
    10.1016/j.bios.2022.114419
  • 发表时间:
    2023-02-01
  • 期刊:
  • 影响因子:
    10.500
  • 作者:
    Ana M. Ulloa-Gomez;Alec Lucas;Abbey Koneru;Amit Barui;Lia Stanciu
  • 通讯作者:
    Lia Stanciu

Lia Stanciu的其他文献

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{{ truncateString('Lia Stanciu', 18)}}的其他基金

EAGER: Addressing the Cyclospora Cayetanensis Detection Gap: A DNA Aptamer and Microfluidic Device Approach
EAGER:解决 Cyclospora Cayetanensis 检测差距:DNA 适体和微流体装置方法
  • 批准号:
    2348775
  • 财政年份:
    2024
  • 资助金额:
    $ 15.2万
  • 项目类别:
    Standard Grant
Development of an Airborne Pathogen Capture and Detection System
空气传播病原体捕获和检测系统的开发
  • 批准号:
    2127756
  • 财政年份:
    2022
  • 资助金额:
    $ 15.2万
  • 项目类别:
    Standard Grant
RAPID: A Surface-Based Detection Platform for SARS-CoV-2
RAPID:基于表面的 SARS-CoV-2 检测平台
  • 批准号:
    2027554
  • 财政年份:
    2020
  • 资助金额:
    $ 15.2万
  • 项目类别:
    Standard Grant
Li-Ion Battery Ceramics: Structural and Microstructural Evolution Mechanisms of Processing under an Electric Field
锂离子电池陶瓷:电场加工的结构和微观结构演化机制
  • 批准号:
    1305694
  • 财政年份:
    2013
  • 资助金额:
    $ 15.2万
  • 项目类别:
    Continuing Grant
Hybrid Materials for Life Science Applications
用于生命科学应用的混合材料
  • 批准号:
    1304694
  • 财政年份:
    2013
  • 资助金额:
    $ 15.2万
  • 项目类别:
    Standard Grant
Collaborative Research: Engineering Design of Oxygen Rich Surfaces for Bioelectrodes
合作研究:生物电极富氧表面的工程设计
  • 批准号:
    1200066
  • 财政年份:
    2012
  • 资助金额:
    $ 15.2万
  • 项目类别:
    Standard Grant
2009 International Conference on Nanotechnology for the Forest Products Industry
2009年林产品工业纳米技术国际会议
  • 批准号:
    0937005
  • 财政年份:
    2009
  • 资助金额:
    $ 15.2万
  • 项目类别:
    Standard Grant
2008 International Conference on Nanotechnology for the Forest Products Industry; St. Louis, Missouri; June 25-27, 2008
2008年林产品工业纳米技术国际会议;
  • 批准号:
    0819068
  • 财政年份:
    2008
  • 资助金额:
    $ 15.2万
  • 项目类别:
    Standard Grant
Collaborative Research: Biomagnetic Glasses: Preparation, Characterization and Biosensor Applications
合作研究:生物磁性玻璃:制备、表征和生物传感器应用
  • 批准号:
    0804464
  • 财政年份:
    2008
  • 资助金额:
    $ 15.2万
  • 项目类别:
    Continuing Grant
IRES: U.S.-France International Research Experience on Toxicity Biosensors: Towards Novel Sensor Architectures, Detection Schemes and Applications
IRES:美国-法国毒性生物传感器国际研究经验:迈向新型传感器架构、检测方案和应用
  • 批准号:
    0728130
  • 财政年份:
    2007
  • 资助金额:
    $ 15.2万
  • 项目类别:
    Standard Grant

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三元氢化物高温超导体的数据科学结构搜索
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