The Centrifugal Synthesis & Processing of Functionally Gradient Materials

离心合成

• 批准号: 9201685
• 负责人: Zuhair Munir
• 金额: $ 38.55万
• 依托单位: University of California-Davis
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 1992
• 资助国家: 美国
• 起止时间: 1992-09-01 至 1996-10-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9201685&HistoricalAwards=false
• 关键词: Centrifugal; Synthesis; & Processing; Functionally

This proposal outlined an interdisciplinary research program to synthesize, with a novel technique, functionally gradient materials (FGM), which are composites with a spatial gradient in composition. The novel process is to use centrifugal force to cause phase separations of fine particles in molten materials during the combustion synthesis. Two classes of experiments are included in the program: Combustion synthesis with centrifugation, and thermal melting of metals with centrifugation of fine particles into the melt. Two systems with potential commercial applications are selected for study: metal-ceramic and ceramic-ceramic composites with favorable structural properties, and novel electro-optic materials with compositional gradients chosen on the basis of their utility in gradient-index (GRIN) optical technology and quantum-dot optoelectronic structures. %%%% This study plans to synthesize functional gradient materials (FGM) using centrifugal force to cause phase separations of fine particles in molten materials during the combustion synthesis. Two systems with potential commercial applications are selected for study: metal-ceramic and ceramic-ceramic composites for structural applications, and electro-optic materials for optical and optoelectronic applications. The ability to synthesize FGM will increase the possibilities of commercial applications greatly.

该提案概述了一个跨学科的研究计划， 用新技术合成功能梯度材料 (FGM)，它们是在组成上具有空间梯度的复合材料。 新工艺是利用离心力使相 在熔融材料中的细颗粒的分离， 燃烧合成 两类实验包括在 程序：离心燃烧合成，热 熔融金属，并将细颗粒离心分离到 融化 具有潜在商业应用的两个系统是 研究对象：金属-陶瓷和陶瓷-陶瓷复合材料 具有良好的结构性能， 材料的成分梯度选择的基础上， 梯度折射率（GRIN）光学技术和量子点的实用性 光电结构 %%%% 本研究计划合成功能梯度材料（FGM） 利用离心力引起细颗粒的相分离 在燃烧合成过程中熔融材料中的颗粒。 两 选择具有潜在商业应用的系统， 研究：金属-陶瓷和陶瓷-陶瓷结构复合材料 应用，以及用于光学和 光电应用 合成FGM的能力将 大大增加了商业应用的可能性。