Expedited Awards for Novel Research: Combustive Synthesis ofSolids Such as Titanium Carbide
Expedited Awards for Novel Research: Combustive Synthesis ofSolids Such as Titanium Carbide
批准号:
8913556
负责人:
A. Murty Kanury
金额:
$2.97万
依托单位:
依托单位国家:
美国
项目类别:
Standard Grant
财政年份:
1989
资助国家:
美国
项目状态:
已结题
起止时间:
1989-05-15 至 1990-04-30
中文摘要
碳/钛粉燃烧已被证明是一种可行的合成TiC的技术。该方法的主要优点是减少了过程的能量需求(这是一个自我维持的放热反应)和在产品中达到的高温(3500k),为操纵晶体结构提供了独特的机会。过去的工作主要是由材料科学家进行的;然而,作为一名燃烧科学家的首席研究员,可以为这个领域提供很多东西。所提出的研究是新颖的,因为在更成熟的燃烧学科中发展的分析和实验方法将应用于SHS(自传播,高温合成)过程。由于传统的燃烧处理的是纯气态或冷凝相加上气态反应物形成气态产物,因此需要大量的工作来推广到固体反应物变成固体产物的情况。最终目标是为所有类型的燃烧过程建立一个统一的理论。
英文摘要
The combustion of carbon/titanium powders has been demonstrated to be a feasible technique for synthesizing TiC. The primary advantages of the method are the reduction in energy requirements for the process (it is a self-sustaining exothermic reaction) and the high temperature (3500 K) attained in the product, providing a unique opportunity for manipulating the crystalline structure. Work in the past has been conducted primarily by material scientists; however there is much which can be offered to the field by the principal investigator who is a combustion scientist. The proposed research is novel in that analytical and experimental approaches developed in the more mature discipline of combustion are to be applied to the SHS (Self- propagating, High temperature Synthesis) process. Since combustion deals traditionally with pure gaseous or condensed phase plus gaseous reactants forming gaseous products, a good deal of work is required to generalize to the solid reactants going to solid products case. The ultimate goal is to develop a unified theory for all classes of combustion processes.
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