GOALI: Engineering Coating Microstructure Through Advanced Plasma Spray Processing: Fuel Cell and Thermal Barrier Applications
GOALI:通过先进等离子喷涂处理工程涂层微观结构:燃料电池和热障应用
基本信息
- 批准号:0300484
- 负责人:
- 金额:$ 39.9万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2003
- 资助国家:美国
- 起止时间:2003-05-01 至 2007-04-30
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
This research is focused on developing enhanced plasma spray processing capabilities that will enable meeting the advanced materials and manufacturing requirements in two important areas: the emerging fuel-cell industry and advanced thermal barrier coatings (TBC) for engine and power applications. The research is directed at both expanding the science base needed to better understand the process-structure-property relationships critical for these applications, as well as utilizing this knowledge to develop an advanced real-time control system that more directly controls the process physics that determines the resulting microstructure. The benefit will be both in expanding the ability to engineer advanced coating systems as well as improving manufacturing capabilities. Our research approach is designed to bridge the gap between extensive parametric design of experiments studies and more fundamental studies of the process physics involving highly "idealized" conditions, such as single splats on smooth interfaces. Plasma spray is a high-throughput, economical, low environmental impact process that can be used to custom engineer coating microstructure to meet specific performance requirements. However, fuel-cell and advanced TBC applications, important to improving energy efficiency and reducing environmental impact, require the ability to engineer coating structure and meet manufacturing requirements (yield and variation levels) that are beyond today's current plasma spray capabilities. We focus on these two applications not only because of their importance, but because they involve the same ceramic material (yitria stablized zirconia, YSZ) but with significantly different microstructural requirements. We believe that by basing our development effort on a deeper knowledge of the process-structure relations, we will develop a control system that is generalizable and widely applicable. This research will be conducted by an interdisciplinary team of academic-industry researchers with expertise in materials, thermal-fluids, controls, manufacturing, and the application areas. We will take a combined modeling-experimental approach in order to better understand the complex process-structure issues under real processing conditions. Research areas include: a) developing a more complete understanding of the underlying physics that determines the process-structure relationships for critical coating features, b) developing non-dimensionalized models to relate the process physics and measurable process characteristics to production objectives such as coating thickness and deposition rate, c) investigating the distributed nature of the process in terms of its impact on coating structure and control requirements, and d) incorporating these elements explicitly into the architecture of an advanced control system. Guided by expertise from our industry co-PI's (GOALI Partners: Siemens-Westinghouse and Engelhard Surface Technologies), we will then evaluate these new capabilities in meeting the fuel-cell and TBC requirements. Building on our record over the past 9 years (50% of 38 undergraduate researchers were from underrepresented groups), we intend to continue actively involving underrepresented groups and undergraduate students in our research.
这项研究的重点是开发增强的等离子喷涂处理能力,以满足两个重要领域的先进材料和制造要求:新兴的燃料电池行业和用于发动机和动力应用的先进热障涂层(TBC)。该研究旨在扩大更好地了解这些应用关键的过程-结构-性能关系所需的科学基础,以及利用这些知识开发一种先进的实时控制系统,更直接地控制决定最终微观结构的过程物理。其好处将是扩大设计先进涂层系统的能力,以及提高制造能力。我们的研究方法旨在弥合实验研究的广泛参数设计与涉及高度“理想化”条件(如光滑界面上的单个飞溅)的过程物理学的更基础研究之间的差距。 等离子喷涂是一种高产量、经济、低环境影响的工艺,可用于定制工程涂层微观结构,以满足特定的性能要求。 然而,燃料电池和先进的TBC应用,重要的是提高能源效率和减少对环境的影响,需要有能力设计涂层结构,并满足制造要求(产量和变化水平),这超出了目前的等离子喷涂能力。 我们关注这两种应用不仅是因为它们的重要性,而且因为它们涉及相同的陶瓷材料(钇稳定氧化锆,YSZ),但具有显着不同的微观结构要求。 我们相信,通过基于我们的开发工作的过程-结构关系的更深入的了解,我们将开发一个控制系统,这是概括和广泛适用。 这项研究将由具有材料,热流体,控制,制造和应用领域专业知识的学术-工业研究人员组成的跨学科团队进行。为了更好地理解在真实的加工条件下的复杂工艺结构问题,我们将采取建模-实验相结合的方法。研究领域包括:a)发展对决定关键涂层特征的工艺-结构关系的基础物理学的更完整的理解,B)发展无量纲化模型以将工艺物理学和可测量的工艺特性与生产目标(例如涂层厚度和沉积速率)相关联,c)根据工艺对涂层结构和控制要求的影响来研究工艺的分布式性质,以及d)将这些元件明确地结合到先进控制系统的架构中。 在我们的行业合作伙伴(GOALI合作伙伴:西门子-西屋和恩格尔哈德表面技术公司)的专业知识的指导下,我们将评估这些新功能是否符合燃料电池和TBC的要求。 在我们过去9年的记录基础上(38名本科研究人员中有50%来自代表性不足的群体),我们打算继续积极参与代表性不足的群体和本科生的研究。
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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Michael Gevelber其他文献
Solidification modeling of plasma sprayed TBC: Analysis of remelt and multiple length scales of rough substrates
- DOI:
10.1361/105996302770348934 - 发表时间:
2002-06-01 - 期刊:
- 影响因子:3.300
- 作者:
Donald E. Wroblewski;Rajesh Khare;Michael Gevelber - 通讯作者:
Michael Gevelber
Towards closed-loop control of CVD coating microstructure
- DOI:
10.1016/0921-5093(95)10092-x - 发表时间:
1996-05-01 - 期刊:
- 影响因子:
- 作者:
Michael Gevelber;Manuel Toledo-Quin˜ones;Michael Bufano - 通讯作者:
Michael Bufano
Michael Gevelber的其他文献
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{{ truncateString('Michael Gevelber', 18)}}的其他基金
Real-Time Control for Engineering Electrospun Nanofiber Diameter Distributions for Advanced Applications
实时控制工程静电纺纳米纤维直径分布的高级应用
- 批准号:
0826106 - 财政年份:2008
- 资助金额:
$ 39.9万 - 项目类别:
Standard Grant
Advanced Instrumentation Development for Research and Education on Plasma Coating Crack Formation Fundamentals and Control
用于等离子涂层裂纹形成基础和控制研究和教育的先进仪器开发
- 批准号:
0114186 - 财政年份:2001
- 资助金额:
$ 39.9万 - 项目类别:
Standard Grant
Control Development and Modelling for Enhanced Crystal Growth: Application to Novel New Technologies and Extenstion of Conventional Capabilities
增强晶体生长的控制开发和建模:新技术的应用和传统能力的扩展
- 批准号:
0100310 - 财政年份:2001
- 资助金额:
$ 39.9万 - 项目类别:
Standard Grant
Integrated Plasma Deposition Processing for Advanced Controlof Coating Structure
用于先进控制涂层结构的集成等离子体沉积处理
- 批准号:
9713957 - 财政年份:1997
- 资助金额:
$ 39.9万 - 项目类别:
Continuing Grant
Accelerated MS in Manufacturing for Practicing Engineers
为执业工程师提供制造加速硕士学位
- 批准号:
9411525 - 财政年份:1994
- 资助金额:
$ 39.9万 - 项目类别:
Standard Grant
Real Time Control of Engineered Coating Microstructure by Chemical Vapor Desposition (CVD)
通过化学气相沉积 (CVD) 实时控制工程涂层微观结构
- 批准号:
9400328 - 财政年份:1994
- 资助金额:
$ 39.9万 - 项目类别:
Continuing grant
Modelling and Control of Plasma Deposition for Enhanced Materials Production
用于增强材料生产的等离子体沉积的建模和控制
- 批准号:
9300614 - 财政年份:1993
- 资助金额:
$ 39.9万 - 项目类别:
Continuing grant
System and Control Analysis of Low Pressure Plasma Deposition
低压等离子体沉积系统及控制分析
- 批准号:
8909997 - 财政年份:1989
- 资助金额:
$ 39.9万 - 项目类别:
Standard Grant
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