CAREER: Development and Experimental Validation of Percolation Theory for Interfacial Networks in Materials

职业：材料界面网络渗流理论的发展和实验验证

• 批准号: 0346848
• 负责人: Christopher Schuh
• 金额: $ 47.57万
• 依托单位: Massachusetts Institute of Technology
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 2004
• 资助国家: 美国
• 起止时间: 2004-02-15 至 2009-01-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0346848&HistoricalAwards=false
• 关键词: CAREER; Development; Experimental; Validation; Percolation

This CAREER award to Massachusetts Institute of Technology is to study interfacial networks in polycrystalline materials and to tailor the network interfaces treating the network as a complex system, and to understand interfacial network topology, and, specifically, the long-range connectivity of interfaces with 'desirable' and 'detrimental' properties. Computational modeling and experimental approaches will be utilized to design metallic microstructures with the ultimate aim of quantifying microstructures and correlating their properties. In the broader impact of this award, research and teaching will be integrated with the involvement of students at all levels of education, including graduate, undergraduate, and secondary. Upgrading undergraduate level teaching of materials and organizing interactive programs with local high school students through scientific demonstrations are stated goals of this award.Computational modeling and experimental approaches will be utilized to design metallic microstructures to understand interfacial network topology, and, specifically, the long-range connectivity of interfaces with 'desirable' and 'detrimental' properties. The ultimate goal of these studies would be quantifying microstructures and correlating their properties. Potential applications of these studies include those materials, which would benefit through grain boundary engineering processing such as high temperature nickel-based super alloys, and low temperature semiconductors and devices including materials used in micro-electromechanical systems. In the broader impact of this award, research and teaching will be integrated with the involvement of graduate, undergraduate and secondary school students. Interactive programs including scientific demonstrations will be organized for local high school students to educate them about the privileges, benefits and challenges involved in a science career.

这项授予麻省理工学院的CAREER奖旨在研究多晶材料中的界面网络，并将网络视为一个复杂的系统来定制网络接口，并了解界面网络拓扑结构，特别是具有“理想”和“有害”特性的界面的远程连接。计算模型和实验方法将被用于设计金属微观结构，最终目的是量化微观结构和关联它们的性质。在该奖项更广泛的影响下，研究和教学将与包括研究生、本科生和中学在内的各级教育学生的参与相结合。该奖项的目标是提高本科水平的教学材料，并通过科学演示与当地高中生组织互动项目。计算建模和实验方法将用于设计金属微结构，以了解界面网络拓扑结构，特别是具有“理想”和“有害”特性的界面的远程连通性。这些研究的最终目标是量化微观结构并将它们的性质联系起来。这些研究的潜在应用包括那些将受益于晶界工程处理的材料，如高温镍基超级合金，以及低温半导体和器件，包括用于微机电系统的材料。在这个奖项更广泛的影响下，研究和教学将与研究生、本科生和中学生的参与相结合。将为当地高中生组织包括科学演示在内的互动节目，让他们了解从事科学事业的特权、好处和挑战。