MRI: Development of a Multi-Scale Thermal-Mechanical-Spectroscopic System for in-Situ Materials Characterization, Research, and Training

该主要研究仪器奖支持中央佛罗里达大学（UCF）开发用于原位材料表征，研究和培训的多尺度热机械光谱系统（TMS）。该仪器将支持在多个长度尺度、压力、机械载荷和温度范围内同时进行热、机械和光谱（TMS）测量。该仪器将能够准确评估和预测材料/设备在真实操作条件下的行为，研究变形微观力学，监测结构变化和预测寿命，以表征宏观/微观长度尺度上的材料。该仪器将是理想的捕捉以前无法在现实条件下的材料行为方面。这种仪器的开发将产生一种革命性的工具，有可能提出新的研究成果，同时跨越能源领域的广泛应用（例如，民用基础设施（例如，桥梁），防御（例如，高性能飞机、装甲）。该项目提供了对等学习和指导博士后的机会，研究生和本科生将参与构建子系统并将其集成到仪器中。接触仪器开发和与最先进设备的集成将加强学生在理论设计的实际应用中的教育，为他们提供高端仪器设计过程的经验，并扩大他们的研究重点，以考虑现场技术，扩大现有的研究领域，并导致新的研究领域。 所开发的系统将在铀转化设施提供给用户。材料和零件的初始和不断变化的机械性能的知识是必不可少的，以检测不良的裂纹生长，相变，纹理，微裂纹或其他结构/几何不稳定性，可能导致灾难性的故障，特别是当组件在操作中。支持多个长度尺度，压力，机械载荷和温度的同时热机械光谱（TMS）测量的仪器的开发将首次实现实现这种知识的能力，因为材料在接近操作条件下进行原位评估。这项来自主要研究仪器计划的奖项支持中央佛罗里达大学开发TMS系统。奥兰多中央佛罗里达大学将提供所开发的系统，用于在室温或高温下在不同环境的复杂载荷条件下对各种长度尺度的材料进行现场结构表征和测试。该项目将吸引学生和博士后，他们将成为下一代仪器开发人员。

This Major Research Instrumentation award supports the University of Central Florida (UCF) with the development of a Multi-Scale Thermal-Mechanical-Spectroscopic System (TMS) for in-situ materials characterization, research, and training. The instrument will support simultaneous thermal, mechanical, and spectroscopic (TMS) measurements over multiple length scales, pressures, mechanical loads, and temperatures. The instrument will enable accurate assessment and prediction of material/devices behavior under real-world operating conditions, studies of deformation micromechanics, monitoring structural changes and predicting lifetime, to characterizing materials over macro-/micro-length scales. The instrument will be ideal for capturing previously inaccessible aspects of material behavior under realistic conditions. This instrument development will result in a revolutionary tool with the potential to present new research findings, while spanning a wide range of applications in energy (e.g., turbomachinery), civil infrastructure (e.g., bridges), defense (e.g., high-performance aircrafts, armor). The project presents opportunities for peer-to-peer learning and mentoring of postdocs, and graduate and undergraduate students who will participate in building subsystems and integrating them into the instrument. The exposure to instrument development and integration with a state of the art equipment will enhance the education of the students in practical applications of theoretical designs, provide them with the experience of the design process for high-end instrumentation and expand their research focus to consider in situ techniques to expand existing research areas and lead to new fields of research. The developed system will be available to users at UCF.****Knowledge of initial and evolving mechanical properties of materials and parts is indispensable to detect undesirable crack growth, phase transitions, texturing, microcracking or other structural/geometrical instabilities that can lead to disastrous failure, particularly when components are in operation. The development of an instrumentation that supports simultaneous thermal-mechanical-spectroscopic (TMS) measurements over multiple length scales, pressures, mechanical loads, and temperatures will, for the first time, enable the capability to achieve such knowledge, as materials are evaluated in-situ under near-operational conditions. This award from the Major Research Instrumentation program supports the University of Central Florida with the development of a TMS system. The developed system for in-situ structural characterization and testing of materials on the various length scales under complex loading conditions at room or elevated temperatures in different environments will be available at the University of Central Florida, Orlando. The project will engage students and postdocs who will become the next generation of instrument developers.