Collaborative Research: US-Germany: Achieving breakthroughs in the mechanics of high temperature ceramic coatings with novel thermal-gradient mechanical fatigue studies

这一奖项促进了具有长期目标的协同国际合作，使人们能够在理解高温陶瓷涂层在运行环境下的降解和失效机制方面取得突破。来自中佛罗里达大学、美国特拉华大学和德国DLR航空航天中心的研究人员将合作，利用新的几何结构和高分辨率技术进行基础实验和模拟，以量化这些涂层在热梯度-机械疲劳(TGMF)条件下的原位应变演化。催化活动将由团队联合进行，同步加速器研究将为研究生和本科生提供机会，通过国际合作活动丰富他们的研究和教育。这项研究的智能优势和独特性在于：i)在运行和真实环境下原位捕捉陶瓷涂层内的退化机制；ii)结合强大和互补的实验和模拟技术，以获得高分辨率的结果。这项研究将受益于美国和德国合作者在仪器方面取得的个人专业知识和进步，将高分辨率测量(UCF)和模拟(UD)与tgmf测试能力(德国DLR)相结合。通过这项工作将建立高温涂层研究中经常回避的复杂的热机械环境，从而在实现这些材料的真实力学模型方面取得突破。这项研究在创造新一代能源和推进需求的新型高温陶瓷涂层方面具有深远的社会效益。国际合作研究的教育影响通过以下方式实现：i)交流实验和模拟方面的高分辨率技术知识；ii)研究生和本科生有机会在以各自专长为重点的高度先进的设施中体验合作研究；iii)从全球工程和研究的角度看待计划中的活动，为学生提供未来取得国际合作成功的能力。国际经验将通过由学员主讲的讲演推广到个别院校的学生。

This award catalyzes a synergistic international collaboration with long-term goals to enable breakthroughs in the understanding of degradation and failure mechanisms in high temperature ceramic coatings, under operational environments. Researchers from the University of Central Florida, University of Delaware in the US and DLR Aerospace Center in Germany will collaborate to perform fundamental experiments and simulations with novel geometries and high resolution techniques to quantify the in situ evolution of strain in these coatings under thermal gradient-mechanical fatigue (TGMF) conditions. The catalyzing activities will be jointly conducted by the team, supported with synchrotron studies providing opportunities for graduate and undergraduate students to enrich their research and education with international collaborative activities. The intellectual merit and uniqueness of the research lies in i) the in situ capture of degradation mechanisms within ceramic coatings under operational and real environments; and ii) the combination of powerful and complementary experimental and simulation techniques for high resolution results. The research will benefit from the individual expertise and advances in instrumentation achieved by the US and German collaborators, to integrate high-resolution measurements (UCF) and simulation (UD) with TGMF test capabilities (DLR, Germany). The complex thermo-mechanical environment, often eluded in studies of high temperature coatings, will be established through this work leading to breakthroughs in achieving realistic mechanics models for these materials.The research has far reaching societal benefits in creating a new class of high temperature ceramic coatings for next generation energy and propulsion needs. The educational broader impact of the international collaborative research is achieved through i) an exchange of knowledge of high resolution techniques in experimentation and simulation ii) opportunities for students at the graduate and undergraduate levels to experience collaborative research in highly advanced facilities focused on each expertise, iii) a global engineering and research perspective with planned activities, providing students with the capabilities for future international collaborative success. The international experience will be extended to students at individual institutions through presentations led by the participants.