U.S.-France Cooperative Research: Anisotropy in Shrinkage during Sintering

0129226Zavaliangos这个为期三年的奖项支持德雷塞尔大学的Antonios Zavaliangos和法国格勒诺布尔国立理工学院的Didier Bouvard在金属和陶瓷粉末制造方面的美法合作。他们的合作解决建模和实验方面的各向异性收缩烧结和压实粉末工艺。在这些过程中，粉末混合物被压制成不同的，有时是复杂的形式。将研究粉末烧结过程中微观结构演变的表征和各向异性方面的建模。协作结合了建模和实验方法。美国研究者为这次合作带来了热机械建模方面的专业知识。此外，还参加了在法国进行的实验以及法国在物理化学和微观结构表征方面的专门知识。粉末混合物的烧结是各种工业过程中许多加工技术的关键步骤，例如制造钢零件和硬磁铁。这项研究将促进我们对粉末混合物行为的理解，并增强预测建模能力。这项合作包括教育方面的内容。一个教学模块计划用于课堂使用，本科生将在法国参与实验。该奖项代表了美国方面对NSF和CNRS的平行提案。美国国家科学基金会将支付美国研究人员和学生的旅费和生活费。法国科学研究中心将支持法国研究人员访问美国。

0129226ZavaliangosThis three-year award supports US-France collaboration in metal and ceramic powder manufacturing between Antonios Zavaliangos of Drexel University and Didier Bouvard of the National Polytechnic Institute, Grenoble, France. Their collaboration addresses modeling and experimental aspects of anisotoropic shrinkage in sintering and compaction powder processes. During these processes, powder mixtures are pressed into different and sometimes complex forms. Characterization of microstructure evolution during powder sintering and modeling of anisotropic aspects will be studied. The collaboration merges modeling and experimental approaches. The US investigator brings to this collaboration, expertise in thermomechanical modeling. This is complemented by participation in experiments in France and French expertise in physiochemical and microstructural characterization. Sintering of powder mixtures is a key step in a number of processing techniques for a variety of industrial processes, such as manufacturing of steel parts and hard magnets. This research will advance our understanding of behavior of powder mixtures and enhance predictive modeling capabilities. The collaboration includes an educational component. An instructional module is planned for classroom use and undergraduate students will participate in the experiments in France. This award represents the US side of parallel proposals to the NSF and the CNRS. NSF will cover travel funds and living expenses for the US investigator and students. The CNRS will support visits by French researchers to the United States.