U.S.-Turkey Cooperative Research: Design and Processing Characteristics of Novel Three Dimensional Fibrous Preforms for Composite Reinforcement

0420992 AdanurDescription：该项目支持由阿拉巴马州奥本大学纺织工程系Sabit Adanur博士、阿拉巴马州塔斯基吉大学Heshmat Aglan博士、阿拉巴马州塔斯基吉大学Heshmat Aglan博士和土耳其特拉布宗Kardeniz技术大学机械工程系Hasan Bas进行的合作项目。他们计划利用最先进的电子和机器人控制概念来表征、自动化和优化新型三维混合编织/针织机，这种机器将编织和编织原理结合在一起，生产出新型的三维机织/针织结构。定义和研究混联机床的运动和织物加工参数。将制作新的织物原型，以建立基本知识，以了解活动部件的运动及其在生产3D织物结构时的结果。将发现并解决设计缺陷和问题。三种主要的工业纱线(碳纤维、玻璃纤维和芳纶)将在混合3D织造/针织机上进行成形性评估。纱线应力沿纱线路径的变化将被研究不同的织物厚度、针距长度、机器速度和针距。将研究可编性和机器设置之间的相互作用和关系。将确定每种纱线类型的针迹长度的限制。建立了基于纱线特性预测编织性能的理论模型。一种专利新型混合结构的制造原理将被表征和确立。这种新型结构的制备、表征和性能的理解将为纤维基复合材料开辟新的机遇。随着这项工作的提出，一种新的三维纤维结构及其制造方法将被介绍到文献中。范围和更广泛的影响：新型3D混杂织物结构和用于生产它们的机器将包括在纺织工程课程的材料中。本科生和研究生可以在他们的项目中使用这些机器。几家纺织公司将对拟议工作的结果感兴趣。结果将对参与国互惠互利。该项目由OISE和制造与工业创新司共同资助。

0420992 AdanurDescription: This project supports a cooperative project by the Dr. Sabit Adanur, Department of Textile Engineering, Auburn University, Auburn, Alabama, Dr. Heshmat Aglan, Tuskegee University, Tuskegee, Alabama and Drs. Levent Gumusel, and Hasan Bas, Department of Mechanical Engineering, Karadeniz Technical University, Trabzon, Turkey. They plan to characterize, automate and optimize the novel three-dimensional hybrid weaving/knitting machines that combine knitting and weaving principles to produce novel 3D woven/knit structures using the state of the art electronic and robotic control concepts. The hybrid machine motions and fabric processing parameters will be defined and studied. Novel fabric prototypes will be fabricated to establish the basic knowledge to understand the motions of active parts and their results on the production of 3D fabric structures. Design defects and problems will be identified and solved. Three major industrial yarns (carbon, glass and aramid) will be evaluated for their formability in the hybrid 3D weaving/knitting machine. Variations of yarn stress along the yarn path will be studied for different fabric thickness, stitch length, machine speed, and needle strokes. Interactions and relations between knittability and machine settings will be investigated. The limitations of stitch length for each yarn type will be determined. A theoretical model, which could predict the knitting performance based on yarn characteristics, will be generated. Manufacturing principles of a patented novel hybrid structure will be characterized and established. The preparation, characterization and understanding the capabilities of this novel structure will open up new opportunities for fiber-based composites. With the proposed work, a new 3D fibrous structure and its manufacturing method will be introduced to the literature. Scope and broader Impacts: The novel 3D hybrid fabric structures and the machines used to produce them will be included in the material of textile engineering courses. Undergraduate and graduate students can use these machines for their projects. Several textile companies will be interested in the outcome of the proposed work. The results will be mutually beneficial to the participating countries. This project is jointly funded by OISE and the Division of Manufacturing and Industrial Innovation.