Innovative forming of composite laminates

复合材料层压板的创新成型

• 批准号: 227161-2011
• 负责人: Fernlund, Goran
• 金额: $ 1.82万
• 依托单位: University of British Columbia
• 依托单位国家: 加拿大
• 项目类别: Discovery Grants Program - Individual
• 财政年份: 2015
• 资助国家: 加拿大
• 起止时间: 2015-01-01 至 2016-12-31
• 项目状态: 已结题
• 来源: https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=570249
• 关键词: Innovative; forming; composite; laminates

There is currently a large increase in the use of fibre reinforced polymer composite materials in the aerospace industry because of the promise of lighter, more fuel-efficient and more cost effective airplanes, e.g. Boeing 787, Airbus A350 XWB, Bombardier C-series and Learjet 85. One of the major thrusts in industry today is to increase the speed of manufacture through automation. Of great interest is the ability to rapidly lay up flat composite laminates, made of thin layers of carbon fibre reinforced polymers, with an automated tape lay-up machine and form the whole laminate into the desired shape, similar to sheet metal forming. However, there is currently limited ability and understanding of how to form high performance multi-axial composite laminates with unidirectional reinforcement into complex shapes. One goal of the proposed research is to develop an experimental test set-up where the deformability of composite laminates can be studied and fundamental deformation mechanisms and formability limits can be established. A second goal is to explore and develop innovative methods of increasing the formability through local tailoring and modification of the laminate lay-up in areas where large deformations are required. The work is anticipated to generate important fundamental understanding of composites formability applicable to several composites manufacturing processes. It also has a strong potential to have direct impact on the Canadian aerospace industry where several of the OEM's are currently exploring and using this type of technology. Breakthroughs in the formability of composite laminates will have a significant impact on the speed and cost of composites manufacturing and will encourage the wider use of these advanced materials in aerospace as well as other application areas such as transportation and energy.

目前在航空航天工业中纤维增强聚合物复合材料的使用大量增加，因为更轻、更省油和更经济的飞机的前景，例如波音787、空中客车A350 XWB、庞巴迪C系列和里尔85。当今工业的主要推动力之一是通过自动化来提高生产速度。最令人感兴趣的是用自动化带铺叠机快速铺叠由碳纤维增强聚合物薄层制成的平坦复合材料层压板并将整个层压板形成所需形状的能力，类似于金属板成形。然而，目前对于如何将具有单向增强的高性能多轴复合材料层合板形成复杂形状的能力和理解有限。 提出的研究的一个目标是开发一个实验测试装置，在那里可以研究复合材料层压板的变形能力，并可以建立基本的变形机制和成形极限。第二个目标是探索和开发创新的方法，通过在需要大变形的区域局部剪裁和修改层压板铺层来提高可成形性。 这项工作预计将产生重要的基本了解复合材料的成形性适用于几种复合材料的制造工艺。它还具有直接影响加拿大航空航天工业的强大潜力，目前有几家OEM正在探索和使用这种技术。复合材料层合板成形性的突破将对复合材料制造的速度和成本产生重大影响，并将鼓励这些先进材料在航空航天以及其他应用领域（如运输和能源）的更广泛使用。