Materials Reports  2021, Vol. 35 Issue (Z1): 607-612 |
| POLYMERS AND POLYMER MATRIX COMPOSITES |
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| Finite Element Analysis of Influence to the Mold Tooling on the Curing Deformation of Composite Part |
| SUN Chaohai1, HUANG Yan1, YANG Kang2, JI Shude3, YUE Yumei3
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1 Engineering Technology Center, Aviation Industry Shenyang Aircraft Industry (Group) Co., Ltd., Shenyang 110034, China
2 Design Department, Liaoning General Aviation Academy, Shenyang 110136, China
3 College of Aerospace Engineering, Shenyang Aerospace University, Shenyang 110136, China |
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Abstract During the integral forming process of carbon fiber reinforced polymer, the thermal mismatch between the forming tooling and the composite component, the deformation of the frame tooling and the temperature distribution will have a certain adverse impact on the curing deformation of the composite component. In this paper,the finite element analysis software of ABAQUS was used to analyze the influence of tooling structure on the curing deformation of a U-shaped composite from the perspective of tooling structure and mould material. For the three kinds of forming tool structures that were used widely in enterprises (inclined strut, column type and side plate), the temperature distribution of column type for-ming tool was more uniform in the process of curing, the curing deformation of composite parts was smaller. As to the material (include ordinary carbon steel, invar steel and composite materials) of the mould, the thermal expansion coefficient of composite mold was closer to that of the U-shaped structure parts, so the curing deformation of composite parts was less affected than the others.
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Published: 16 July 2021
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| Fund:Liaoning Provincial Education Department Project (JYT2020141). |
| About author:: Chaohai Sun is a researcher level senior engineer and deputy chief technologist of Shenyang Aircraft Industry (Group) Co., Ltd. From September 1992 to July 1996, he obtained a bachelor's degree in mold design and manufacturing from Shenyang Institute of Aeronautics and Technology. From January 2010 to December 2013, he studied mechanical engineering of Beijing University of Aeronautics and Astronautics and obtained a master's degree in engineering. He has published 3 papers in domestic core journals and applied for 13 national invention patents, including 2 authorized ones. The research work mainly focuses on the aircraft process equipment design and new manufacturing technology, carries out the research on the process equipment design and manufacturing technology based on automation equipment, and the application of finite element simulation analysis technology in tooling.Kang Yang is an engineer of Liaoning General Aviation Research Institute. More than 10 papers have been published by the first or correspondent authors in academic journals at home and abroad. One national invention patent and three utility model patents have been autho-rized. The research work mainly focuses on the application of mechanical analysis and testing of composite materials, presides over the project of Liaoning Provincial Department of Education, Shenyang Liming Aeroengine Co., Ltd. of China Airlines, and participates in the projects of National Natural Science Foundation, National Defense 863 sub-projects, Liaoning Provincial Department of Education, etc. |
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