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新型液体成型技术在民机副翼结构的应用研究
丛晶洁1, 陈志平1,2, 刘强3
1.中国商用飞机有限责任公司北京民用飞机技术研究中心, 北京 102211;2.江苏丹阳恒神股份有限公司, 江苏 212314;3.中航复合材料有限责任公司, 北京 101300
摘要:
基于传统VARI工艺开发了一种可以满足航空复合材料构件大规模生产需求的新型低成本液体成型技术。采用了多种工艺措施确保注胶口和出胶口处树脂压力和树脂流动控制,对比试验表明,采用新型液体成型技术所制备的复合材料层合板厚度均匀性能够接近预浸料/热压罐成型的复合材料层合板的水平。采用新型液体成型技术所研制的民机副翼结构件具有良好的外形和内部质量,可以满足航空复合材料结构的应用需求。
关键词:  VARI  液体成型技术  民机副翼
DOI:10.12044/j.issn.1007-2330.2018.02.019
分类号:TB332
基金项目:
Application Research of New Liquid Molding Technology for Civil Flap
CONG Jingjie1, CHEN Zhiping1,2, LIU Qiang3
1.Beijing Aeronautical Science & Technology Research Institute of Commercial Aircraft Corporation of China, Ltd., Beijing 102211;2.Jiangsu Danyang Hengshen CO., Ltd., Jiangsu 212314;3.AVIC Composite Corporation Ltd., Beijing 101300
Abstract:
Based on the traditional VARI technology, a new generation of low cost liquid molding technology has been developed to satisfy the mass production demands of aeronautical composite structure. The proposed multiple approaches are applied to control the resin pressure difference between the injection and vent location and the flow control of the resin during the molding process.The results of the comparative experiment show that the thickness uniformity of the composite laminates molded by the new liquid molding technology are comparable with those of the laminates molded by prepreg/autoclave process. Applying the new liquid molding technology, the molded civil flap has good appearance and internal quality satisfying the application requirements of aeronautical composite.
Key words:  VARI  Liquid Molding Technology  Civil Flap