Process Design and Verification of RFI Integrated Molding of Composites Hat Stiffened Panel

YANG Longying; LIU Zhijie; LIU Yangyang

doi:10.16080/j.issn1671-833x.2024.14.059

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Process Design and Verification of RFI Integrated Molding of Composites Hat Stiffened Panel

更新时间：2025-10-30

- Process Design and Verification of RFI Integrated Molding of Composites Hat Stiffened Panel
- Aeronautical Manufacturing Technology Vol. 67, Issue 14, Pages: 59-65(2024)
- 作者机构：
  
  航空工业成都飞机工业（集团）有限责任公司,成都,610091
- 作者简介：
- 基金信息：
- DOI：10.16080/j.issn1671-833x.2024.14.059
  CLC：
- Published：2024
- 稿件说明：
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杨龙英，刘志杰，刘阳阳. RFI整体成型复合材料帽型加筋壁板工艺设计及验证[J]. 航空制造技术, 2024, 67(14): 59-65.

YANG Longying, LIU Zhijie, LIU Yangyang. Process Design and Verification of RFI Integrated Molding of Composites Hat Stiffened Panel[J]. Aeronautical Manufacturing Technology, 2024, 67(14): 59-65.
杨龙英，刘志杰，刘阳阳. RFI整体成型复合材料帽型加筋壁板工艺设计及验证[J]. 航空制造技术, 2024, 67(14): 59-65. DOI： 10.16080/j.issn1671-833x.2024.14.059.

YANG Longying, LIU Zhijie, LIU Yangyang. Process Design and Verification of RFI Integrated Molding of Composites Hat Stiffened Panel[J]. Aeronautical Manufacturing Technology, 2024, 67(14): 59-65. DOI： 10.16080/j.issn1671-833x.2024.14.059.

摘要

复合材料树脂膜熔渗（Resin film infusion，RFI）工艺是复合材料成型工艺中广泛使用的一种整体制造技术，非常适合制造大型、带加强筋且具有复杂型面的航空结构件。本文选取了一种典型的复合材料帽型加筋壁板，完成工装结构及工艺流程等整体成型工艺设计，同时对不同树脂膜位置和固化压力下树脂渗透过程进行模拟仿真，并根据模拟结果选择合理的树脂膜位置和固化压力，最终根据所选方案完成工艺试验验证，典型件表观质量和无损检测均合格，验证了帽型加筋壁板RFI 整体成型工艺设计及模拟分析的有效性。

Abstract

Resin film infiltration (RFI) process is a widely used integrated manufacturing technology in composite material molding

which is very suitable for manufacturing large

reinforced

and complex aviation structural components. This article selected a typical composite hat stiffened panel

completed the integrated design of the fixture structure and process flow

and simulated the resin penetration process under different resin film positions and curing pressures. Based on the simulation results

reasonable resin film positions and curing pressures were selected. Finally

process experiments were completed according to the selected scheme

and the apparent quality and non-destructive testing of the typical parts were qualified

verifying the effectiveness of RFI integrated design and simulation analysis for hat stiffened panel.

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Related Institution

Composites Processing Plant, AVIC Chengdu Aircraft Industrial (Group) Co., Ltd.

COMAC Shanghai Aircraft Manufacturing Co., Ltd.

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Shanghai Key Laboratory of Digital Manufacture for Thin-Walled Structures, Shanghai Jiao Tong University

College of Textiles, Donghua University

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