复合材料共胶接帽形长桁加筋壁板的固化变形研究

doi:10.19936/j.cnki.2096-8000.20240928.010

复合材料科学与工程 ›› 2024, Vol. 0 ›› Issue (9): 67-72.DOI: 10.19936/j.cnki.2096-8000.20240928.010

复合材料共胶接帽形长桁加筋壁板的固化变形研究

闫超^1,2, 戎笑远^1,2, 赵月青^1,2, 钱忠健^1,2

1.上海飞机制造有限公司,上海 201324;
2.中国商飞复合材料中心,上海 201324

收稿日期:2024-04-02 出版日期:2024-09-28 发布日期:2024-10-18
作者简介:闫超(1985—),男,硕士,高级工程师,研究方向为树脂基复合材料结构制造工艺技术,ycpostbox@126.com。
基金资助:
某型号工艺验证项目(D-C233-030201)

Curing deformation study of composite cobonding omega stringer stiffened panel

YAN Chao^1,2, RONG Xiaoyuan^1,2, ZHAO Yueqing^1,2, QIAN Zhongjian^1,2

1. Shanghai Aircraft Manufacturing Co., Ltd., Shanghai 201324, China;
2. Composites Center of Commercial Aircraft Corporation of China Ltd., Shanghai 201324, China

Received:2024-04-02 Online:2024-09-28 Published:2024-10-18

摘要/Abstract

摘要： 以五长桁加筋壁板为对象研究帽形长桁加筋壁板的固化变形。采用三坐标仪测量了帽形长桁固化后外形,并对其固化变形进行了有限元仿真,长桁截面方向存在回弹变形,长度方向存在扭转变形。测量了帽形长桁固化后和加筋壁板固化后帽形长桁的高度和宽度,帽形长桁高度降低约0.5 mm,宽度增大约2 mm,帽形长桁存在压塌变形,有限元仿真结果与试验结果变化趋势一致。采用激光跟踪仪测量了加筋壁板的外形,加筋壁板沿垂直长桁长度方向存在明显弯曲变形,最大为12.9 mm,且仿真结果与试验结果一致。经过分析可知,帽形长桁扭转变形和压塌变形导致了帽形长桁加筋壁板的固化变形。

关键词: 复合材料, 帽形长桁, 加筋壁板, 固化变形

Abstract: The curing deformation of omega stringer stiffened panel was researched with five stringer stiffened panel. The contour of omega stringer was measured by tri-ordinate measuring machine, and finite element simulation was made for curing deformation of omega stringer, there is a spring-in deformation in the cross-section direction, and a torsional deformation in the length direction. The height and width of omega stringer after omega stringer cured and stiffened panel cured were measured, and explain that there is a collapse deformation for omega stringer, reducing 0.5 mm at height and increasing 2 mm at width approximately, the trend of change is the same between experiment and simulation. The contour of stiffened panel was measured by laser tracker, there is an obvious bending deformation perpendicular to the stringer length direction, 12.9 mm at maximum. Finite element simulation was made for curing deformation of the stiffened panel, the simulation result is in agreement with experimental result. After analysis, the curing deformation of omega stringer stiffened panel is resulted from both the torsional deformation and the collapse deformation of omega stringer.

Key words: composite, omega stringer, stiffened panel, curing deformation

中图分类号:

TB332

闫超, 戎笑远, 赵月青, 钱忠健. 复合材料共胶接帽形长桁加筋壁板的固化变形研究[J]. 复合材料科学与工程, 2024, 0(9): 67-72.

YAN Chao, RONG Xiaoyuan, ZHAO Yueqing, QIAN Zhongjian. Curing deformation study of composite cobonding omega stringer stiffened panel[J]. COMPOSITES SCIENCE AND ENGINEERING, 2024, 0(9): 67-72.

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复合材料共胶接帽形长桁加筋壁板的固化变形研究

Curing deformation study of composite cobonding omega stringer stiffened panel

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