Transactions of Materials and Heat Treatment

Title：Influence law of rigid die and flexible medium deep drawing process on forming limit and wall thickness distribution for GLARE laminate cylindrical parts

Authors： Men Xiangnan Yan Dongdong Lang Lihui Zhang Chiye Guo Qinglei Li Lei

Unit： Chengdu Aircraft Industrial (Group) Co. Ltd. Beihang University Beijing Institute of Spacecraft Environment Engineering Unit 93175 People′s Liberation Army

KeyWords： GLARE laminate forming limit wall thickness distribution fracture mode flexible medium deep drawing

ClassificationCode：TB333

year,vol(issue):pagenumber：2022,47(8):53-59

Abstract：

The influence laws of rigid die and flexible medium deep drawing process on wall thickness distribution, forming limit and fracture mode for uncured GLARE laminate of cylindrical part with fiber layout modes along 0° and 45° directions were studied. The results show that compared with the rigid die deep drawing process, the minimum wall thickness of the uncured GLARE laminate of cylindrical part is increased by 0.01 mm, the wall thickness distribution is more uniform, and the forming limit depth of the GLARE laminate of cylindrical part with 0° direction fiber layout is 15.2% higher than that with 45° direction fiber layout in the flexible medium deep drawing process. In addition, the fiber layout direction also affects the fracture mode of GLARE laminate cylindrical part, and the fracture position of cylindrical part is consistent with the fiber layout direction. Therefore, the deeper GLARE laminate cylindrical part can be prepared by the flexible medium deep drawing process, and at the same time, the fiber layout mode can be optimized by combining optimized fiber layout mode for components with different structures to improve the wall thickness consistency of component and avoid the fracture defects in the forming process.

Funds：

四川省科技计划项目（2019YFSY0034）

作者简介：门向南（1983-），男，硕士，高级工程师，E-mail：mxn19830726@163.com

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