Transactions of Materials and Heat Treatment

Title：Low constraint fluid-assisted forming law for GLARE complex section components

Authors： Wang Yao1 2 3 4 Niu Xuchang1 Cheng E1 Zhang Yunhua5 Zheng Sifa2 Zhao Libin1 4 6 Hu Ning1 3 4

Unit： 1. School of Mechanical Engineering Hebei University of Technology Tianjin 300401 China 2. Suzhou Automotive Research Institute (Xiangcheng) Tsinghua University Suzhou 215134 China 3. State Key Laboratory of Reliability and Intelligence Electrical Equipment Hebei University of Technology Tianjin 300401 China 4. Key Laboratory of Advanced Intelligent Protective Equipment Technology Ministry of Education Hebei University of Technology Tianjin 300401 China 5. Henan Benjie Technology Co. Ltd. Zhengzhou 450003 China 6. Key Laboratory of Hebei Province on Scale-span Intelligent Equipment Technology Hebei University of Technology Tianjin 300401 China

KeyWords： GLARE low constraint fluid-assisted forming complex features failure form

ClassificationCode：TB333

year,vol(issue):pagenumber：2024,49(5):24-35

Abstract：

Abstract:

For a new generation of aerospace manufacturing material Glass Fiber Reinforced Aluminum alloy Laminates(GLARE), the irregular box-shaped parts with variable curvature and curved surface characteristics were prepared by using low-constraint GLARE as sheet metal, and the experiment was conducted by the fluid-assisted forming process to explore the influence laws of blank holding force, hydraulic pressure and its loading path on the forming quality of specimen. Furthermore, according to the failure mechanism analysis on the parts, the best process parameters for the forming were obtained, and combined with the optimized hydraulic pressure loading path, the forming law of complex components was obtained. In addition, the failure forms of irregular box-shaped parts with different forming heights were analyzed. The results show that increasing the blank holding force and hydraulic pressure within a certain range is beneficial to the forming of parts, and adopting the path of larger hydraulic pressure loading speed and holding pressure improves the forming quality of parts.

Funds：

基金项目:国家自然科学基金资助项目（52005153）；河北省自然科学基金资助项目（E2023202183）；中央引导地方科技发展项目（236Z1903G，206Z1803G）；天津市“项目+团队”重点培养专项（XC202052）；河北省重点研发计划项目（23311812D）

作者简介：王耀（1986-），男，博士，副教授 E-mail：bhwy2014@126.com

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