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弯管成形理论和技术研究进展与发展趋势(英文)
引用本文:杨合,李恒,张志勇,詹梅,刘静,李光俊.弯管成形理论和技术研究进展与发展趋势(英文)[J].中国航空学报,2012,25(1):1-12.
作者姓名:杨合  李恒  张志勇  詹梅  刘静  李光俊
作者单位:西北工业大学凝固技术国家重点实验室;成都飞机工业(集团)有限公司
基金项目:National Natural Science Foundation of China(50905144);State Key Laboratory of Materials Processing and Die & Mould Technology, Huazhong University of Science and Technology(09-10);NPU Foundation for Fundamental Research(JC201028);Fund of the State Key Laboratory of Solidification Processing in NWPU, Natural Science Basic Research Plan in Shaanxi Province(2011JQ6004);“111” Project(B08040)
摘    要:As one kind of key components with enormous quantities and diversities,the bent tube parts satisfy the increasing needs for lightweight and high-strength product from both materials and structure aspec...

关 键 词:管材弯曲  成形  轻量化  强韧化  缺陷  航空  航天
收稿时间:2011-08-18;

Advances and Trends on Tube Bending Forming Technologies
YANG He , LI Heng , ZHANG Zhiyong , ZHAN Mei , LIU Jing , LI Guangjun.Advances and Trends on Tube Bending Forming Technologies[J].Chinese Journal of Aeronautics,2012,25(1):1-12.
Authors:YANG He  LI Heng  ZHANG Zhiyong  ZHAN Mei  LIU Jing  LI Guangjun
Institution:1. State Key Laboratory of Solidification Processing, School of Materials Science and Engineering, Northwestern Polytechnical University, Xi'an 710072, China
2. Chengdu Aircraft Industry(Group)Corporation Ltd., Chengdu 610092, China
Abstract:As one kind of key components with enormous quantities and diversities, the bent tube parts satisfy the increasing needs for lightweight and high-strength product from both materials and structure aspects. The bent tubes have been widely used in many high-end industries such as aviation, aerospace, shipbuilding, automobile, energy and health care. The tube bending has become one of the key manufacturing technologies for lightweight product forming. Via the analysis of bending characteristics and multiple defects, advances on exploring the common issues in tube bending are summarized regarding wrinkling instability at the intrados, wall thinning (cracking) at the extrados, springback phenomenon, cross-section deformation, forming limit and process/ tooling design/optimization. Some currently developed bending techniques are reviewed in terms of their advantages and limitations. Finally, in view of the urgent requirements of high-performance complex bent tube components with difficult-to-deform and lightweight materials in aviation and aerospace fields, the development trends and corresponding challenges are presented for realizing the precise and high-efficiency tube bending deformation.
Keywords:tube bending  forming  lightweight  high strength  defects  aviation  aerospace
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