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引用本文:王国权,王青春,宫保贵.????????????????????????о?[J].力学与实践,2010,32(2):42-46.
作者姓名:王国权  王青春  宫保贵
作者单位:北京信息科技大学 机电工程学院 100192
基金项目:北京市优秀人才资助项目(20081D0500600147)
摘    要:以当前车架前纵梁薄壁吸能管为依据,制作了普通单、双帽薄壁管以及单、 双帽冲压筋薄壁管试件,并依次进行了轴向准静态压缩试验,来研究这些管件的轴向压缩吸 能特性. 试验发现:添加冲压筋之后,单、双帽薄壁结构的轴向吸能特性都得到了很大提高, 但冲压筋对帽型薄壁结构稳定性的提高不明显. 试验结果表明,在不增加材料的前提下,通 过改变吸能元件的截面结构可以提高其碰撞吸能特性.

关 键 词:冲压筋  薄壁管  轴向压缩  吸能特性
收稿时间:2009-04-07

STUDY OF THE AXIAL CRUSHING CHARACTERISTICS OF THE STIFFENED THIN-WALLED TUBES
WANG Guoquan , WANG Qingchun , GONG Baogui.STUDY OF THE AXIAL CRUSHING CHARACTERISTICS OF THE STIFFENED THIN-WALLED TUBES[J].Mechanics and Engineering,2010,32(2):42-46.
Authors:WANG Guoquan  WANG Qingchun  GONG Baogui
Institution:*/a>;2;Department of Mechanical and Electronic Engineering/a>;Beijing University of Information Science and Technology/a>;Beijing 100192/a>;China;School of Technology/a>;Beijing Forestry University/a>;Beijing 100083/a>;China
Abstract:To study the axial energy-absorption performance of thin-walled tubes of energy absorbing elements in a vehicle body,thin-walled tubes with single and double hat and with stiffeners were designed.Then the quasi-axial compression tests were carried out.Test results show that the energy-absorption performance of the thin-walled tubes is increased when the number of stiffeners is increased,but the quasi-axial steady ability is decreased.
Keywords:stiffened tubes  thin-walled tubes  axial compression  energy-absorbing behavior  
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