全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...
工程力学  2015 

AZ31B镁合金挤压矩形管的轴向压溃试验与吸能特性分析

DOI: 10.6052/j.issn.1000-4750.2014.03.0217, PP. 183-190

Keywords: 镁合金,矩形管,轴向压溃,吸能特性,破坏模式

Full-Text   Cite this paper   Add to My Lib

Abstract:

对AZ31B镁合金挤压矩形截面管进行准静态轴向压溃试验,研究其破坏模式和吸能特性,并探索管件长度、截面尺寸、倒角诱导因素等对吸能特性的影响。结果发现镁合金矩形管轴向压溃时存在两种破坏模式:整体破坏模式和渐进破坏模式,无倒角时管件发生整体破坏,而管端有倒角时主要从倒角端开始发生渐进破坏。渐进破坏模式有利于管件吸收能量。镁合金管件具有良好的吸能特性,其比吸能优于钢管、铝合金管和复合材料管。

References

[1]  吴章斌, 桂良进, 范子杰. AZ31B镁合金挤压板材力学性能的各向异性[J]. 材料研究学报, 2012, 26(02): 218―224.
[2]  Wu Zhangbin, Gui Liangjin, Fan Zijie. The mechanical properties of extruded AZ31B magnesium alloy sheets [J]. Chinese Journal of Materials Research, 2012, 26(02): 218―224. (in Chinese)
[3]  Abramowicz W. Thin-walled structures as impact energy absorbers [J]. Thin-Walled Structures, 2003, 41(2/3): 91―107.
[4]  Al Galib D, Limam A. Experimental and numerical investigation of static and dynamic axial crushing of circular aluminum tubes [J]. Thin-Walled Structures, 2004, 42(8): 1103―1137.
[5]  Hanssen A G, Langseth M, Hopperstad O S. Static and dynamic crushing of circular aluminium extrusions with aluminium foam filler [J]. International Journal of Impact Engineering, 2000, 24(5): 475―507.
[6]  Jones N. Several phenomena in structural impact and structural crashworthiness [J]. European Journal of Mechanics-A/Solids, 2003, 22(5): 693―707.
[7]  Langseth M, Hopperstad O S. Static and dynamic axial crushing of square thin-walled aluminium extrusions [J]. International Journal of Impact Engineering, 1996, 18(7/8): 949―968.
[8]  Wang Q, Fan Z, Gui L. Theoretical analysis for axial crushing behaviour of aluminium foam-filled hat sections [J]. International Journal of Mechanical Sciences, 2007, 49(4): 515―521.
[9]  李志斌, 虞吉林, 郭刘伟. 具有诱导结构的铝合金薄壁方管轴向压缩吸能性能试验研究[J]. 工程力学, 2012, 29(06): 346―352.
[10]  Li Zhibin, Yu Jilin, Guo Liuwei. Experimental investigations on the energy absorption behavior of aluminum tubes with inductive structures subjected to axial loading [J]. Engineering Mechanics, 2012, 29(06): 346―352. (in Chinese)
[11]  谭柱华, 陈晨, 韩旭, 等. 泡沫铝硅合金动态压缩力学性能及吸能特性研究[J]. 工程力学, 2013, 30(2): 360―364.
[12]  Tan Zhuhua, Chen Chen, Han Xu, et al. Investigation on the dynamic compressive behavior and energy absorption properties of aluminium-silicon foam [J]. Engineering Mechanics, 2013, 30(2): 360―364. (in Chinese)
[13]  Dørum C, Hopperstad O S, Lademo O G, et al. Numerical modelling of the structural behaviour of thin-walled cast magnesium components [J]. International Journal of Solids and Structures, 2005, 42(7): 2129―2144.
[14]  Dørum C, Sture Hopperstad O, Lademo O, et al. An experimental study on the energy absorption capacity of thin-walled castings [J]. International Journal of Impact Engineering, 2006, 32(5): 702―724.
[15]  Dørum C, Hopperstad O S, Lademo O, et al. Energy absorption capacity for thin-walled AM60 castings using a shear-bolt principle [J]. Computers & Structures, 2007, 85(1/2): 89―101.
[16]  Dørum C, Hopperstad O S, Lademo O, et al. Numerical modelling of the structural behaviour of thin-walled cast magnesium components using a through-process approach [J]. Materials & Design, 2007, 28(10): 2619―2631.
[17]  Hilditch T, Atwell D, Easton M, et al. Performance of wrought aluminium and magnesium alloy tubes in three-point bending [J]. Materials & Design, 2009, 30(7): 2316―2322.
[18]  Beggs P D, Song W, Easton M. Failure modes during uniaxial deformation of magnesium alloy AZ31B tubes [J]. International Journal of Mechanical Sciences, 2010, 52(12): 1634―1645.
[19]  Langseth M, Hopperstad O S, Hanssen A G. Crash behaviour of thin-walled aluminium members [J]. Thin-Walled Structures, 1998, 32(1/3): 127―150.
[20]  Barnett M R. Twinning and the ductility of magnesium alloys: Part I: "Tension" twins [J]. Materials Science and Engineering: A, 2007, 464(1/2): 1―7.
[21]  Gui L J, Zhang P, Fan Z J. Energy absorption properties of braided glass/epoxy tubes subjected to quasi-static axial crushing [J]. International Journal of Crashworthiness, 2009, 14(1): 17―23.

Full-Text

Contact Us

[email protected]

QQ:3279437679

WhatsApp +8615387084133