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...
科技导报  2014 

机载设备电子芯片缓冲橡胶蜂窝夹层抗跌落冲击性能

DOI: 10.3981/j.issn.1000-7857.2014.20.004, PP. 33-36

Keywords: 电子芯片,缓冲橡胶蜂窝夹层,抗跌落冲击性能

Full-Text   Cite this paper   Add to My Lib

Abstract:

以飞机高速飞行环境下某机载设备电子芯片跌落为例,研究了电子芯片缓冲橡胶蜂窝夹层的抗冲击性能。对缓冲橡胶夹层采用不同的蜂窝构型,即分别纵向开孔、横向开孔和选择不同孔径,利用Abaqus有限元分析软件进行仿真实验,研究蜂窝的开孔结构及孔径大小对缓冲橡胶夹层抗冲击性能的影响。结果表明,缓冲橡胶夹层的蜂窝结构相对于实体结构能显著提高其抗跌落冲击性能(提高22%~33%),纵向开孔结构的抗冲击效果优于横向开孔结构(提高3%~6%),而在设计范围内的孔径大小对抗冲击效果的影响不明显。

References

[1]  Liu Z Q, Liang W, Yang J. Analysis of thermal and mechanical properties of honeycomb structure of MTPS[J]. Acta Aeronautica ET Astronautica Sinica, 2009, 30(1): 10-12.
[2]  Ooba T, Funahashi Y. Stability analysis of linear shift-invariant dynamics in honeycomb structure[J]. Asian Journal of Control, 2002, 4(3): 348- 353.
[3]  Jia R, Luo J, Zhen L. Copy the Super-Hydrophobic Honeycomb Structure to PDMS Surface[C]// Proceedings of the 2011 International Conference on Informatics, Cybernetics and Computer Engineering. Berlin Heidelberg: Springer, 2012: 787-793.
[4]  Drake M L, Bouchard M P. On damping of large honeycomb structure[J]. Journal of Vibration, Acoustics Stress and Reliability in Design, 1985, 107(4): 361-366.
[5]  Gibson L J, Ashby M F. Cellular solids: structure and properties[M]. London: Cambridge university press, 1999.
[6]  Liew K M, Jiang L, Lim M K, et al. Numerical evaluation of frequency responses for delaminated honeycomb structures[J]. Computers & structures, 1995, 55(2): 191-203.
[7]  Wang D M, Wang Z W, Liao Q H. Energy absorption diagrams of paper honeycomb sandwich structures[J]. Packaging Technology and Science, 2009, 22(2): 63-67.
[8]  Aminanda Y, Castanie B, Barrau J J, et al. Experimental analysis and modeling of the crushing of honeycomb cores[J]. Applied Composite Materials, 2005, 12(3-4): 213-227.
[9]  Yang D U, Lee S, Huang F Y. Geometric effects on micropolar elastic honeycomb structure with negative Poisson's ratio using the finite element method[J]. Finite elements in analysis and design, 2003, 39(3): 187-205.
[10]  肖锋, 谌勇, 孙靖雅, 等. 超弹性橡胶材料分层圆孔蜂窝防护覆盖层 动态压缩行为及性能研究[J]. 振动与冲击, 2013, 32(22):13-20. Xiao Feng, Chen Yong, Sun Jingya, et al. Dynamic crush behavior and performance of layered honeycomb hyperelastic rubber claddings[J]. Journal of Vibration and Shock, 2013, 32(22): 13-20.
[11]  庄茁, 由小川, 廖剑晖, 等. ABAQUS 的有限元分析和应用[M]. 北 京: 清华大学出版社, 2009: 324-340. Zhuang Zhuo, You Xiaochuan, Liao Jianhui, et al. ABAQUS finite element analysis and application[M]. Beijing: Tsinghua University Press, 2009: 324-340.
[12]  王玉镯, 傅传国. ABAQUS结构工程分析及实例详解[M]. 北京:中国 建筑工业出版社, 2010: 49-62. Wang Yuzhuo, Fu Chuanguo. ABAQUS structural engineering analysis and examples explains[M]. Beijing: China Building Industry Press, 2010: 49-62.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133