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...

动态柱形空穴膨胀模型及其在侵彻问题中的应用

DOI: 10.11858/gywlxb.2006.01.014, PP. 67-78

Keywords: 动态柱形空穴膨胀,双线性强化,材料性能,侵彻

Full-Text   Cite this paper   Add to My Lib

Abstract:

在侵彻问题中的应用进行了研究。通过采用相似变换求解塑性区控制方程,获得了动态柱形空穴膨胀中的弹塑性界面速度、径向应力分布、空穴表面应力的解。基于柱形空穴模型,推导了侵彻方程,并将其得到的预测结果与侵彻实验数据进行了比较。结果表明,模型的理论解与现有数据吻合得很好。结果还显示了材料的可压缩性和塑性强化模量对柱形空穴膨胀以及侵彻阻力的影响。

References

[1]  Bishop R F, Hill R, Mott N F. The Theory of Indentation and Hardness Tests [J]. Proceeding of the Physical Society, 1948, 57: 147-159.
[2]  Wright S C, Huang Y, Fleck N A. Deep Penetration of Polycarbonate by a Cylindrical Punch [J]. Mech Mater, 1992, 13: 277-284.
[3]  Satapathy S, Bless S J. Deep Punching PMMA [J]. Exp Mech, 2000, 40(1): 31-38.
[4]  Goodier J N. On the Mechanics of Indentation and Cratering in Solid Targets of Strain-Hardening Metal by Impact of Hard and Soft Sphere [A]. //Proceedings of the 7th Symp Hypervelocity Impact, Vol. Ⅲ [C]. AIAA, J, 1965.
[5]  Forrestal M J. Penetration into Dry Porous Rock [J]. Int J Solids Struct, 1986, 22(12): 1485-1500.
[6]  Luk V K, Forrestal M J, Amos D E. Dynamic Spherical Cavity Expansion of Strain-Hardening Materials [J]. J Appl Mech, 1991, 58: 1-6.
[7]  Luk V K, Amos D E. Dynamic Cylindrical Cavity Expansion of Compressible Strain-Hardening Materials [J]. J Appl Mech, 1991, 58: 334-340.
[8]  Forrestal M J, Tzou D Y. A Spherical Cavity-Expansion Penetration Model for Concrete Targets [J]. Int J Solids Struct, 1997, 34(31-32): 4127-4146.
[9]  Crozier R J M, Hunter S C. Similarity Solution for the Rapid Uniform Expansion of a Cylindrical Cavity in a Compressible Elastic-Plastic Solid [J]. Quarterly J Mech & Appl Math, 1969, 21: 349-363.
[10]  Longcope D B, Forrestal M J. Penetration of Targets Described by a Mohr-Coulomb Failure Criterion with a Tension Cutoff [J]. J Appl Mech, 1983, 50: 327-333.
[11]  Hill R. General Features of Plastic-Elastic Problems as Exemplified by Some Particular Solutions [J]. ASME J Appl Mech, 1949, 16: 295-300.
[12]  Wen H M. Predicting the Penetration and Perforation of FRP Laminates Struck Normally by Projectiles with Different Nose Shapes [J]. Composite Structures, 2000, 49(3): 321-329.
[13]  Wen H M. Penetration and Perforation of Thick FRP Laminates [J]. Composites Science and Technology, 2001, 61(8): 1163-1172.
[14]  Wen H M. Predicting the Penetration and Perforation of Targets Struck by Projectiles at Normal Incidence [J]. Mech Structures & Machines, 2002, 30(4): 543-577.
[15]  Forrestal M J, Okajima K, Luk V K. Penetration of 6061-T651 Aluminum Targets with Rigid Long Rods [J]. ASME J Appl Mech, 1988, 55(4): 755-760.
[16]  Forrestal M J, Brar N S, Luk V K. Penetration of Strain-Hardening Targets With Rigid Spherical-Nose Rodes [J]. ASME J Appl Mech, 1991, 58: 7-10.
[17]  Bowden F P, Tabor D. The Friction and Lubrication of Solid, Part 2 [M]. London: Oxford University Press, 1968: Chap 22.
[18]  Montgomery R S. Surface Melting of Rotating Bands [J]. Wear, 1976, 38: 235-243.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133