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多层级蜂窝材料的面内模量缺陷敏感性

, PP. 495-504

Keywords: 蜂窝材料,多层级结构,面内模量,孔壁缺失,缺陷敏感性

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Abstract:

针对正六边形、Kagome和正三角形蜂窝,通过在孔壁表面附着弱材料层,提出了一种多层级蜂窝材料,并采用解析计算和数值计算的方法,围绕孔壁缺失这种最恶劣的缺陷类型,对蜂窝的体模量和剪切模量进行分析。结果表明,附着软层的多层级蜂窝材料比传统蜂窝抗缺陷性能提高,表现出较低的缺陷敏感性。在附着层的杨氏模量和原蜂窝材料比模量相同时,尽管附着层的杨氏模量比蜂窝母材低一个量级,但在附着层厚度是原蜂窝壁厚两倍时,正六边形和Kagome蜂窝的面内模量对缺陷的敏感性都明显降低。

References

[1]  Gibson L J, Ashby M F. Cellular solids: structure and properties[M]. Cambridge: Cambridge University Press, 1999.
[2]  卢天健, 何德坪, 陈常青, 等. 超轻多孔金属材料的多功能特性及应用[J]. 力学进展, 2006, 36(4): 517-535. Lu Tianjian, He Deping, Chen Changqing, et al. The multi-functionality of ultra-light porous metals and their applications[J]. Advances in Mechanics, 2006, 36(4): 517-535.
[3]  王 博. 正交各向异性蜂窝材料多功能优化设计[J]. 复合材料学报, 2008, 25(3): 202-209. Wang Bo. Optimum design of multi-functional orthotropic honeycomb materials[J]. Acta Materiae Compositae Sinica, 2008, 25(3): 202-209.
[4]  王 博, 王 斌, 程耿东. Kagome蜂窝夹层平板的多功能优化设计[J]. 复合材料学报, 2007, 24(3): 109-115. Wang Bo, Wang Bin, Cheng Gengdong. Multifunctional design of sandwich panels with Kagome-like cores[J]. Acta Materiae Compositae Sinica, 2007, 24(3): 109-115.
[5]  王 博, 张 雄, 徐胜利. 2D周期蜂窝结构面内静动态压缩力学行为研究[J]. 力学学报, 2009, 41(2): 274-281. Wang Bo, Zhang Xiong, Xu Shengli. Mechanical behavior of 2D periodic honeycombs under in-plane uniaxial compression[J]. Chinese Journal of Theoretical and Applied Mechanics, 2009, 41(2): 274-281.
[6]  Thiel B L, Guess K B, Viney C. Non-periodic lattice crystals in the hierarchical microstructure of spider(major ampullate) silk[J]. Biopolymers, 1997, 41(7): 703-719.
[7]  Silva M J, Gibson L J. The effects of non-periodic microstructure and defects on the compressive strength of two-dimensional cellular solids[J]. International Journal of Mechanical Science, 1995, 37(11): 1161-1177.
[8]  Fleck N A, Qiu X. The damage tolerance of elastic-brittle, two-dimensional isotropic lattices[J]. Journal of the Mechanics and Physics of Solids, 2007, 55(3): 562-588.
[9]  Chen C, Lu T J, Fleck N A. Effect of imperfections on the yielding of two-dimensional foams[J]. Journal of the Mechanics and Physics of Solids, 1999, 47(11): 2235-2272.
[10]  Chen C, Lu T J, Fleck N A. Effect of inclusions and holes on the stiffness and strength of honeycombs[J]. International Journal of Mechanical Science, 2001, 43(2): 487-504.
[11]  Symons D D, Fleck N A. The imperfection sensitivity of isotropic two-dimensional elastic lattices[J]. Journal of Applied Mechanics, 2008, 75(5):51101.
[12]  Cui X, Zhang Y, Zhao H, et al. Stress concentration in two-dimensional lattices with imperfections[J]. Acta Mechanica, 2011, 216(1-4): 105-122.
[13]  Wicks N, Guest S D. Single member actuation in large repetitive truss structures[J]. International Journal of Solids Structures, 2004, 41(3): 965-978.
[14]  寇东鹏, 虞吉林, 郑志军. 随机缺陷对蜂窝结构动态行为影响的有限元分析[J]. 力学学报, 2009, 41(6): 859-868. Kou Dongpeng, Yu Jilin, Zheng Zhijun. Effect of randomly removing cell walls on the dynamic crushing behaviour of honeycomb structures[J]. Chinese Journal of Theoretical and Applied Mechanics, 2009, 41(6): 859-868.
[15]  刘 颖, 张新春. 缺陷分布不均匀性对蜂窝材料面内冲击性能的影响[J]. 爆炸与冲击, 2009, 29(3): 237-242. Liu Ying, Zhang Xinchun. Effects of inhomogeneous distribution of defects on in-plane dynamic properties of honeycombs[J]. Explosion and Shock Waves, 2009, 29(3): 237-242.
[16]  张新春, 刘 颖. 缺陷对金属蜂窝材料面内冲击性能的影响[J]. 高压物理学报, 2012, 26(6): 645-652. Zhang Xinchun, Liu Ying. Effect of defects in-plane of metal honeycomb on its dynamic impact properties[J]. Chinese Journal of High Pressure Physics, 2012, 26(6): 645-652.
[17]  张新春, 刘 颖, 章梓茂. 集中缺陷对蜂窝材料面内动力学性能的影响[J]. 工程力学, 2011, 28(5): 239-244. Zhang Xinchun, Liu Ying, Zhang Zimao. Effects of concentrated defects on the in-plane dynamic properties of honeycombs[J]. Engineering Mechanics, 2011, 28(5): 239-244.
[18]  Zhang X C, Liu Y, Wang B, et al. Effects of defects on the in-plane dynamic crushing of metal honeycombs[J]. International Journal of Mechanical Sciences, 2010, 52(10): 1290-1298.
[19]  Zhang K, Duan H, Karihaloo B L, et al. Hierarchical, multilayered cell walls reinforced by recycled silk cocoons enhance the structural integrity of honeybee combs[J]. Proceedings of the National Academy of Sciences of the United States of America, 2010, 107(21): 9502-9506.
[20]  Fan H L, Jin F N, Fang D N. Mechanical properties of hierarchical cellular materials. Part I: analysis[J]. Composites Scinece and Technology, 2008, 68(15): 3380-3387.
[21]  Karam G N, Gibson L J. Elastic buckling of cylindrical shells with elastic cores—I. Analysis[J]. International Journal of Solids Structures, 1995, 32(8): 1259-1283.
[22]  Karam G N, Gibson L J. Elastic buckling of cylindrical shells with elastic cores—Ⅱ. Experiments[J]. International Journal of Solids Structures, 1995, 32(8): 1285-1306.
[23]  Obrecht H, Rosenthal B, Fuchs P, et al. Buckling, postbuckling and imperfection-sensitivity: Old questions and some new answers[J]. Computational Mechanics, 2006, 37(6): 498-506.
[24]  Obrecht H, Fuchs P, Reinicke U, et al. Influence of wall constructions on the load-carrying capability of light-weight structures[J]. International Journal of Solids Structures, 2008, 45(6): 1513-1535.
[25]  Wang A J, Mcdowell D L. In-plane stiffness and yield strength of periodic metal honeycombs[J]. Journal of Engineering Materials and Technology, 2004, 126(2): 137-156.
[26]  Hibbett, Karlsson, Sorensen, et al. ABAQUS/Standard: user's manual[M]. Pennsylvania: Hibbitt, Karlsson & Sorensen, 1998.
[27]  Ashby M F. Materials selection in mechanical design (4th Edition)[M]. Amsterdam: Elsevier. 2011.

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