为更全面掌握三维网状多孔材料在工程应用中的安全承载问题,分析了各向同性的该类材料在三向载荷(多向载荷)作用下的力学性能.在其结构简化的基础上,提出了该类材料在三向载荷作用下相应的承载力学模型.其中三向载荷中的任何一个载荷都可以任意为拉伸和压缩.运用这一模型,可以判断当该类材料在承受上述载荷条件时是否会发生破坏,其用来判断的材料固有指标即是多孔体的孔率,该指标是多孔材料最基本的参量.
参考文献
| [1] | John Banhart .Manufacture, characterization and application of cellular Metals and metal foams[J].Progress in materials science,2001(6):559-632. |
| [2] | Liu PS.;Liang KM. .Functional materials of porous metals made by P/M, electroplating and some other techniques [Review][J].Journal of Materials Science,2001(21):5059-5072. |
| [3] | J. Kovacik .The tensile behaviour of porous metals made by gasar process[J].Acta materialia,1998(15):5413-5422. |
| [4] | Peisheng Liu .The tensile strength of porous metals with high porosity[J].Journal of advanced materials,2000(2):9-16. |
| [5] | V.S. Deshpande;N.A. Fleck .Isotropic constitutive models for metallic foams[J].Journal of the Mechanics and Physics of Solids,2000(6/7):1253-1283. |
| [6] | X. Badiche;S. Forest;T. Guibert;Y. Bienvenu;J. -D. Bartout;P. Ienny;M. Croset;H. Bernet .Mechanical properties and non-homogeneous deformation of open-cell nickel foams: application of the mechanics of cellular solids and of porous materials[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2000(1/2):276-288. |
| [7] | T. G. Nieh;K. Higashi;J. Wadsworth .Effect of cell morphology on the compressive properties of open-cell aluminum foams[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2000(1/2):105-110. |
| [8] | A.-H. Benouali;L. Froyen;J.F. Delerue .Mechanical analysis and microstructural characterisation of metal foams[J].Materials Science and Technology: MST: A publication of the Institute of Metals,2002(5):489-494. |
| [9] | Kwon YW.;Cooke RE.;Park C. .Representative unit-cell models for open-cell metal foams with or without elastic filler[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2003(1/2):63-70. |
| [10] | Heeman Choe;David C. Dunand .Mechanical properties of oxidation-resistant Ni-Cr foams[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2004(1/2):184-193. |
| [11] | LIU Pei-sheng,SANG Hai-bo.Mechanical Property of Foamed Metal[J].钢铁研究学报(英文版),2004(03):53-58. |
| [12] | P.S. Liu .Mechanical behaviors of porous metals under biaxial tensile loads[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2006(1/2):176-183. |
| [13] | P.S. Liu .A new analytical model about the relationship between nominal failure stresses and porosity for foamed metals under biaxial tension[J].Materials & Design,2007(10):2678-2683. |
| [14] | 刘培生.泡沫材料在多向拉伸载荷作用下的力学模型[J].稀有金属材料与工程,2008(12):2099-2103. |
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