对于含平行币状裂纹材料表现出来的横观各向同性,引入Walpole's基来表示和计算.通过构造能量密度支函数来定义复合材料的宏观应力,在非线性均质化方案中采用了基于能量原理的修正割线法,考虑了静水压力对偏应变的影响.研究了含微裂纹材料弹性刚度张量的三种解法:稀疏解法、MT法和PCW法,获得了含平行币状裂纹材料具有Drucker-Prager型式的宏观强度准则,研究结果表明,材料的弹性模量比和宏观摩擦系数随着裂纹的体积分数增加而减小,并且裂纹外形比越小,稀疏解法、MT法和PCW法对材料的弹性模量比和宏观摩擦系数预测曲线差异越大.
参考文献
| [1] | Jiang M,Jasiuk I,Ostoja-Starzewski M.Apparent elastic and elastoplastic behavior of periodic composites[J].Mechanics of Materials,2002,32:199-212. |
| [2] | Lee B J,Mear M E.Effective properties of power-law solids containing elliptical inhomogeneities[J].Mechanics of Materials,1992,13:313-335. |
| [3] | Maalej,Y,Dormieux L,Sanahuja J.Micromechanical approach to the failure criterion of granular media[J].European Journal of Mechanics A/Solids,2009,28:647-653. |
| [4] | Quang H L,He Q C.Effective pressure-sensitive elastoplastic behavior of particle-reinforced composites and porous media under isotropic loading[J].International Journal of Plasticity,2008,24; 343-370. |
| [5] | Yee K C,Mear M E.Effect of void shape on the macroscopic response of nonlinear porous solids[J].International Journal of Plasticity,1996,13:45-68. |
| [6] | Barthelemy J F,Dormieux L,Maghous S.A micromechanical approach to the strength criterion of Drucker-Prager materials reinforced by rigid inclusions[J].International Journal for Numerical and Analytical Methods in Geomechanics,2004,28:565-582. |
| [7] | Maghous S,Dormieux L,Barthelemy J F.Micromechanical approach to the strength properties of frictional geomaterials[J].European Journal of Mechanics A/Solids,2008,3:1-10. |
| [8] | Zhu Q Z,Kondo D,Shao J F.Micromechanical analysis of coupling between anisotropic damage and friction in quasi brittle materials:Role of the homogenization scheme[J].International Journal of Solids and Structures,2008,45:1385-1405. |
| [9] | 汪海滨,张卫红,杨军刚,等.考虑孔隙和微裂纹缺陷C/C-SiC编织复合材料等效模量计算[J].复合材料学报,2008,25(3):182-189.Wang Haibin,Zhang Weihong,Yang Jungang,et al.Numerical computing of effective modulus of woven C/C-SiC composites including porosities and micro-cracks[J].Acta Materiae Compositae Sinica,2008,25(3):182-189. |
| [10] | 汪赫男,张佐光,顾轶卓,等.环氧复合材料层板热压成型孔隙缺陷影响因素[J].复合材料学报,2007,24(5):55-60.Wang Henan,Zhang Zuoguang,Gu Yizhuo,et al.Effects of different factors on the void defect in epoxy composite laminates in hot pressing process[J].Acta Materiae Compositae Sinica,2007,24(5):55-60. |
| [11] | Suquet P.Effective behavior of nonlinear composites[M]//Continuum micromechanics.Berlin:Springer,1997:197-264. |
| [12] | Ponte-Castaneda P,Willis J R.The effect of Spatial distribution on the behavior of composite materials and cracked media[J].Journal of the Mechanics and Physics of Solids,1995,43:1919-1951. |
| [13] | Walpole L J.Elastic behavior of composite materials:Theoretical foundations[J].Advances in Applied Mechanics,1981,21:169-242. |
| [14] | Kreher W.Residual stresses and stored elastic energy of composites and polycrystals[J].Journal of the Mechanics and Physics of Solids,1990,38.115-128. |
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