建立了含界面脱粘的三维五向编织复合材料单向拉伸损伤分析有限元模型.将Tsai-Wu强度准则用于纤维束损伤判断并确定材料失效模式,结合Murakami损伤张量表征材料各向异性损伤,根据失效模式进行材料性能退化；界面相和基体分别采用Quads准则和Mises准则作为失效判据,引入刚度折减；建立了五向编织复合材料的损伤预测模型.模拟了典型编织角材料的细观损伤起始、扩展和最终失效过程,分析了材料的细观损伤失效机理,并基于所得应力应变曲线预测了材料的拉伸强度.数值结果与试验结果基本吻合,说明了损伤预测模型的合理有效性.
参考文献
| [1] | Fang Guo-dong;Liang Jun;Wang Bao-lai .Progressive damage and nonlinear analysis of 3D four-directional braided composites under unidirectional tension[J].Composite structures,2009(1):126-133. |
| [2] | Asymptotic expansion homogenization for simulating progressive damage of 3D braided composites[J].Composite structures,2010(4):873. |
| [3] | 徐焜,许希武.三维编织复合材料渐进损伤的非线性数值分析[J].力学学报,2007(03):398-407. |
| [4] | 庞宝君,杜善义,韩杰才,王铎.三维多向编织复合材料非线性本构行为的细观数值模拟[J].复合材料学报,2000(01):98-102. |
| [5] | WU D L .Three-cell model and 5D braided structural composites[J].Computer Science and Technology,1996,56(03):225-233. |
| [6] | 李金超,张一帆,孙菲,陈利.三维五向编织复合材料的力学性能分析Ⅰ：细观结构模型[J].复合材料学报,2009(01):150-155. |
| [7] | 卢子兴,刘子仙.三维五向编织复合材料的弹性性能[J].北京航空航天大学学报,2006(04):455-460. |
| [8] | 李典森,刘子仙,卢子兴.三维五向编织复合材料弹性性能的数值预报[J].北京航空航天大学学报,2008(08):891-895. |
| [9] | K.Xu;X.W.Xu .Finite element analysis of mechanical properties of 3D five-directional braided composites[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2008(1/2):499-509. |
| [10] | 徐焜 |
| [11] | Li, DS;Lu, ZX;Chen, L;Li, JL .Microstructure and mechanical properties of three-dimensional five-directional braided composites[J].International Journal of Solids and Structures,2009(18/19):3422-3432. |
| [12] | FANG G D;LIANG J;WANG B L.Effect of interface properties on mechanical behavior of 3D four directional braided composites with large braid angle subjected to uniaxial tension[J].Applied Composite Materials,2010:1-17. |
| [13] | LI Xuetao;BINIENDA Wieslaw K;GOLDBERQ Robert K .Finite element model for failure study of two dimensional triaxially braided composite[J].Journal of Aerospace Engineering ASCE,2010,24(02):170-180. |
| [14] | 徐正亚 .三维五向编织复合材料细观结构及工艺分析[D].天津工业大学,2007. |
| [15] | 徐焜 |
| [16] | Masaru Zako;Yasutomo Uetsuji;Tetsusei Kurashiki .Finite element analysis of damaged woven fabric composite materials[J].Composites science and technology,2003(3/4):507-516. |
| [17] | 张超,许希武,毛春见.三维编织复合材料渐进损伤模拟及强度预测[J].复合材料学报,2011(02):222-230. |
| [18] | 李仲平,卢子兴,冯志海,李典森.三维五向碳/酚醛编织复合材料的拉伸性能及破坏机理[J].航空学报,2007(04):869-873. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%