在预测三维机织复合材料力学性能时,将纱线特别是纬纱横截面假设成何种形状一直众说纷纭.本文中假设纬纱截面形状分别为圆形、跑道形、凸透镜形、矩形,经纱横截面形状为矩形,采用刚度平均法和等应变力学模型计算了4种角联锁结构复合材料的弹性模量,经与复合材料的数字图像对比分析和实验验证表明,圆形纬纱截面形状假设与数字图像相差较大,与其它截面形状假设的弹性模量预测结果相差也较大,跑道形、凸透镜形、矩形等纬纱截面形状假设彼此间弹性模量预测结果的差异很小,与实验数据也具有较好的一致性.
参考文献
| [1] | Chou T W,Ko F K.Textile Structural Composites[M].Amsterdam:Elsevier Science Publishers,1989:129-170. |
| [2] | Mouritz A P,Bannister M K,Falzon P J.Review of applications for advanced three-dimensional fibre textile composites[J].Composites Part A,1999,30(11):1445-1461. |
| [3] | 道德昆,吴以心,李兴国.立体织物与复合材料[M].上海:中国纺织大学出版社,1998.Dao Dekun,Wu Yixin,Li Xingguo.Three-dimensional fabric and composites[M].Shanghai:Textile University of China Press,1998. |
| [4] | 杨彩云,李嘉禄.复合材料用3D角联锁结构预制件的结构设计及新型织造技术[J].东华大学学报,2005,31(5):53-58.Yang Caiyun,Li Jialu.The structural design and new weaving technique of 3D angle-interlock preforms for composites[J].Journal of Donghua University,2005,31(5):53-58. |
| [5] | Pochiraju K,Chou T W.Three-dimensionally woven and braided composites Ⅰ:A model for anisotropic stiffness prediction[J].Polymer Composites,1999,20(4):565-580. |
| [6] | Naik N K,Azad S N M,Prasad P D.Stress and failure analysis of 3D angle interlock woven composites[J].Journal of Composite Materials,2002,36(1):93-123. |
| [7] | Whitcomb J D,Kyeongsik W.Enhanced direct stiffness method for finite element analysis of textile composites[J].Composite Structures,1994,28(4):385-390. |
| [8] | Peirce F T.The geometry of cloth structure[J].J Text Inst,1937,28(3):45-96. |
| [9] | Love L.Graphical relationships in cloth geometry for plain,twill and sateen weaves[J].Textile Research Journal,1954,24(12):1073-1083. |
| [10] | Byun J H,Chou T W.Elastic properties of three-dimensional angle-interlock fabric preforms[J].J Text Inst,1990,81(4):538-548. |
| [11] | Tan P,Tong L,Steven G P.Micromechanics models for mechanical and thermomechanical properties of 3D throughthe-thickness angle interlock woven composites[J].Composites Part A,1999,30(5):637-648. |
| [12] | 杨彩云,李嘉禄.基于纱线真实形态的三维机织复合材料细观结构及其厚度计算[J].复合材料学报,2005,22(6):178-182.Yang Caiyun,Li Jialu.Study on microstructure and thickness equation of 3D woven composites based on yarn's true configuration[J].Acta Materiae Compositae Sinica,2005,22 (6):178-182. |
| [13] | 王兴业.复合材料力学分析与设计[M].长沙:国防科技大学出版社,1999.Wang Xingye.Mechanical analysis and design of composites[M].Changsha:National University of Defence Technology Press,1999. |
| [14] | 航空航天工业部科学技术研究院.复合材料设计手册[M].北京:航空工业出版社,1990.Science and Technology Institute of Aeronautics and Astronautic Industry Ministry.Design handbook of composites[M].Beijing:Aviation Industry Press,1990. |
| [15] | 杨彩云.三维角联锁结构复合材料的力学性能研究[D].天津:天津工业大学,2005.Yang Caiyun.Study on the mechanical properties of threedimensional angle-interlock architecture composites[D].Tianjin:Tianjin Polytechnic University,2005. |
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