三维间隔连体织物复合材料是由纤维连续织造呈空芯结构的三维间隔连体编织物作增强体的新型轻质夹层结构,具有整体性、轻质、可设计、低成本等特点.本文中对三维间隔连体织物复合材料增强体的结构特征进行了分析,考察了材料在平压、剪切和三点弯曲载荷作用下的力学特性及破坏模式,并分析了织物结构参数对复合材料平压、剪切、三点弯曲性能的影响.结果表明:随芯柱高度的增加,材料的压缩强度和剪切强度降低,弯曲刚度增加;随芯柱密度的增加,材料的压缩强度、剪切强度和弯曲刚度都有大幅度的提高,且纬向剪切强度和弯曲刚度都大于经向.研究结果为该类材料的结构优化设计和性能分析奠定了重要基础.
参考文献
| [1] | 郑锡涛,孙秦,李野.全厚度缝合复合材料泡沫芯夹层结构力学性能研究与损伤容限评定[J].复合材料学报,2006,23(6):29-36.Zheng Xitao,Sun Qin,Li Ye.Mechanical behavior and damage tolerance tests of composites through-thickness stitched foam sandwich panels[J].Acta Materiae Compositae Sinica,2006,23(6):29-36. |
| [2] | Drechsler K,Brandt J,Arendts F J.Integrally woven sandwich-structures[C]// Proc ECCM-3.Bordeaux,Elsevier Applied Science,1989:365-371. |
| [3] | Verpoest I,Wevers M.3D-fabrics for compression and impact resistant composite sandwich structures[C]// 35th Interna-tional SAMPE Symposium.Anaheim:Covina,1990:296-307. |
| [4] | Van Vuure A W,Ivens J,Verpoest I.Sandwich-fabric panels[C] // 40th International SAMPE Symposium.Anaheim:SAMPE,1995:1281-1292. |
| [5] | Ivens J,Vandeurzen Ph,Van Vuure A W,Verpoest I,Ko F K,Meerding K.Modeling of the skin properties of 3D sand-wich fabric composites[C]// Miravete A,editor.Proceedings of ICCM-9.England:Woodhead Publishing Ltd,1993:540-547. |
| [6] | Van Vuure A W,Flug J P.Modeling the core properties of composite panels based on woven sandwich-fabric preforms[J].Composites Science and Technology,2000,60(8):1263-1276. |
| [7] | Hosur M V,Abdullah M,Jeelani S.Manufacturing and low-velocity impact characterization of hollow integrated core sandwich composites with hybrid face sheets[J].Composite Structures,2004,65(1):103-115. |
| [8] | Hosur M V,Abdullah M,Jeelani S.Manufacturing and low-velocity impact characterization of foam filled 3-D inte-grated core sandwich composites with hybrid face sheets[J].Composite Structures,2005,69(2):167-181. |
| [9] | Vaidya U K,Hosnr M V,Kumar P,et al.Impact damage resistance of innovative sandwich composites[C]// Interna-tional Conference on Advanced Composites.Hurghuda,1998:215-225. |
| [10] | Shyr Tien-Wei,Pan Yu-Hao.Low velocity impact responses of hollow core sandwich laminate and interply hybrid laminate[J].Composite Structures,2004,64(2):189-198. |
| [11] | Hosur M V,Abdullah M,Jeelani S.Dynamic compression behavior of integrated core sandwich composites[J].Materials Science and Engineering,2007,445/446:54-64. |
| [12] | Judawisastra H,Ivens J,Verpoeat I.StiUeto indentation testing of 3D woven sandwich composites[C]// ECCM-8.Cambridge:Woodhead Publishing Ltd,1998:575-582. |
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