采用高载动态热机械分析仪EPLEXOR500对T300/S-2混杂纤维增强环氧树脂复合材料的动态黏弹特性进行了分析,考察了静态载荷、动态载荷对其储能模量、损耗模量和损耗角正切的影响,并研究和对比了不同载荷水平下混杂比以及混杂方式对动态黏弹性参数的影响规律.结果表明:不同混杂比复合材料的储能模量均随动态载荷的增大而降低,随静态载荷的增大而增大,损耗模量和损耗角正切则随两种载荷的增大而降低.高载荷下混杂复合材料的储能模量仍较好地符合"复合梁理论".动载扫描模式下,损耗角正切随混杂比的变化基本符合"混合定律",夹芯混杂复合材料的储能模量远高于层间混杂复合材料,且损耗角正切也比层间混杂时大;但在静载扫描模式下则是层间混杂复合材料的损耗角正切更大.
参考文献
| [1] | 宋焕成,张佐光.混杂纤维复合材料[M].北京:北京航空航天大学出版社,1996:3-8. |
| [2] | 史卫华,张佐光,李建玲.混杂纤维复合材料的动态力学性能[J].新型炭材料,1996,11(3):23-26.Shi Weihua,Zhang Zuoguang,Li Jianling.Dynamic mechanics of hybrid composites[J].New Carbon Materials,1996,11(3):23-26. |
| [3] | 李岩,过梅丽,冼杏娟,等.超高模量聚乙烯纤维复合材料的制备与性能研究[J].复合材料学报,1997,14(3):54-60.Li Yan,Guo Meili,Xian Xingjuan,et al.Manufacture and properties of ultrahigh modulus polyethylene fiber composites[J].Acta Materiae Compositae Sinica,1997,14(3):54-60. |
| [4] | 孙志杰,吴燕,仲伟虹,等.混杂纤维复合材料热膨胀性能及混杂效应的研究[J].新型炭材料,2000,17(1):49-52.Sun Zhijie,Wu Yan,Zhong Weihong,et al.Study on thermal expansion performance and hybrid effect of hybrid composites[J].New Carbon Materials,2000,17(1):49-52. |
| [5] | 王奇山.层内混杂复合材料断裂纤维附近的应力重分布[J].复合材料学报,2003,20(6):73-79.Wang Qishan.Stress redistribution around a broken fiber in an intermingled hybrid composite sheet[J].Acta Materiae Compositae Sinica,2003,20(6):73-79. |
| [6] | Payne A R.The dynamic properties of carbon black-loaded natural rubber vulcanizates[J].Journal of Applied Polymer Science,1962,6(19):57-63. |
| [7] | Payne A R.Dynamic properties of heat-treated butyl vulcanizates[J].Journal of Applied Polymer Science,1963,7 (3):873-885. |
| [8] | Lazan B J.Behavior of plastics under vibrations[J].Modern Plastics,1942,20(3):83-88,136-138. |
| [9] | Namboodiri C S S,Tripathy D K.Static and dynamic straindependent viscoelastic behavior of black-filled EPDM vulcanizates[J].Journal of Applied Polymer Science,1994,53(7):877-889. |
| [10] | Sullivan J L.The relaxation and deformation properties of a carbon-black filled elastomer in biaxial tension[J].Journal of Polymer Science:Polymer Physics Edition,1986,24(1):161-173. |
| [11] | Sullivan J L.A nonlinear viscoelastic model for representing nonfactorizable time-dependent behavior in cured rubber[J].Journal of Rheology,1987,31(3):271-295. |
| [12] | Lee T H,Boey Y C,Loh N L.Characterization of a fiber-reinforced PPS composite by dynamic mechanical analysis:Effect of aspect ratio and static stress[J].Composites Science and Technology,1993,49(3):217-223. |
| [13] | 过梅丽.高聚物与复合材料的动态力学热分析[M].北京:化学工业出版社,2002:143-144. |
| [14] | Alvarez V A,Valdez M E,Vázquez A.Dynamic mechanical properties and interphase fiber/matrix evaluation of unidirectional glass fiber/epoxy composites[J].Polymer Testing,2003,22:611-615. |
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%