| 稀土处理对F-12纤维/环氧复合材料拉伸性能的影响 |
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| 引用本文： | 吴炬,程先华.稀土处理对F-12纤维/环氧复合材料拉伸性能的影响[J].上海交通大学学报,2005,39(11):1795-1798. |
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| 作者姓名： | 吴炬 程先华 |
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| 作者单位： | 上海交通大学,机械与动力工程学院,上海,200030 |
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| 基金项目： | 国家自然科学基金资助项目（50275093） |
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| 摘 要： | 分别采用稀土改性剂（RES）、环氧氯丙烷（ECP）接枝改性方法对F-12芳纶纤维表面进行改性处理，研究这两种表面改性方法对F-12纤维的单丝拉伸强度及其环氧复合材料拉伸性能的影响．探讨了改性剂中稀土元素质量分数对复合材料拉伸性能的影响，并应用扫描电子显微镜（SEM）对复合材料拉伸试件的断口进行分析．结果表明，RES能很好地提高F-12纤维和环氧基体的界面结合力，从而明显地提高复合材料的拉伸性能，并且对纤维的单丝拉伸强度几乎没有影响．
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| 关 键 词： | 稀土 F-12纤维 环氧复合材料 拉伸性能 |
| 文章编号： | 1006-2467(2005)11-1795-04 |
| 收稿时间： | 2004-11-30 |
| 修稿时间： | 2004年11月30 |
The Effect of Rare Earth Treatment on Tensile Properties of F-12 Fiber Reinforced Epoxy Composites |
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| WU Ju,CHENG Xian-hua.The Effect of Rare Earth Treatment on Tensile Properties of F-12 Fiber Reinforced Epoxy Composites[J].Journal of Shanghai Jiaotong University,2005,39(11):1795-1798. |
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| Authors: | WU Ju CHENG Xian-hua |
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| Institution: | School of Mechanical Eng. , Shanghai Jiaotong Univ. , Shanghai 200030, China |
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| Abstract: | Solutions of rare earth(RES) modifier and epoxy chloropropane(ECP) grafting modification method were used for the surface treatment of F-12 fiber. The effects of these methods on the tensile properties of F-12 fiber and its epoxy composites were investigated.The effects of rare earths weight fraction on the tensile properties of F-12/epoxy composites were discussed,and the fracture surfaces of tensile specimens were analyzed by employing SEM.The results show that RES is efficient in promoting interfacial adhesion between F-12 fiber and epoxy matrix,therefore the tensile properties of composites can be promoted obviously.Meanwhile,the tensile strengths of single fibers are almost not affected by RES treatment. |
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| Keywords: | rare earth F-12 fiber epoxy composites tensile properties |
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