通过调控原丝工艺,制备得到形貌结构不同、力学性能相近的PAN基碳纤维(CF),用以模拟碳纤维表面光滑与沟槽结构对其电化学氧化行为的影响.研究表明:原始形貌光滑碳纤维在电化学过程中保持形貌能力较强,相同的电化学氧化强度下,其表面氧碳比高于原始表面粗糙的碳纤维,表明其氧化程度高.X射线光电子能谱(XPS)分峰结果表明,二者表面氧含量差别来自于表面羰基含量的差异.力学性能测试结果表明具有沟槽形貌的碳纤维拉伸强度及拉伸模量提高的幅度较大,其中拉伸强度提高最大值为17.3％.将氧化前后的碳纤维制备成碳纤维增强树脂基复合材料,探讨碳纤维形貌结构对其复合材料界面性能的影响.结果表明:由具有沟槽形貌的碳纤维制备得到的复合材料层间剪切强度(ILSS)较高,表明碳纤维表面物理形貌也是影响复合材料界面的重要因素.
参考文献
| [1] | Kingsley K.C. Ho;Graham Beamson;George Shia.Surface and bulk properties of severely fluorinated carbon fibres[J].Journal of Fluorine Chemistry,200711(11):1359-1368. |
| [2] | Zhishuang Dai;Baoyan Zhang;Fenghui Shi;Min Li;Zuoguang Zhang;Yizhuo Gu.Effect of heat treatment on carbon fiber surface properties and fibers/epoxy interfacial adhesion[J].Applied Surface Science: A Journal Devoted to the Properties of Interfaces in Relation to the Synthesis and Behaviour of Materials,201120(20):8457-8461. |
| [3] | Pittman CU;Yue ZR;Gardner S;Wang L;Toghiani H;Leon CA;Jiang W.Surface properties of electrochemically oxidized carbon fibers[J].Carbon: An International Journal Sponsored by the American Carbon Society,199911(11):1797-1807. |
| [4] | Yue ZR;Wang L;Gardner SD;Pittman CU;Jiang W.Surface characterization of electrochemically oxidized carbon fibers[J].Carbon: An International Journal Sponsored by the American Carbon Society,199911(11):1785-1796. |
| [5] | 曹海琳;黄玉东;张志谦.NH4HCO3溶液中PAN-基碳纤维电化学改性机理[J].复合材料学报,2004(3):22-27. |
| [6] | 王建彬;李昭锐;王小谦;张静;徐樑华.不同石墨化程度碳纤维表面电化学氧化特征研究[J].北京化工大学学报（自然科学版）,2012(5):64-68. |
| [7] | 王成忠;杨小平;于运花;刘承坤.XPS,AFM研究沥青基碳纤维电化学表面处理过程的机制[J].复合材料学报,2002(5):28-32. |
| [8] | 郭云霞;刘杰;梁节英.电化学改性对PAN基碳纤维表面状态的影响[J].复合材料学报,2005(3):49-54. |
| [9] | Wei Song;Aijuan Gu;Guozheng Liang;Li Yuan.Effect of the surface roughness on interfacial properties of carbon fibers reinforced epoxy resin composites[J].Applied Surface Science: A Journal Devoted to the Properties of Interfaces in Relation to the Synthesis and Behaviour of Materials,20119(9):4069-4074. |
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