| 碳纤维/聚芳基乙炔复合材料界面特性的原子力显微镜研究 |
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| 引用本文： | 傅宏俊,黄玉东,刘丽.碳纤维/聚芳基乙炔复合材料界面特性的原子力显微镜研究[J].复合材料学报,2005,22(6):85-90. |
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| 作者姓名： | 傅宏俊 黄玉东 刘丽 |
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| 作者单位： | 哈尔滨工业大学 应用化学系,哈尔滨 150001 |
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| 基金项目： | 国家自然科学基金（No.50333030）;黑龙江省杰出青年基金（No.JC04-12）. |
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| 摘 要： | 为深入研究复合材料界面特性,分析复合材料界面改性机理,采用原子力显微镜以力调制模式研究了单向碳纤维/聚芳基乙炔 (CF/PAA) 复合材料横截面的表面形貌和硬度,得到了材料中各相的形态、分布和相对硬度等信息。通过对硬度图像进行统计学分析得到材料表面硬度分布直方图,对不同方法改性后的复合材料界面相特性进行了分析和比较。研究表明,CF未经表面改性处理时,复合材料中无明显的界面相出现,氧化处理后界面上出现硬度变化区域,界面相结构变得复杂,氧化结合高碳酚醛涂层处理后可以获得更为完善的界面相,在纤维与基体间形成一个模量适中的过渡区域,使材料的界面力学性能显著提高。
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| 关 键 词： | 原子力显微镜 碳纤维 PAA 界面相 改性 |
| 文章编号： | 1000-3851（2005）06-0085-06 |
| 收稿时间： | 01 12 2005 12:00AM |
| 修稿时间： | 2005-01-122005-04-11 |
ATOM FORCE MICROSCOPE STUDY ON INTERPHASE CHARACTER OF CARBON FIBER/POLYARYLACETYLENE COMPOSITES |
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| FU Hongjun,HUANG Yudong,LIU Li.ATOM FORCE MICROSCOPE STUDY ON INTERPHASE CHARACTER OF CARBON FIBER/POLYARYLACETYLENE COMPOSITES[J].Acta Materiae Compositae Sinica,2005,22(6):85-90. |
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| Authors: | FU Hongjun HUANG Yudong LIU Li |
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| Affiliation: | Department of Applied Chemistry, Harbin Institute of Technology, Harbin 150001, China |
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| Abstract: | An atom force microscopy in force modulation mode was adopted to study the cross-section surface of(unidirectional) carbon fiber/polyarylacetylene(CF/PAA) composites,and the shape,distribution and relative stiffness of various phases were obtained.The probability histogram of surface relative stiffness,obtained by the statistical(analysis) of the relative stiffness image,was used to compare and study the interphase characters of the composites modified by different methods.The results show that obvious interphase can not be seen in untreated composites,and the structure of the interphase area becomes more complex after oxidation treatment due to the change of stiffness.More perfect interphase can be obtained and a transitional area with moderate modulus can be established between fiber and matrix after the treatment of CF by a combined method of oxidation and coating,so that the mecha-(nical) properties of the interface are improved obviously. |
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| Keywords: | atom force microscope carbon fiber polyarylacetylene interphase modification |
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