Mechanical properties of carbon fiber (CF) reinforced plastic composites are influenced by physicochemical interactions between CF surfaces and matrix polymers. Poor interfacial adhesion between CF surfaces and matrix polymer molecules caused by inertness of graphitic carbon still remains to be solved. Deeper comprehension of the interfacial properties would promote advancement of technologies enhancing the physicochemical interactions. Versatile methods for evaluation of CF surface properties along with interactions at the CF/polymer interface are required. In the present paper, we propose a method to measure interaction forces between CF surfaces and other substances with the aid of atomic force microscope (AFM). Small CF chips were mounted on AFM cantilevers to measure forces between the CF chip surfaces and other materials. Interaction forces between CF chips with/without ultraviolet generated ozone (UV‐ozone) treatment and epoxy precursor molecules were monitored. It has been widely accepted that the UV‐ozone treated CF surfaces exhibit superior affinity to organic molecules. Results of the interaction force measurements were consistent with the knowledge. This is the first paper reporting direct measurement of interaction forces between CF surfaces and other substances.

中文翻译：

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直接测量碳纤维表面与其他物质之间相互作用力的可行性研究

碳纤维（CF）增强塑料复合材料的机械性能受CF表面与基质聚合物之间的物理化学相互作用的影响。由石墨碳的惰性引起的CF表面与基质聚合物分子之间的不良界面粘合仍然有待解决。对界面性质的更深入理解将促进增强物理化学相互作用的技术的进步。需要用于评估CF表面性能以及CF /聚合物界面相互作用的多功能方法。在本文中，我们提出了一种借助原子力显微镜（AFM）测量CF表面与其他物质之间相互作用力的方法。将小型CF芯片安装在AFM悬臂上，以测量CF芯片表面和其他材料之间的力。监测CF芯片经过/不经过紫外线产生的臭氧（UV-臭氧）处理与环氧前体分子之间的相互作用力。紫外线臭氧处理的CF表面对有机分子表现出优异的亲和力已被广泛接受。相互作用力测量的结果与知识一致。这是第一篇报告直接测量CF表面与其他物质之间相互作用力的论文。