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现代化的表面分析技术在某些领域的应用已得到了很好的效果。在我们的复合材料测试中,只要解决好样品制备、表面清洁及电荷累积的消除诸问题,就使测试成为可能。本文介绍了四种不同工艺生产高强度碳纤维的SAM微区分析的检测结果。由于不同的预氧化碳工艺所得的碳纤维的碳化曲线的均匀度是不大相同的,对照抗拉强度的图表来看碳化均匀性好的碳纤维其抗拉强度也大,沿径向碳的分布是起伏不一,并不象人们所想的是锅底形状的。我们认为碳在径向分布与碳纤维的力学性能有关,测试结果也证实了这一点。从SAM微区分析检测结果来看,对单根碳纤维,我们检测了它的组分和元素分布,提供了一些其它分析手段得不到的新的信息。这种方法使测试复合材料和碳纤维又多了一种先进的可靠的特殊的分析手段和工具。如果能进一步深入研究,必将揭示碳纤维碳化过程的微观性能和宏观的物理、力学机械性能的内在联系。
The application of modern surface analysis technology in some areas has been very good. In our composite testing, testing is made possible by solving the problems of sample preparation, surface cleaning, and elimination of charge accumulation. This article describes the results of SAM microdissection of four different processes for the production of high strength carbon fibers. As the carbonization curves of carbon fibers obtained by different pre-oxidized carbon process are not uniform, the tensile strength of carbon fiber with good uniformity of carbonization is also large in tensile strength and the carbon in radial direction is Undulating, not as people think is the shape of the bottom of the pot. We believe that the distribution of carbon in the radial distribution and the mechanical properties of carbon fiber, the test results also confirm this. From the results of SAM microanalysis, we examined the composition and elemental distribution of a single carbon fiber and provided some new information not available from other analytical tools. This method makes testing of composite materials and carbon fiber is an advanced and reliable special analysis tools and tools. If you can further study, will reveal the carbon fiber carbonization process of micro-performance and macroscopic physical, mechanical and mechanical properties of the internal relations.