科研之友
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摘要
This communication reported an intuitive and convenient approach to detect the structural heterogeneity of carbon fibers by using Raman spectroscopy. As indicated by both the linear and mapping modes, the skin-core difference was enhanced with the rising temperature during the graphitization. This enhanced structural heterogeneity was observed to strongly influence the tensile fracture mode and the tensile properties of the graphitized fibers.
- 出版日期2014
- 单位中国科学院山西煤炭化学研究所; 航天材料及工艺研究所; 中国科学院大学
