摘要
本工作利用扫描电镜、X射线衍射仪及正交偏光显微镜研究了沥青中间相以及单向C/C复合材料基体中间相在800mT磁场中处理后的取向,证实了沥青中间相的层片平行于磁场方向;在本工艺条件下,制造的单向C/C复合材料基体中间相层片垂直于碳纤维.
SEM, X-ray Diffraction and Reflected Polarized Micrography using crossed polarizers were employed to investigate the orientation of unidirectional C/C composites' matris mesophase pitch in 0.8T magnetic field and verified that the mesophase layers of the C/C composites were parallel to magnetic field's direction. It was found that the mesophase layers of the C/C composites in the magnetic field were perpendicular to the carbon fibers.
出处
《无机材料学报》
SCIE
EI
CAS
CSCD
北大核心
1997年第4期556-560,共5页
Journal of Inorganic Materials
基金
国家自然科学基金!59382014
关键词
强磁场
复合材料
沥青
中间相
取向
碳纤维
strong magnetic field, C/C composites, mesophase pitch, orientation, SEM