A kind of carbon whiskers in new structure and morphology

Carbon whiskers with new structure and morphology were observedwhen heating the milled graphite. Transmission electron microscopy (TEM) and high resolution electron microscopy (HREM) show that carbon layers are almost perpendicular to the growth axes of carbon whiskers. Field emission scanning electron microscopy (FESEM) indicates that there are spirals appearing on the surface of the whiskers. The structure analysis shows that the growth mechanism of carbon whiskers is related to the trace amount of ZrC in the heated samples.

作 者： DONG Jian SHEN Wanci Hu Xiaofang ZHANG Baofa LIU Xuan KANG Feiyu Gu Jialin Chen Nanping   作者單位： DONG Jian,SHEN Wanci,LIU Xuan,KANG Feiyu,Gu Jialin,Chen Nanping(Materials Research Center, Department of Materials Science and Engineering, Tsinghua University, Beijing 100084, China)

Hu Xiaofang(Department of Industrial Equipment and Control Engineering, South China Technology University, Guanzhou 510641, China)

ZHANG Baofa(Beijing Institute of Aeronautical Materials, POB: 81-26, Beijing 100095, China) 

刊 名： 中國科學B輯(英文版)  EI SCI 英文刊名： SCIENCE IN CHINA(SCIENTIA SINICA)  年，卷(期)： 2001 44(1)  分類號： O6  關鍵詞： carbon whisker   ball milling   TEM   FESEM   ZrC   X-ray diffraction(XRD)  

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