Journal
MATERIALS TRANSACTIONS
Volume 55, Issue 3, Pages 458-460Publisher
JAPAN INST METALS
DOI: 10.2320/matertrans.MD201307
Keywords
carbon nanotube; irradiation damage; microstructure evolution; in-situ observation
Funding
- JSPS KAKENHI [24656554]
- Grants-in-Aid for Scientific Research [24656554] Funding Source: KAKEN
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In-situ observations of microstructure evolution of the electron-irradiated multi-wall carbon nanotubes (MWCNT) were carried out by using a high voltage electron microscope (HVEM). Electron irradiation at relatively low temperatures exhibited changes in the structure of the MWCNT, such as in the distance and ruggedness of walls. The MWCNT appeared to be stable during electron irradiation at relatively high temperatures probably due to a higher probability of recombination between knock-on atoms and vacancies in walls, meaning that composites developed with CNT could be stable and maintain high thermal conductivity during irradiation at high temperatures.
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