Boron migration in boron-doped carbon/carbon composites
โ Scribed by R.J. Zaldivar; R.W. Kobayashi; G.S. Rellick; J.-M. Yang
- Publisher
- Elsevier Science
- Year
- 1992
- Tongue
- English
- Weight
- 573 KB
- Volume
- 30
- Category
- Article
- ISSN
- 0008-6223
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๐ SIMILAR VOLUMES
Two methods have been employed to prepare boron-doped carbon materials. One method utilized ion implantation to dope the surface region of vitreous carbon with up to 12 atomic % boron. The other method used CVD to prepare -1-2 micron thick carbon coatings with various boron contents (0 to 15 atomic
Abst~ct-3oron-doped carbons were prepared at temperatures from 1000 to 28CWC. The effect of boron doping on the thermal conductivity of carbons has been studied and discussed with the results from Raman scattering. Boron doping above 2200ยฐC depressed the thermal conductivity of carbons and increased