Controlled atmosphere electron microscopy has been used to investigate the deposition of carbon on vanadium and molybdenum surfaces during the thermal decomposition of acetylene. Both metals were found to be active catalysts for carbon filament formation, whereas the carbides, VC and MO& were found
Platinum-catalyzed formation of filamentous carbon from acetylene
โ Scribed by D.B Murphy; R.W Carroll
- Publisher
- Elsevier Science
- Year
- 1990
- Tongue
- English
- Weight
- 239 KB
- Volume
- 28
- Category
- Article
- ISSN
- 0008-6223
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๐ SIMILAR VOLUMES
The formation rate of disperse carbon fibers during the thermal decomposition of acetylene in mixtures with nitrogen and hydrogen at temperatures from 450 to 700ยฐC on metal wire surface was investigated. Direct observations of the initial process stages were carried out in an electron microscope.
A combination of controlled atmosphere electron microscopy and Mossbauer spectroscopy has been used to investigate the characteristics of supported o-iron and y-iron particles during the formation of carbon filaments via decomposition of acetylene. y-iron was found to exhibit a higher intrinsic acti
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