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Author: Subject: Aluminium carbide Al3C4
KonkreteRocketry
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[*] posted on 23-3-2013 at 03:33
Aluminium carbide Al3C4


Can i make Aluminum carbide by....

Thermal decomposition of sucrose to get some fine Carbon, then powder it, and get some powdered aluminum, heat at 900 degree celsius (Or do i need a higher temperature ?) To melt the aluminum and get Al3C4 ?
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kristofvagyok
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[*] posted on 23-3-2013 at 03:39


Quote: Originally posted by KonkreteRocketry  
Can i make Aluminum carbide by....

No.

Metal Al with theor. amount of carbon was heated in elec. furnace at 1975-2000 °C, atmospheric pressure, H2 atmosphere. Yield: 83%
Gmelin Handbook: Al: MVol.B1, 7.5.1.1, page 287 - 290




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H2libfront
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[*] posted on 23-3-2013 at 05:38


If you have cryolite, maybe you could try this:

"Produces aluminum carbide when the powder metal is heated with carbon at 2000°C or at 1000°C in presence of cryolite"
Source: http://www.hillakomem.com/tag/aluminum
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[*] posted on 23-3-2013 at 06:12


Cryolite is also added to the alumina used as a starting material when they electrolytically produce aluminium on an industrial scale, to lower the melting point and reduce costs.



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Adas
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[*] posted on 23-3-2013 at 08:19


This process would need an electric furnace, or induction heater.



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