Couple of questions I can't quickly Google an answer to :
1) What is the evaporation point of Hafnium Carbide ( HfC ) ? I can find various people telling me the melting point ( seems to range, but 3,800 - 4,100 o C ) but as a result of some processing I need to know the evaporation point.
2) HfC : made by reacting hafnium oxide with carbon at high temperatures. Is it a compound ? ( ie a chemical bond ) or is it a composite ?
To chemists these will probably sound like very sily questions. Sorry, but as various people here know I'm just a scandium salesman.
Tim Worstall
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