Fullerenes in crucible steel? 1

[Greenleader]

Has anyone heard of fullerene (C60, C70) formation in thermal cycled (below melt), crucible steel? I've heard rumors, but no conformations. What do you make of this;

http://www.ogbus.com/eng/authors/Kuzeev/Kuzeev_1.pdf

Gerald

 

[Greenleader]

Sorry. Here is a good link.

http://www.ogbus.com/eng/authors/Kuzeev/Kuzeev_1.pdf

 

[SMF1964]

On the Journalism scale of skepticism & believability, I would rate this about a "National Enquirer". The cooling process from the molten state would have the carbon in solution in a liquid metal (non-ordered structure here). Upon solidification (we'll skip the peritectic and delta iron, since I don't understand that part) and cooling to the austenite range, the carbon is dissolved in the steel, in an interstitial position within the face-centered cubic structure that is austenite. You can't maintain a carbon bucky-ball structure here either. Now cool the austenite slowly to form ferrite and carbide (Fe3C) which is, again, not a bucky-ball structure.

 

[Greenleader]

Thanks.
I wasn't sure at what temp. the fullerene structures “disassembled“. I will be much more skeptical about fullerenes reported in steel structures anyway. Gerald