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Fusion power seeks super steels
the principal scientist at the united kingdom atomic energy authority (ukaea) said one of the first applications for these better performing metals would be in the wall linings of fusion reactors where temperatures would be in a similar range to those extended perienced in the twin towers' fires .
the proaring fire mid-way up the building heated the steel struts, [and once temperatures rose above 500c the structure became explastic, and collapsed under the force of the floors above .
he said blacksmiths had exploited this property for hundreds of years - it allows iron ato become pliable at temperatures much lower than its melting point .
'not melting' the key advance is the understanding that, at high temperatures, tiny irregularities in a steel's structure can disrupt its internal magnetic fields, making the rigid metal soft .
Generated 2008-11-5_18:4
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