<br />
<a href="http://www.newscientisttech.com/article/dn11670-supertough-material-mimics-metal-and-crystal.html"
target="_blank">http://www.newscientisttech.com/article/dn11670-supertough-material-mimics-metal-and-crystal.html</a><br />
rhenium diboride, no pressure, just melt rhenium and boron together.
they claim it will scratch diamondnot_important - 21-4-2007 at 07:54
Heh
"But all the known super-hard materials are very expensive because they [have to be] made at high pressure"
So substitute in the lost cost rhenium , at only US$ 6000 per troy ounce...Waffles - 23-4-2007 at 03:53
Rhenium is $2500/pound. Considering many other metals, thats REALLY not that expensive.
At least now I know why Theo Gray contacted me looking for a picture of ReB2 for ACS.not_important - 23-4-2007 at 04:59
You're correc - there appears to be two markets in rhenium, with a vast gap in the pricing.Waffles - 24-4-2007 at 12:31
Quote:
Originally posted by not_important
You're correc - there appears to be two markets in rhenium, with a vast gap in the pricing.
I thought you just confused it with rhodium, which has been floating around 6000/troz oz for awhile now.
Re is way cooler anywaysEclectic - 24-4-2007 at 12:46
It's good for making rocket nozzles and other things that need to be very strong at very high temperatures. Needs plating with Iridium to prevent
oxidation though.franklyn - 24-4-2007 at 18:01
