New alloy of iron and aluminium as good as titanium, at a tenth of the cost |
Titanium alloys are lightweight, strong, crack-resistant, and fatigue-resistant. This makes them useful in aerospace applications. Unfortunately Titanium is also expensive - around $3 a pound. Read the rest
http://feeds.boingboing.net/~r/boingboing/iBag/~3/ckTOSmoyumI/new-alloy-of-iron-and-aluminiu.html
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