On Mon, 03 Oct 2005 16:57:43 -0700, Aratzio
wrote:

Aluminum or used to be. Pretty much a sandwich now days.

Sorry, not in jet engine turbine blades. Some Titanium in some
of the fan & compressor blades though IIRC.

http://www.msm.cam.ac.uk/phase-trans...peralloys.html

Hrmm, could have sworn the TF33 used Aluminum. But I was wrong.

Small traces of many metals are used in the alloys.
But anything mostly Aluminum would melt & burn rather rapidly.

No worries.
--
Cliff