Re: Strengths of materials

From: Amara Graps (
Date: Tue Aug 08 2000 - 08:54:41 MDT

From: John Clark (, Mon Aug 07 2000

>Sapphire whiskers (Al2O3) is the strongest material that has been

Is that Al2O3 correct? I didn't know that sapphire whiskers and
Aluminum oxide was the same material. Cool.

Al2O3 is the material that is released from the solid rocket motor
firings when pushing a satellite into higher orbits. This material
is among the most common debris material in orbit around the earth.

Here is a picture of an aluminum oxide sphere attached to a
micrometeroid (cosmic dust) particle:



*************************************************************** Amara Graps | Max-Planck-Institut fuer Kernphysik Interplanetary Dust Group | Saupfercheckweg 1 +49-6221-516-543 | 69117 Heidelberg, GERMANY * *************************************************************** "Never fight an inanimate object." - P. J. O'Rourke

This archive was generated by hypermail 2b29 : Mon Oct 02 2000 - 17:35:42 MDT