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I saw something in Nature.

  1. Aug 17, 2004 #1


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    about ultra-hard ceramics could someone tell me a little about them.
  2. jcsd
  3. Aug 18, 2004 #2


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    I know that ceramic fibers are used in sheets to protect the Space Staion from micrometeorites. There is talk of putting these sheets into bullet-proof vests and armor plating.

    In industrial work, steel and harder metals are often machined by cutting devices with a ceramic blade, because ceramics are very hard and take a long time to wear out.

    Here's a link with some info on how they're made.
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