In a message dated 98-03-23 08:36:22 EST, rudder1@ibm.net writes:
<< Not necessarily. Some alloys are designed to be self-healing. That is,
their surface rust prevents the oxidation from progressing further. If
the coating of rust is scratched, the scratch rusts and the oxide
coating regains its integrity. >>
Witness the Space Shuttle fuel tank.
Tom, K5RC/7
aka K7GJ
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