Rust

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 =What causes rust?=
-Rust needs iron, water, and oxygen to form. Here's how:
-Iron is rarely found in pure form, because it combines so readily with oxygen. There are 16 known iron oxides.
-ref this: http://en.wikipedia.org/wiki/Corrosion
-Plus, information on why older cars rust more quickly than newer cars:
-*Cars are more aggressively coated these days. Galvanizing (explain).
-*Steel used in cars is of a higher quality these days.
-*More salt is used on roads these days.
-Review: http://corrosion-doctors.org/
 ==What is rust?==
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 The notion that, after you "encapsulate" rust, it still "lives underneath", is generally correct. There is mobile oxygen in the metal, living beneath the surface, causing more rust.
+===Why do older cars rust more than newer cars===
+*Cars are more aggressively coated these days. Galvanizing (explain).
+*Steel used in cars is of a higher quality these days.
+*More salt is used on roads these days.
 =Rust assessment=

Revision as of 13:54, 4 August 2007