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post #9 of Old 01-05-2009
AllThumbs
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Quote:
Galling is not a problem for parts securely fastened together, only when they are free to move against each other.
This is true but you need one more ingredient to assure galling: Pressure

Actually this phenomenon is put to good use in industry, where parts can be permanently welded by just rubbing them together under extreme pressure.

Eric

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