Michael F. Adamson wrote:
> If your analogy held true, then an engine block with pistons of the same
> material, with the same coefficient of expansion, should never sieze when
> overheated or even get difficult to turn over. As the pistons expand so
> would the bore, no problem: wrong!
An engine doesn't necessarily sieze because the bore is no longer big enough
for the pistons, but because the heat cannot be conducted away fast enough
so the surfaces melt. Same for bearings. Witness friction welding.
PaulH.
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