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Thermal conductivity and difference interference fit

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Mr_Curious

Mechanical
Joined
Jul 14, 2020
Messages
47
Location
RU
Hello.

Does the thermal conductivity between steel parts vary with increasing interference fit?
For example steel parts with fits H7/p6 and with tighter fits H7/r6 have the sale thermal conductivity?

Can anyone provide guidance here?
 
If the two parts are in direct contact with no air gap I can't see any impact on thermal conductivity. Or certainly not one worth worrying about.
 
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