Coefficient of Friction

  • Thread starter zubbylight
  • Start date
  • #1
Hi all
*Pls can somebody tell me why clutches and brakes need high coefficient of friction
*also i need applications where engineers need to have materials having low values for the coefficient of friction
Thanks
 

Answers and Replies

  • #2
783
9
Well, for a clutch, you don't want it to slip. If it slips it isn't doing its job so you would want a high coefficient of friction.

There are two types of coefficients of friction. One is kinetic and the other is static.

Any situation in which you would want to have something slide with ease would be an application for a low coefficient of friction.

Thanks
Matt
 
  • #3
122
1
Low coefficient of friction, engineering...hair conditioner, lubrication at the sample/platen interface in compression testing, relief and rake faces on cutting tools, bearings...plenty of things!
 

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