Polymer with high Coefficient of Friction to Carbon Fiber

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SUMMARY

The discussion focuses on designing a clamp for a hollow carbon fiber tube with a diameter of 2.5 inches, intended to bear a load of 15-20 lbs at angles between 20-70 degrees. Mike seeks a polymer that can be over-molded or sprayed onto the clamp, providing a high coefficient of friction with carbon fiber while ensuring it does not damage the tube. The polymer must resist shearing, endure multiple uses, and operate effectively in temperatures ranging from -20 to 120 degrees Fahrenheit. Suggestions include vulcanized rubber and silicone rubber as potential materials.

PREREQUISITES
  • Understanding of polymer properties and applications
  • Knowledge of carbon fiber material characteristics
  • Familiarity with load-bearing design principles
  • Experience with temperature tolerance specifications for materials
NEXT STEPS
  • Research the friction properties of vulcanized rubber and silicone rubber with carbon fiber
  • Investigate over-molding techniques for polymers on composite materials
  • Explore load testing methods for clamp designs under varying angles
  • Learn about environmental resistance of polymers in temperature extremes
USEFUL FOR

This discussion is beneficial for mechanical engineers, product designers, and materials scientists involved in composite material applications and load-bearing mechanisms.

MJGT2012
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Hey all,

I'm trying to design a clamp that has to hold onto a hollow carbon fiber tube, approximately 2.5 inches in diameter. The clamp will be bearing a 15-20lb load. The carbon fiber will be at angles from 20-70 degrees from a vertical axis.

I'm curious if there is a polymer that can be over-molded or sprayed onto the clamp, and have a high coefficient of friction with the carbon fiber, thus minimizing slip. The clamp must not damage the carbon fiber tube. The polymer cannot be easily sheared off and must withstand multiple uses. The environment of use is day to day. If the polymer has a temperature tolerance between -20 to 120 degrees F, that would be fantastic.

Any and all insight would be much appreciated.

Thanks!

Mike
 
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Vulcanized rubber or silicon rubber ?
 

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