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Materials Selection of Disc Brake Pads

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Materials Selection of Disc Brake Pads Benjamin Narvaez MEEN 3344 Operation of Disc Brakes Factors in Material Selection Coefficient of friction Heat fade Thermal ... – PowerPoint PPT presentation

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Title: Materials Selection of Disc Brake Pads


1
Materials Selection of Disc Brake Pads
  • Benjamin Narvaez
  • MEEN 3344

2
Operation of Disc Brakes
  • Brake pedal is depressed pushing fluid through
    the system
  • A piston is then forced out
  • Brake pads are forced together
  • Friction between pads and rotor cause the car to
    slow down

3
Factors in Material Selection
  • Coefficient of friction
  • Heat fade
  • Thermal expansion
  • Hardness

4
Brake Pad Materials
  • Organic and Asbestos - health issues, softer
    composition, low heat fade resistance, small
    range of use
  • Semi-Metallic -
  • 40 metal by content wt(steel wool, iron,)
  • hard surface, high friction
  • Towing, larger vehicles
  • Low heat concern, wears rotors fastest
  • Ceramic
  • Ceramic fibers, lt15 metal by wt. Ct.
  • High hardness, more advanced technology
  • High heat operation, less heat fade
  • Long life

5
Text and Photo References
  • http//www.boschusa.com/AutoParts/FAQs/BrakePads/
  • www.wilwood.com
  • www.howstuffworks.com
  • http//www.e-z.net/ts/ts/Brakfade.htm
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