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Conclusion

Ceramic brake rotors are the best choice of rotor because:

  • Can be produced by casting - Main rotor production method
  • High lifespan – Requires less replacement in the future
  • Quiet – Less noise pollution
  • Reduce heat build up – High heat dissipation rate

Material Screening Process & Ranking

From the criteria we chose, we are able to narrow down to three best candidates:

  • Ceramic
  • Carbon-carbon composites
  • Cast Iron

Weight Factors

Comparison Of Materials

Ranking

Scaling

Material Selection Properties

Material Selection Factors

  • High coefficient of friction
  • Low cost
  • Long lifespan
  • High thermal dissipation rate
  • Quiet
  • Can be manufactured through casting

Function

  • Transmit braking power from the caliper to the rim.

Requirements

  • Have friction to transmit braking power
  • Low noise level
  • Low life cycle cost
  • Low pollution rates
  • Low energy consumption
  • Provide safety and reliability

Brake Rotor Material Selection

Introduction to Brake Rotor

By: Wei Jun Lim

Adam Ee

Tengsong Ng

Slotted Brake Rotors

  • Used in high performance car drivers
  • Advantages
  • Uses slot carved into the flat metal surface to remove gas build up, heat and water from the surface of rotors.
  • Can withstand higher stress than drilled design
  • Disadvantages
  • Wear break pads faster

Brake rotors need to be replaced periodically. The lifespan of a brake rotor depends on its material and design.

Two types of rotor design:

  • Slotted Brake Rotor
  • Drilled Brake Rotor

Drilled Brake Rotor

  • Used in standard performance automobiles
  • Advantages
  • Heat will not build up
  • Water will be removed quickly
  • Gas will not build up between pads and rotors
  • Disadvantage
  • Holes tend to weaken the rotors that could cause crack after repeated stressful driving

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