Friction and vibration of automotive brake pads containing different abrasive particles

Sung Soo Kim, Hee Jung Hwang, Min Wook Shin, Ho Jang

Research output: Contribution to journalArticle

40 Citations (Scopus)

Abstract

Automotive brake friction materials with four different abrasive particles were investigated. The abrasives used in this study were commercial grade silicon carbide, zircon, quartz and magnesia. For microscopic understanding of friction and wear by abrasive particles in the brake friction material, single-particle scratch tests followed by scratch tests with multiple particles were performed first to understand the behavior of abrasive particles at the sliding interface during brake applications. The results showed that the fracture toughness of the abrasives played a crucial role in determining the friction level, wear debris formation and stick-slip. The friction material with silicon carbide exhibited a microcutting mode with considerable stick-slip behavior, indicating a possible high propensity of noise occurrence during brake applications. On the other hand, the quartz and magnesia particles with low fracture toughness showed relatively small stick-slip amplitudes, suggesting that the fracture toughness of the abrasives can play important roles on the noise and vibration occurred during brake applications.

Original languageEnglish
Pages (from-to)1194-1202
Number of pages9
JournalWear
Volume271
Issue number7-8
DOIs
Publication statusPublished - 2011 Jul 18

Fingerprint

brakes
abrasives
Abrasives
Brakes
friction
Friction
Friction materials
vibration
Stick-slip
fracture strength
Magnesium Oxide
Fracture toughness
Quartz
slip
Magnesia
Silicon carbide
silicon carbides
quartz
Wear of materials
Zircon

Keywords

  • Abrasives
  • Brake
  • Friction material
  • Scratch testing
  • Sliding friction
  • Stick-slip

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Materials Chemistry
  • Surfaces, Coatings and Films
  • Mechanics of Materials

Cite this

Friction and vibration of automotive brake pads containing different abrasive particles. / Kim, Sung Soo; Hwang, Hee Jung; Shin, Min Wook; Jang, Ho.

In: Wear, Vol. 271, No. 7-8, 18.07.2011, p. 1194-1202.

Research output: Contribution to journalArticle

Kim, Sung Soo ; Hwang, Hee Jung ; Shin, Min Wook ; Jang, Ho. / Friction and vibration of automotive brake pads containing different abrasive particles. In: Wear. 2011 ; Vol. 271, No. 7-8. pp. 1194-1202.
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