The effect of solid lubricants in the brake friction composite on brake emissions: A case study with graphite, Sb2S3, and MoS2

Hyungjo Seo, Jaehyun Gweon, Jung Ju Lee, Seok Su Sohn, Ho Jang

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

Particulate matter produced during brake application was investigated, focusing on the effect of the solid lubricants in the brake friction composite, such as graphite, antimony trisulfide, and molybdenum disulfide. Results showed that the brake emission was significantly affected by the solid lubricant type and braking temperatures. Antimony trisulfide caused high brake emissions at moderate temperatures, whereas graphite produced high emissions at elevated temperatures. The brake emission at moderate temperatures was affected by the aggressiveness of the composites and the presence of friction films on the gray iron disc surface. In contrast, the brake emissions at elevated temperatures were determined by the thermal decomposition of the composite and the oxidation of solid lubricants.

Original languageEnglish
Article number109413
JournalTribology International
Volume193
DOIs
Publication statusPublished - 2024 May

Bibliographical note

Publisher Copyright:
© 2024 Elsevier Ltd

Keywords

  • Brake friction composite
  • Particulate matter
  • Solid lubricant
  • Wear particle

ASJC Scopus subject areas

  • Mechanics of Materials
  • Mechanical Engineering
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films

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