Development of eco-friendly brake friction composites containing flax fibers

Zhezhen Fu, Baoting Suo, Rongping Yun, Yimei Lu, Hui Wang, Shicheng Qi, Shengling Jiang, Yafei Lu, Vlastimil Matejka

Research output: Contribution to journalArticlepeer-review

73 Scopus citations


Eco-friendly brake friction composites with good friction performance were developed. The raw materials utilized were selected according to eco-friendly criterion that natural products should be preferably chosen. The formulations are composed of plant flax fiber, mineral basalt fiber, and wollastonite as reinforcements, natural graphite as solid lubricant, zircon as abrasive, vermiculite and baryte as functional and space fillers, and cardanol-based benzoxazine-toughened phenolic resin as binder. To isolate the flax fibers, chemical and physical methods including drying, room temperature alkaline solution, and acid steam treatment were performed and fibers with micro-fibrillated structure on the surface were formed. A new cardanol-based benzoxazine synthesized by the reactions among cardanol, aniline, and formaldehyde was used as toughening for phenolic resin. The effects of both the content of treated flax fibers and friction temperature on friction performance, friction coefficient and specific wear rate, of the friction composites were evaluated by the extension evaluation method.

Original languageEnglish (US)
Pages (from-to)681-689
Number of pages9
JournalJournal of Reinforced Plastics and Composites
Issue number10
StatePublished - May 2012

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Mechanics of Materials
  • Mechanical Engineering
  • Polymers and Plastics
  • Materials Chemistry


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