**4. Conclusion**

**Figure 13.** Surface morphologies of the BFRFMs with bamboo fibers of (a) 3 wt.%; (b) 6 wt.%; (c) 9 wt.%; and (d) 12 wt.%.

**Figure 12.** Variation of wear rate of the bamboo fiber reinforced friction materials with temperature.

100 Bamboo - Current and Future Prospects


**d.** The wear rates were decreased with the increase of bamboo fibers content when the content of bamboo fibers of friction materials was lower than 3 wt.%; the wear rate increased with increase of bamboo fibers content when the bamboo fibers content of friction materials was higher than 3 wt.%.

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**e.** The bamboo fibers improved the friction performances of fiction materials. The grooves or voids formed after the carbonization of the fibers reduced the noise and adhere to wear debris on the wear surface of friction materials.
