Journal
MATERIALS
Volume 11, Issue 6, Pages -Publisher
MDPI
DOI: 10.3390/ma11060901
Keywords
corn stalk fiber; friction composite; friction and wear; worn surface morphology
Categories
Funding
- State Key Laboratory of Automotive Safety and Energy [KF1814]
- National Natural Science Foundation of China [51475205]
- Jilin Province Science and Technology Development Plan Item [20170101173JC, 20170204015NY]
- National Key Research Program of China [2016YFD0701601, 2017YFD0701103-1]
- Jilin Provincial Development and Reform Commission [2018C044-3]
- China-EU H2020 FabSurfWAR project [2016YFE0112100, 644971]
- 111 Project of China [B16020]
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This paper addressed the potential use of fibers from waste corn stalk as reinforcing materials in friction composites. The friction composites with different contents of corn stalk fibers were prepared, and their tribological and physio-mechanical behaviors were characterized. It was found that the incorporation of corn stalk fibers had a positive effect on the friction coefficients and wear rates of friction composites. Based on comparisons of the overall performance, FC-6 (containing 6 wt % corn stalk fibers) was selected as the best performing specimen. The fade ratio of specimen FC-6 was 7.8% and its recovery ratio was 106.5%, indicating excellent fade resistance and recovery behaviors. The wear rate of specimen FC-6 was the lowest (0.427 x 10(-7) mm(3) (Nmm)(-1) at 350 degrees C) among all tested composites. Furthermore, worn surface morphology was characterized by scanning electron microscopy and confocal laser scanning microscopy. The results revealed that the satisfactory wear resistance performances were associated with the secondary plateaus formed on the worn surfaces. This research was contributive to the environmentally-friendly application of waste corn stalk.
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