Abstract
The mechanical and tribological properties of potassium titanate whiskers (PTW) and carbon fiber (CF)-reinforced, tung oil-modified phenolic resin (PR) composites were investigated by utilizing a pad-on-disk type friction tester. It was found that the tung oil-modified phenolic composites showed superior wear resistance and steady variation of friction coefficients. It was revealed that the synergistic effects of sub-micrometer PTW and micrometer CF existed in the tung oil-modified PR composites. Then the friction stability, wear rate and morphology of the worn surfaces were examined to study the synergistic effects. The tung oil-modified PR/PTW/CF composites showed superior wear resistance and steady variation of friction coefficients. The friction coefficient increased with increasing addition of PTW. The wear resistance increased with increasing addition of CF. And the outcropped PTW around the CF to protect CF from easy damage and pulled-out. When the content of PTW was high the degradation of wear resistance and the friction coefficient increased, which was of due to the agglomeration and lapping joint of PTW. CF could improve the wear resistance of the tung oil-modified PR composites at the high temperatures significantly because of its suitable thermal conductivity.
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Wang, R., He, M., Huo, J., Fan, B., Liu, F. (2018). Effect of Fiber Content on Surface Performance of Potassium Titanate Whiskers and Carbon Fiber-Reinforced Phenolic Composites. In: Han, Y. (eds) Advances in Materials Processing. CMC 2017. Lecture Notes in Mechanical Engineering. Springer, Singapore. https://doi.org/10.1007/978-981-13-0107-0_6
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DOI: https://doi.org/10.1007/978-981-13-0107-0_6
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