Journal
MATERIALS LETTERS
Volume 354, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.matlet.2023.135359
Keywords
Carbon nanotubes; Composite materials; Wear and tribology; Atomic force microscopy
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In this study, carbon composites were prepared using furan resins filled with vapor-grown carbon fibers (VGCFs). The adhesion between the matrix and VGCFs affected the resistances and densities of the composites, which remained almost constant with increasing VGCF concentration. The micro-friction coefficients of the matrix increased with VGCF concentration due to an increase in surface roughness, while the micro-friction coefficients of the interfaces between the matrix and VGCFs remained almost constant, strongly correlated with the macro-friction coefficients of the composites.
Carbon composites were prepared from furan resins filled with vapor-grown carbon fibers (VGCFs). The re-sistances and densities of the composites, affected by the adhesion between the matrix and VGCFs, remained almost constant with VGCF concentration. The micro-and macro-friction coefficients of the composites were measured using a friction force microscope and pin-on-drum tribology apparatus, respectively. With increasing VGCF concentration, the micro-friction coefficients of the matrix increased, thereby reflecting an increase in roughnesses. In contrast, the micro-friction coefficients of the interfaces between the matrix and VGCF, with changes strongly correlated with the macro-friction coefficients of the composites, remained almost constant.
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