Abstract
The amorphous carbon films with different degrees of graphitization were synthesized by the pyrolysis of polyethleneglycol 400 infiltrated in the nano-sized pores of anodic aluminum oxide (AAO) membrane. The morphology and microstructure of the carbon films were characterized by scanning electron microscopy, X-ray diffraction and Raman spectroscopy. The micro-friction behavior of the amorphous carbon films sliding against GCr15 steel in ambient air was investigated using a ball-on-disk tester at an applied load of 980mN and a sliding velocity of 0.2ms−1. The graphitization degree in the carbon films had effect on the micro-friction properties. In comparison, the amorphous carbon film with high graphitization degree showed low friction coefficient and high wear resistance. An efficient approach was brought for enhancing the friction performance of aluminum.
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