Abstract
Aligned multiwalled carbon nanotubes (CNTs) have been obtained on an anodic aluminum oxide (AAO) template by chemical catalytic vapor deposition at 650 °C. The aligned CNTs grown out of pores of AAO membranes were uniform in diameter and about 3 μm in length. Micro-friction properties of the aligned CNT film were investigated using a friction force microscopy (FFM) and ball-on-disk tribotester under dry conditions. The FFM measurements indicated that the aligned CNT film had low friction coefficient due to the self-lubricating effect. Under a relatively low applied load, the friction coefficient of the CNT film dry sliding against a corundum ball decreased with increasing the sliding velocity, and the adhesion between the aligned CNT film and AAO template remained intact.
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