Abstract
Molybdenum disulfide coated aluminum alloys are of great interests in recent years due to their wide application in the space field. In this paper, a 350–400 nm-thick MoS2 film with nano-flowers structure was produced on Porous anodic aluminum oxide (AAO)/Al substrate by magnetron sputtering. It is found that AAO aperture array on aluminum alloy could enhance the resistance of stress and deformation for aluminum matrix, and store the MoS2 within the aperture during friction, resulting into prolonged lubrication time. Significant improvement in the lubrication performance (316.6 ×) at low friction coefficient (0.15) was realized compared with MoS2/Al structure, and the wear rate decreased by ~98%. Our findings could provide new routes of surface modification for aluminum alloys in aerospace field.
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