| Author(s): |
J Zhang; Stephen M. Hsu; T Y. Liew; |
| Title: |
Effects of Long Wavelength UV Irradiation on PFPE Molecular Bonding on CNx for Magnetic Recording Hard Disks |
| Published: |
Date Unknown |
| Abstract: |
The use of long wavelength UV irradiation (320 to 390 nm) to induce bonding of a perffluoropolyether (PFPEP on CNx disks has been successfully demonstrated. Disks with 100 % mobile molecules, 100% bonded molecules, and a 50:50 mixture of mobile and bonded molecules were prepared by dip-coating. These lubricant films were irradiated with a UV beam. Friction and wear measurements were performed on these disks using a Lateral Force Microscope, a diamond-tipped Atomic Force Microscope, and a ball-on-inclined plane test. Results suggested that the mobile PFPE performed better than the bonded one. The mixed lube gave the highest critical failure load as measured by a ball-on-inclined plane test. |
| Citation: |
Tribology Letters |
| Keywords: |
friction;lubricant bonding;magnetic hard disk;nanotribology;PFPE;UV irradiation;Z-Dol |
| Research Areas: |
Characterization, Ceramics |
