Dependence of Pin Surface Roughness for Friction Forces of Ultrathin Perfluoropolyether Lubricant Film on Magnetic Disks by Pin-on-Disk Test

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="923818.fig.005a" src="https://static.hindawi.com/articles/at/volume-2012/923818/figures/923818.fig.005a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>Zdol</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="923818.fig.005b" src="https://static.hindawi.com/articles/at/volume-2012/923818/figures/923818.fig.005b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>Z-tetraol</td></tr></table></td></tr><tr class="fig-image" id="c"><td><img alt="923818.fig.005c" src="https://static.hindawi.com/articles/at/volume-2012/923818/figures/923818.fig.005c.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(c) </b>Z-TMD</td></tr></table></td></tr></table>

<table>Comparison of friction forces among three types of lubricants with different numbers of hydroxyl end groups.</table>

Advances in Tribology

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Figure 5

Figure 5: Dependence of Pin Surface Roughness for Friction Forces of Ultrathin Perfluoropolyether Lubricant Film on Magnetic Disks by Pin-on-Disk Test 

Figure 5 | Dependence of Pin Surface Roughness for Friction Forces of Ultrathin Perfluoropolyether Lubricant Film on Magnetic Disks by Pin-on-Disk Test 