Table 4 The solid-liquid work of adhesion, \(\:W{}_{SL}\) [mJ/m2], between the examined solids and liquids.
From: Friction of granular systems: the role of solid–liquid interaction
Glass | Copper | Stainless-steel | |
|---|---|---|---|
Water | 118.4 | 85.7 | 90.1 |
15W40 | 66 | 66 | 66 |
20W80 | 64 | 64 | 64 |