Table 1 Process parameters used for the nanoindentation creep tests
From: Design and development of a novel polymer coating system with exceptional creep resistance
Nanoindentation apparatus | NanoTest Vantage V5 (Micro Materials) |
Nanoindenter | Berkovich (new tip) |
Base coating material | Pure Polyurethane (Pure PU) |
Core-shell particles (additives mixed with PU) | Solid silica nanosphere@TiO2 (SSN@TiO2) Hollow ceramic microsphere@TiO2 (HCM@TiO2) |
Peak load (Pmax) | 2, 12.5, 32 mN |
Loading time (Tl) | 5, 10, 15 s |
Dwell period (Td) | 5 s |
Creep recovery (Tr) | 60 s |
Unloading time (Tu) | 5 s |