1 Introduction
2 Background
2.1 Friction Modifier (FM) Additives
2.2 Synergy and Antagonism
3 Test Materials
FM type | Abbreviation: description |
---|---|
OFMs | Amide: oleylamide |
GMO: glyceryl monooleate | |
MoFMs | Moly 1: molycarbamate trimer |
Moly 2: molybdenum dialkyldithiocarbamate (MoDTC) | |
Moly 3: molybdenum dialkyldithiocarbamate (MoDTC) | |
PFMs | Poly: low MWt polymer FM |
VM 1: functionalised PMA viscosity modifier | |
VM 2: functionalised OCP viscosity modifier |
Base fluid | FM1 | FM2 |
---|---|---|
GTL4 | Amide, 1.5% wt | – |
GTL4 | GMO, 1.5% wt | – |
GTL4 | Moly 1, 500 ppm Mo | – |
GTL4 | Moly 2, 500 ppm Mo | – |
GTL4 | Moly 3, 500 ppm Mo | – |
GTL4 | VM 1, 1.5% wt | – |
GTL4 | VM 2, 1.5% wt | – |
GTL4 | Poly, 1.5% wt | – |
GTL4 | Amide, 0.75 wt % | GMO, 0.75 wt % |
GTL4 | Moly 2, 250 ppm Mo | GMO, 0.75% wt |
GTL4 | Moly 2, 250 ppm Mo | Amide, 0.75% wt |
GTL4 | Moly 2, 250 ppm Mo | VM 1, 0.75% wt |
GTL4 | Moly 2, 250 ppm Mo | Poly, 0.75% wt |
GTL4 | GMO, 0.75% wt | Poly, 0.75% wt |