In the International Colloquium in Tribology, 28-30 January 2020, Stuttgart, Germany “Tribology study of ionic liquids as additive in water-based lubricants: from tribocorrosion to tribofilm formation” was the communication of Hamid Khanmohammadi, from NTNU. Prof. Nuria Espallargas, from the same institution, attended this Colloquium as Invited Speaker.