Mar Combarros, Ariadna Emeric, *Gerard Cañellas, Angel Navarro, Marc Alumà, Taro Ehara (IQL,Nisshin OilliO Group, Spain)

Juan Camilo Vélez Molina², *Roman Nevshupa¹, Alejandro González-Benjumea³, Ana Gutiérrez³, Alejandro Toro², Juan Felipe Santa² (1. IETCC-CSIC, Spain, 2. Universidad Nacional de Colombia, Colombia, 3. Institute of Natural Resources and Agrobiology of Seville (IRNASE-CSIC), Spain)

*Akira Kurasako¹, Hideki Akita¹, Mitsuhiko Honda¹, Yoshinobu Hagiwara¹, Tomomi Honda², Tomohiko Kon² (1. Hitachi Construction Machinery Co., Ltd., Japan, 2. University of Fukui, Japan)

Tanaelle Marmorat, Hamid Khanmohammadi, Wahyu Wijanarko, *Nuria Espallargas (The Norwegian Tribology Center, Department of Mechanical and Industrial Engineering, Norwegian University of Science and Technology (NTNU), Trondheim, Norway)

*Tom Briggs, Philippa Cann, Marc Masen (Imperial College London, UK)