Gen Masao¹, *Masashi Mizukami¹, Kazuhito Kato², Kohzo Ito², Kazue Kurihara¹ (1. Tohoku University, Japan, 2. The University of Tokyo, Japan)

*Kian Kun Yap¹, Kanao Fukuda², Janet Wong¹, Marc Masen¹ (1. Tribology Group, Department of Mechanical Engineering, Imperial College London, UK, 2. Malaysia-Japan International Institute of Technology, Universiti Teknologi Malaysia, Malaysia)

*Martin Tockner¹, Paul Staudinger², Michael Fasching³, Thomas Schwarz³, Florian Summer⁴, Florian Gruen⁴, Andreas Hausberger¹ (1. Polymer Competence Center Leoben GmbH, Austria, 2. Anton Paar GmbH, Austria, 3. SKF Sealing Solutions Austria GmbH, Austria, 4. Montanuniversitaet Leoben, Chair of Mechanical Engineering, Austria)

*Jinqing Wang^1,2, Yawen Yang^1,2, Na Wang^1,2, Zhangpeng Li^1,2, Honggang Wang^1,2, Shengrong Yang^1,2 (1. State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, China, 2. Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, China)

*Naofumi Kanei¹, Hirotaka Ito², Hiroaki Nii² (1. New Business Development Division, Machinery Business, KOBE STEEL, Ltd., Japan, 2. Applied Physics Research Laboratory, KOBE STEEL, Ltd., Japan)

*Lin Zhang¹, Huiyu Wang², Xiaoyi Wu¹, Bin Wei², Hao Chen¹ (1. Tsinghua University, China, 2. Beijing University of Chemical Technology, China)