*Josef Pouzar, David Košťál, Petr Šperka, Ivan Křupka, Martin Hartl (Brno University of Technology, Czech Republic)

Jiaying Zhang, Meirong Cai, *Feng Zhou, Weimin Liu (State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, China)

*Hiromitsu Kakudo¹, Satoshi Takada¹, Tomoko Hirayama² (1. Japan Aerospace Exploration Agency, Japan, 2. Kyoto University, Japan)

*Noriyuki Hayashi, Hiroaki Takeuchi, Yasuhiko Tsuru (Research & Innovation Center, Mitsubishi Heavy Industries, Ltd., Japan)

*Takashi Yokoyama¹, Nobuo Kenmochi¹, Koji Matsumoto¹, Shingo Obara¹, Toshinari Sano², Akira Tada³, Mayuko Sumiya³, Naoko Takahashi⁴, Keiichiro Oh-ishi⁴ (1. Japan Aerospace Exploration Agency, Japan, 2. Toyota Motor Corporation, Japan, 3. ENEOS Corporation, Japan, 4. TOYOTA CENTRAL R&D LABS., INC., Japan)