*Zhangpeng Li, Shuwen Liu, Xiaonan Miao, Changzhi Zhou, Jinqing Wang (State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, China)

*Lei Chen, Junhui Sun, Linmao Qian (1. Tribology Research Institute, State Key Laboratory of Traction Power, School of Mechanical Engineering, Southwest Jiaotong University, China)

*Armin Seynstahl¹, Manuel Köbrich², Mathias Göken², Stephan Tremmel¹ (1. Engineering Design and CAD, Universität Bayreuth, Universitätsstr. 30, 95447 Bayreuth, Germany , 2. Materials Science & Engineering I, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Martensstr. 5, 91058 Erlangen, Germany)

*Timothy MacLucas¹, Andreas Klemenz², Patrick Grünewald³, Leonhard Mayrhofer², Gianpietro Moras², Philipp Leonhard-Trautmann¹, Volker Presser³, Sebastian Suarez¹, Martin Dienwiebel², Frank Mücklich¹, Michael Moseler² (1. Saarland University, Germany, 2. Fraunhofer Institute for Mechanics of Materials IWM, Germany, 3. INM-Leibniz Institute for New Materials, Germany)