ITC Fukuoka 2023
ITC Fukuoka 2023

Symposia
"Reunite, Invigorate and Create an Inspiring Future"

The following six special symposia were organized to implement the conference slogan "Reunite, Invigorate and Create an Inspiring Future".
These symposia will consist of keynote and invited speakers only.


1. Symposium “Principles of Tribology”

Organizers:  Tomoko Hirayama  Kyoto University, Japan
  Alan Hase  Saitama Institute of Technology, Japan
  Nalam Prathima  University at Buffalo, US
  Kai Feng  Hunan University, China
Scope:  Tribology is an interdisciplinary discipline covering friction, wear and lubrication phenomena. Its development has been supported by both science-based fundamental elucidation of the phenomena and engineering applications. This session invites research presentations on a wide range of tribology-related topics. A wide variety of presentations on various approaches, ranging from developments of classical approaches to new methods of analysis and evaluation will be gathered to provide fruitful discussion. The session will be organized into broad categories such as contact mechanics, friction, wear and lubrication.

Keynote Speakers:

Control of ionic liquid boundary lubricants with electric fields

Mark Rutland

KTH Royal Institute of Technology (Sweden)

Ionic liquids have received much attention as tribological additives and lubricants, due to their tuneability but also due to the possibility of controlling the surface composition using an applied field. This electrically addressable boundary lubrication depends on the intricacies of the interfacial ordering of ionic materials, which is dependent on self assembly and coulombic interactions. Experimentally these films are very inaccessible and require the development of new methodologies to probe them.

The lecture will discuss the principles of lubrication by liquid salts and, what approaches can be deployed to quantify the relationship between the observed tribology and nanotribology , and the changing ionic compositions under electric fields.

A surface chemist turned nanotribologist from Australia who has lived and worked in Sweden for 25 years. A PhD (1992) from the Australian National University in surface forces, postdocs at Lehigh University and The Institute for Surface Chemistry Stockholm followed by 4 years lecturing at the University of Sydney. At KTH The Royal Institute of Technology in Stockholm since 1998, professor since 2005. The surface has always been the focus, with interfacial self-assembly as an early theme. Interdisciplinary connections include (nano)tribology and psychophysics, with applications ranging from electroresponsive interfacial behaviour, through biolubrication, pharma and cosmetics.

On hydrodynamic lubrication equation under non-steady work conditions

Yonggang Meng

Tsinghua University (China)

The classical hydrodynamic lubrication equation, known as Reynolds equation, and its various modified forms, were derived on the basic assumption of fluid flow through a narrow gap between moving parts under steady conditions, and thus are not applicable to situations of non-steady work conditions. Taking three dynamic effects, acceleration/deceleration of the moving part of conjunctions, non-steady variation of the boundaries of lubricated zone and the time-dependent rheology of the fluid, into account, an expanded Reynolds equation is derived. It is pointed out that the hydrodynamic lubrication problem under non-steady conditions is no longer defined solely by the lubrication equation, the complementary equations governing the dynamics of the conjunction parts, fluid flow outside the lubricated zones as well as the rate-, state- and temperature-dependent rheology model of fluids are required to solve the problem. The new equation has been applied to analyze the variations of fluid film thickness of a plain bearing with time during acceleration and deceleration periods, and compared with the experiment results of a test rig in literature.

Dr. Yonggang Meng is a Professor in Mechanical Engineering at the State Key Laboratory of Tribology in Advanced Equipment, Tsinghua University, Beijing, China. He received his MS and PhD degrees from Kumamoto University, Japan, in 1986 and 1989 respectively. His current research interests cover modeling of friction, wear and lubrication in macro/micro-tribosystems and its applications to tribological design of machine elements.


2. Symposium “Engineering Tribology”

Organizers:  Koshi Adachi  Tohoku University, Japan
Takashi Nogi  KYODO YUSHI CO., LTD., Japan
Mitjan Kalin  University of Ljubljana, Slovenia
Satish Vasu Kailas  Indian Institute of Science, Bangalore, India
Scope:  Tribology exists in every mechanical system that supports the industrial society, and it holds the key to their functions, reliability and durability. Therefore, the evolution of science and the development of technology in the field of tribology have progressed from an engineering point of view. This symposium session will provide an opportunity for information exchange and discussion on tribology related to engineering products on the basis the latest research results. We will select a variety of presentation from the tribology inherent in the engineering products as well as the fields related to the keywords on the list.

3. Symposium “Tribology Simulation”

Organizers:  Hitoshi Washizu  University of Hyogo, Japan
  Tasuku Onodera  ENEOS Corporation, Japan
  Mari Onodera  Panasonic Industry, Japan
  Nicolas Fillot  INSA Lyon, France
  Lars Pastewka  Albert-Ludwigs-Universität Freiburg, Germany
Scope:  Since tribology is a part of mechanical and chemical engineering, computer aided engineering should be useful. The complexity and dynamic nature of the system is, however, made difficult to apply the tool. In these 20 years, molecular simulation and fluid dynamics approach combined with high performance computing made significant progress to this field. More recently, not only the computational science but also data science is also becoming an important tool in this field. In our session Modeling of Tribology, we would discuss recent progress in both computational science and data science approach to a wide field of Tribology. Not only pure computational science but also combination with experiments will be discussed.

Keynote Speakers:

Structural evolution of solid lubricants under high pressures

Michael Moseler

Freiburg University (Germany),
Fraunhofer Institute for Mechanics of Materials IWM (Germany)

Solid lubricants such as graphite, multiwall carbon nanotubes and PTFE can be used in low-pressure applications. Until now, it was unclear whether their lubricity is also sufficient for high contact pressures, for example in rolling bearings. This lecture demonstrates that high pressure solid lubrication is a viable option when liquid lubricants fail. Furthermore, it provides deep insights into the mechanism underlying solid lubrication by PTFE, graphite and multiwall carbon nanotubes. Classical and quantum molecular dynamics simulations along with experimental tribometry and analytics reveal the crucial role of structural transformations in the solid lubricants and their impact on lubricity. While PTFE chains align during pressurized sliding, graphite and multiwall carbon nanotubes form new amorphous carbon tribomaterials with intermediate range order. For the latter two lubricants, water plays a crucial role in passivation of the observed turbostratic carbon tribolayers.

Prof. Dr. Michael Moseler is a German Physicist and Materials Scientist with a strong focus on atomistic modelling of friction and wear as well as nanomaterials. He holds a Professorship for “Simulation of Functional Nanosystems” at the Physics Department of Freiburg University and he is leader of the applied research group “Multiscale modeling and Tribosimulations” at the Fraunhofer Institute for Mechanics of Materials IWM. His research activities cover classical and quantum molecular dynamics simulations of tribo-induced phase transitions, rheology and reactivity of lubricants in narrow gaps as well as fundamental mechanisms underlying superlubricity. In 2022 Moseler received the prestigious Stifterverband Science Prize for his “Virtual Material Probe for Tribological Contacts” (see https://youtu.be/c75_Z7WdHms).

Toward Post-exascale Simulations of Materials Interfaces

Aiichiro Nakano

University of Southern California (USA)

With the recent arrival of exascale supercomputers, computing landscape is evolving rapidly. While quantum computers have outperformed the fastest supercomputers for certain problems, artificial intelligence (AI) is transforming every aspect of our life. To utilize these new advances for materials simulations, we are developing an AI and quantum-computing enabled exascale materials simulator (AIQ-XMaS). I will describe the application of the software to quantum, reactive and neural-network simulations of interfacial phenomena, including: (1) picosecond optical, electrical and mechanical control of symmetric breaking in topological skyrmion and skyrmionium at ferroelectric/paraelectric interfaces for emerging ultralow-power polar topotronics; and (2) self-assembly of layered material metastructures on strained substrate for scalable and robust manufacturing of quantum emitters for future quantum information science and technology. This research was supported by NSF Future Manufacturing Program, Award 2036359 and NSF Cybertraining Program, Award 2118061. Simulations were performed at Argonne Leadership Computing Facility under DOE INCITE and Aurora Early Science programs and at the Center for Advanced Research Computing of the University of Southern California.

Aiichiro Nakano is a professor of Computer Science with joint appointments in Physics & Astronomy, Quantitative & Computational Biology, and Collaboratory for Advanced Computing and Simulations at the University of Southern California. He received a Ph.D. in physics from the University of Tokyo, Japan. He has authored 478 refereed articles in the areas of scalable scientific algorithms, high-end parallel supercomputing, scientific visualization and informatics, and computational materials science. He is a Fellow of the American Physical Society.

Aiichiro Nakano is a professor of Computer Science with joint appointments in Physics & Astronomy, Quantitative & Computational Biology, and Collaboratory for Advanced Computing and Simulations at the University of Southern California. He received a Ph.D. in physics from the University of Tokyo, Japan. He has authored 478 refereed articles in the areas of scalable scientific algorithms, high-end parallel supercomputing, scientific visualization and informatics, and computational materials science. He is a Fellow of the American Physical Society.


4. Symposium “Advanced Tribology Material”

Organizers:  Hiroyuki Kousaka  Gifu University, Japan
  Chao Wang  Shenzhen University, China
  Yoshinori Takeichi  Toyohashi University of Technology, Japan
  Sujeet K. Sinha  Indian Institute of Technology Delhi, India
  Yosuke Nishitani  Kogakuin University, Japan
  Atsushi Hirata  Tokyo Institute of Technology, Japan
  Anirudha V. Sumant  Argonne National Laboratory, US
  Takayuki Tokoroyama  Nagoya University, Japan
Scope:  Tribology's scientific and technological contributions to improving the global environment are represented by "energy saving by reducing friction" and "life-time extension by reducing wear". Advanced material technologies such as hard coating materials, solid lubricants, and super engineering plastics have played a major role as effective means. This symposium will focus on ultra-low friction and improved wear resistance brought about by coating materials such as DLC, CNx, ta-C and so on, nanomaterials such as CNTs and fullerenes, and resin-based composite materials, that is, advanced tribology materials. We will deeply discuss the mechanism by which advanced tribology materials exert their effects and the optimal design guidelines for maximizing their effectiveness.

5. Symposium “Bio-Inspired Tribology”

Organizers:  Ken Nakano  Yokohama National University, Japan
Yoshinori Sawae  Kyushu University, Japan
Koji Yamamoto  Doshisha University, Japan
Marc Masen  Imperial College London, UK
Scope:  Research inspired by living organisms is being intensively conducted in various scientific and engineering fields, in which the materials and systems of remarkable functions beyond conventional wisdom have been developed. The tribology field is no exception: similar research trends have arisen for decades. This symposium session, Bio-Inspired Tribology, will provide an opportunity to consider and discuss the future of Biotribology, together with that of Soft-Materials Tribology, to drive our interdisciplinary activities. We will select various papers not only from the classical tribology field but also from potentially tribology-related fields for organic discussion and fruitful brainstorming.

6. Symposium “Tribology for a Sustainable Society”

Organizers:  Shinya Sasaki  Tokyo University of Science, Japan
Mathias Woydt  MATRILUB, Germany
Scope:  Against the background of global environmental problems, various efforts toward carbon neutrality in 2050 are accelerating with the aim of building a sustainable society. In tribology, in addition to promoting energy conservation more than ever, new technology development for expanding renewable energy and reducing environmental load is required. Based on the latest research results, this symposium will provide a forum for information exchange and discussion on issues that tribology should contribute to in the future.