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About

Ryuichi TOMOSHIGE

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Professor

Faculty of Engineering

Department of Nanoscience

 Office Address:
 Building N, Room 706
22-1Ikeda, 4-chome,  Nishi-ku, Kumamoto

 860-0082 Japan


 Emailtomosige (at) nano.sojo-u.ac.jp
                        [Change (at) to @ ]

 

     +81-96-326-3749

     +81-96-323-1347
    https://tomoshige17.wixsite.com/ website-2/blank-1

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Dr. Ryuichi Tomoshige is professor of department of nanoscience at SOJO University. He also holds appointment of head of "Research Center for Advances in Impact Engineering". 

He joined the Faculty of Engineering at Kumamoto Istite of Technology (currently SOJO university) in March, 1993. His research focuses on studies of shock-wave processing, developments of novel materials of metals, ceramics, and their composites by using combustion synthesis or self-propagating high temperature synthesis (SHS). His current research project includes hot shock welding and hot shock compaction, which are unique fabrication methods he has built. The methods involved both of the shock wave processing and combustion synthesis techniques. The shock wave experiments employ plastic explosives with detonation velocity of 3000 to 7000 m/sec. MAX phase materials such as Ti-Al-C,Ti-Si-C and Ti-S-C have been prepared by him from 1995. His research group has shown that they had layered structure and intermediate hardness between ceramics and intermetallic compounds. It has been given his attention to improvement of fracture toughness by introducing metal organic compounds to ceramics. He has designed also particular method for in-situ magnetization of magnetic materials, which can prepare the micrometer-size magnets.  ​Now, through his international research activities, he became a member of the Euro Mediterranean Academy of Arts and Sciences (EMAAS) in 2019.

Research Keywords: 

Explosive shock processing   Combustion Synthesis    Microstructures   

Electron microscopy   Mechanical and thermal properties 

Non-oxide ceramics  MAX phase   Intermetallic compounds   Magnetic materials  

Bio-compatible ceramics 

Message:
Our laboratory focuses on creating metal and ceramic materials, special synthesis / processing methods, and creating properties with characteristics different from those of existing materials. In particular, the facility "Impact Advanced Technology Research Center" that can conduct physicochemical experiments using high-performance explosives is a rare research facility even on a global scale, but in research using it, usually the inorganic functional materials that are difficult to obtain are momentarily Can be made.
In addition, our laboratory utilizes a transmission electron microscope and other devices and an X-ray diffraction device that can identify compounds nondestructively and reveals the mechanism of expression of functions of various inorganic materials. We are also focusing on the evaluation of mechanical properties, which is a key to material properties, aiming to provide functional materials that can meet the needs of society.

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