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Name AKITA Koichi
Official Title Professor
Affiliation Dept. of Mechanical Systems Engineering, Faculty of Science and Engineering
E-mail akitak@tcu.ac.jp
Web
  1. http://www.risys.gl.tcu.ac.jp/Main.php?action=profile&type=detail&tchCd=5002071
Profile Koichi Akita obtained his doctorate degree in mechanical engineering from Tokyo Metropolitan University on the study of fatigue fracture analysis using X-rays in 1994. He developed a synchrotron X-ray diffractometer for measuring residual strains and stresses in engineering materials and installed the diffractometer into the Photon Factory of High Energy Accelerator Research Organization (KEK) in Tsukuba, Japan in 1998. He has many experiences on world-class quantum beam facilities such as the Japan Proton Accelerator Research Complex in Tokai, Japan (J-PARC), the Japan Research Reactor-3 in Tokai, Japan (JRR-3), the Super Photon ring-8GeV in Harima, Japan (SPring-8), the ISIS Neutron and Muon Source in Oxford, UK (ISIS), the European Synchrotron Radiation Facility in Grenoble, France (ESRF), the Institut Laue–Langevin in Grenoble, France (ILL) and the Open Pool Australian Lightwater reactor in Sydney, Australia (OPAL). Quantum beams such as synchrotron X-rays and neutrons enable characterizing materials three dimensionally with extremely high spatial and time resolutions.
Research Field(Keyword & Summary)
  1. (1) Mechanical stress evaluation using quantum beams.

    Mechanical stress evaluation using quantum beams.

  2. (2) Deformation and fracture analyses of engineering materials.

    Deformation and fracture analyses of engineering materials.
Representative Papers
  1. Effect of Laser Peening on the Mechanical Properties of Aluminum Alloys Probed by Synchrotron Radiation and X-Ray Free Electron Laser, Metals, Vol. 10, No. 11 (2020) 1-19.
  2. A Mechanism for Inducing Compressive Residual Stresses on a Surface by Laser Peening without Coating, , Metals, Vol. 10, No. 6 (2020) 816.
  3. Feasibility Study on Application of Synchrotron Radiation µCT Imaging to Alloy Steel for Non-Destructive Inspection of Inclusions, Metals, Vol. 9, No. 5 (2019) 1-9.
  4. High stereographic resolution texture and residual stress evaluation using time-of-flight neutron diffraction, Journal of Applied Crystallography, Vol. 51, No. 3 (2018) 1-15.
  5. In-situ residual stress analysis during thermal cycle of a dissimilar weld joint using neutron diffraction and IEFEM, Quarterly Journal of the Japan Welding Society, Vol. 35, No. 2 (2017) 112s-116s.
  6. Relaxation behavior of laser-peening residual stress under tensile loading investigated by X-ray and neutron diffraction, Mechanical Engineering Journal, Vol. 1 No. 4 (2014) SMM0029_1-SMM0029_4.
Patent
  1. 1) Japanese Patent No. 4344264 (P4344264), To provide a low core loss grain-oriented magnetic steel sheet.
Award 1) Achievement Award (research), the Commttee of X-ray Studies on Mechanical Behaviour of Materials, The Society of Materials Science, Japan, 2011.
2) Technology Award, The Japanese Society for Experimental Mechanics, 2009.
3) JSMS Award for Promising Researchers, The Society of Materials Science, Japan, 2004.
4) Excellent Presentation Award, The Japan Society of Mechanical Engineers, 2001.
5) Encouraging Prize, the Japan Thermal Spray Society, 1999.
6) Best Presentation Award, the Commttee of X-ray Studies on Mechanical Behaviour of Materials, The Society of Materials Science, Japan, 1993.
Grant-in-Aid for Scientific Research Support: Japan Society for Promotion of Science (JSPS) https://nrid.nii.ac.jp/en/nrid/1000010231820/
Research Grants/Projects including subsidies, donations, grants, etc. The Grants-in-Aid for Scientific Research (KAKENHI), etc.
Affiliated academic society (Membership type) 1) The Japan Society of Mechanical Engineers (Member)
2) The Society of Materials Science, Japan (Member)
3) The Japanese Society for Neutron Science (Member)
Education Field (Undergraduate level) Engineering mechanics, Strength of materials, Machine design and drafting
Education Field (Graduate level) Fracture mechanics

Affiliation