TOKAI UNIVERSITY Researchers Guide 2020

All tangible industrial products are created by material processing. In our laboratory, we are researching new plastic working technologies for applications in precision machines, aircraft, automobiles and railway vehicle. In addition, we are promoting manufacturing research that takes into account evaluation methods for material properties, numerical analysis techniques for predicting material deformation, joining techniques, and the performance of manufactured products in a comprehensive manner.ResearchAreasEngineeringKeywords■Elastoplastic mechanics■Plastic working■Material properties■Finite element analysis■Structural designRelatedresearchSDGDesign the Manufacturing by Elastoplastic MechanicsJunior Associate ProfessorHiroaki KubotaUndergraduate School of EngineeringDepartment of Precision EngineeringWith the advent of the hydrogen society, metallic materials used in the hydrogen environment are becoming increasingly important. Understanding the effects of hydrogen on the microstructure and physical properties of metals will help to establish means to prevent embrittlement, and to improve the physical properties of materials by applying hydrogen-induced phenomena. We are developing a high-quality hydrogen sensor to monitor the amount of hydrogen dissolved in a thin metal film. Additionally, we are developing low-cost composite materials for hydrogen fuel cell applications and investigating various technologies to improve the adhesion between metals and polymers including CFRP. Furthermore, the evaluation of materials for high temperature fusion reactors is also ongoing.ResearchAreasEngineeringKeywords■Hydrogen Functional Materials■Magnetostrictive materials■Functional Thin Films■Ultra-high vacuum technology■Hydrogen Energy TechnologiesRelatedresearchSDGDefect analysis of materials using hydrogen, and research on various phenomena and metallurgical characteristics induced by hydrogen dissolution in metals, including hydrogen embrittlementJunior Associate ProfessorHelmut Takahiro UchidaUndergraduate School of EngineeringDepartment of Precision EngineeringActive oxygen species (AOS) generated under atmosphere can be applied for various industrial processes due to their extremely strong oxidization ability. Since AOS exposure leads to microorganism inactivation, it can be applied for the sterilization process and surface modication due to the strong oxidization ability. In order to apply AOS to industrial processes, a technology to determine the kinds of AOS and measure the AOS concentration is required. At present, the AOS measurement method in atmosphere requires specialized and expensive equipment. Furthermore, a technique for measuring the presence or absence of AOS immediately is required, and we are developing new detection methods for the AOS by using these devices and indicators.ResearchAreasEngineeringKeywords■Material engineering■Thin lm engineering■Surface modicationRelatedresearchSDGDevelopment of new detection methods for active oxygen speciesProfessorSatoru IwamoriUndergraduate School of EngineeringDepartment of Mechanical Engineering82

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