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Researcher information
Takao Sajima Last modified date：2012.10.29

Assistant Professor / Manufacturing Processes
Department of Mechanical Engineering
Faculty of Engineering


Graduate School
Department of Intelligent Machinery and Systems
Graduate School of Engineering
Other Organization
International　Research　Center　for　 Hydrogen　Energy


Academic Degree
PhD (Engineering)
Field of Specialization
CFRP manufacturing technology, measurement, machining
Outline Activities
Research: Research on CFRP manufacturing technology.
Education: Guidance of machining, electric circuit production, and software
development.
Research
Research Interests
  • Development of carbon fiber reinforced very high pressure hydrogen vessel
    keyword : carbon fiber, hydrogen, very high pressure vessel
    2005.07～2007.03.
  • Enclosed Sea Environmental Project to Create: CFRP Development of optical oxygen supply of timber for construction
    keyword : CFRP, oxygen supply, light supply
    2003.04～2007.03.
  • Development of production of carbon fiber reinforced ultra-high pressure hydrogen tank
    keyword : Carbon fiber hydrogen tanks
    2003.07～2005.03.
Current and Past Project
  • To target the accumulator for the hydrogen station, and to examine the possibility of commercialization of equipment for multi-FW yarn feeding device to improve the productivity of FW for the production of CFRP. We compare the performance and productivity from both sides of the accumulator, the yarn feeding device FW conventional single yarn feeding device and the multi-FW. Performance evaluation is carried out, etc. rupture test produced a FW device for evaluation, using a test piece for evaluation.
  • The spread of fuel cell electric vehicles needs to put hydrogen supply infrastructure development in prospective by then, although 2015 are made into technical judgment time. With this enterprise, research and development in the accumulator dexterous large-sized CFRP container of advantageous 80MPa specification also in space also in cost is done as technology indispensable to hydrogen supply infrastructure development as compared with the present steel pressure accumulator.
Academic Activities
Papers
 Show All Papers >>
1. Takao Sajima, Hiroshi Murakami , Akio Katsuki, Daisuke Tabuchi, Osamu Ohnishi, Syu!ei Kurokawa, Hiromichi Onikura and Toshiro K. Doi,Precision Profile Measurement System for Microholes Using Vibrating optical Fiber,Sensors & Materials,Vol.24,No.7,pp.387-396,2012.10.
2. D. TABUCHI, T. SAJIMA, T. DOI, H. ONIKURA, O. OHNISHI, S. KUROKAWA and T. MIURA,Development of a Filament-Winding Machine Based on Internal Heating by a High-Temperature Fluid for Composite Vessels,Sensors & Materials,Vol.23,No.6,pp.347-358,2011.06.
3. Study on Improvement of pipe bursting strength CFRP molding method using simultaneous heating.
Membership in Academic Society
  • The Japan Society for precision Engineering
  • Japan Society Of Mechanical Engineers
Educational
Educational Activities
Introduction to engineering
Experiment　1 in mechanical engineering (optical measurement)
Machine shop practice (Processing NC, CADCAM)
Research guidance of undergraduate student and master student
Social
Professional and Outreach Activities
It does a joint research with the company etc. for the CFRP manufacturing technology
Execution of examination concerning composite materials


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