hydrogenius

5 Depertments

 

Fatigue and Fracture

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Leader
Prof. Dr.
S. Matsuoka

To commercialize machine components for high pressure hydrogen use, the effect of hydrogen on the fatigue strength of materials and its mechanism will be investigated.

Research Themes

  1. Investigation of fatigue and fracture strength and deformation mechanism of metallic materials in a high pressure hydrogen environment
  2. Investigation of fatigue and fracture properties and degradation mechanism of non-metallic materials (rubber, plastic etc.) in a hydrogen environment
  3. Investigation of effect of plastic deformation and welding on fatigue and fracture behavior and establishment of design and maintenance technologies for machine component used in a hydrogen environment

Polymers

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Leader
Prof. Dr.
S. Nishimura

To establish technical guidelines for materials used in hydrogen devices and cilites, including FCV and hydrogen stations.

Research Themes

  1. Investigation of Role of Rubber for FCEV and Blister Fracture under High Pressure Gas.
  2. Investigation of Role of Polymeric Materials for Hydrogen Energy System

Tribology

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Leader
Prof. Dr.
J. Sugimura

Effects of hydrogen on tribology (friction, wear and lubrication) of materials are being studied in order to ensure and improve reliabilities of machine elements.

Research Themes

  1. Tribology characteristics of bearing and valve materials in hydrogen
  2. Tribology characteristics of seal materials in hydrogen
  3. Surface modifications for hydrogen
  4. Design and reliability evaluation of tribosystems for hydrogen

Thermophysical Properties

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Leader
Prof. Dr.
Y. Takata

The density, viscosity, thermal conductivity and specific heat of high pressure and high temperature of 100 MPa and 500℃ will be measured to build a database.

Research Themes

  1. Measurement of PVT data for hydrogen at high temperatures and high pressures, and development of an equation of state for a wide range of pressures and temperatures
  2. Measurement of viscosity, thermal conductivity, isobaric specific heat and water solubility of hydrogen at high temperatures and high pressures
  3. Development of a database for thermo-physical properties of hydrogen

Safty

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For the safe storage of high pressure hydrogen gas, new testing apparatuses will be developed to evaluate the strength of metals in high pressure hydrogen environment.

Reseaerch Themes

  1. Safety assessment and management
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