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Hydrogen Functional Materials Lab
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The lab studies the fracture of rubber and resin materials exposed to hydrogen gas.
AboutAbout the lab
Elucidating fracture phenomena in seals for hydrogen equipment.
The Hydrogen Functional Materials Lab studies the phenomenon in which rubber and resin materials used to seal hydrogen gas are broken by hydrogen.
Hydrogen equipment that makes up a hydrogen energy society uses these rubber and resin materials as sealing materials.
There are concerns that hydrogen sealing materials such as O-rings may break due to exposure to high-pressure hydrogen gas and to pressurization and depressurization, and the lab is working to elucidate these fracture phenomena.
Main research themes include elucidating the sealing and fracture behavior of rubber O-rings and developing rubber diaphragms for hydrogen gas blowers.
Key terms
- O-ring
- A sealing material shaped like a ring with a round cross-section. It is a component that closes gaps to prevent gas and other substances from leaking.
- Thermal desorption analysis
- An analytical method that heats a sample and examines the types and amounts of gas released.
- Nuclear magnetic resonance
- A method that measures the response of atomic nuclei in a magnetic field to examine the structure of a substance and the motion of molecules.
ResearchResearch themes
There are concerns that rubber and resin materials used in hydrogen equipment may break due to exposure to high-pressure hydrogen gas and to pressurization and depressurization. The lab is working to elucidate fracture phenomena caused by hydrogen gas, examining the relationship between fracture behavior and the usage environment, material composition, and molecular structure, with the aim of establishing guidelines for developing materials with excellent hydrogen resistance.
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MembersFaculty
- ProfessorShin Nishimura
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “TotalEnergies hydrogen station in Magdeburg” Michał Beim / CC BY-SA 4.0 (cropped)
- Hydrogen dissolution and fracture behavior of materials: “Oring gr” de:User:Ilja (Gert Wrigge & Ilja Gerhardt) / CC BY-SA 3.0 (cropped)
- Related lab (設計工学研究室): “Prosthesis 002” National Institute of Standards and Technology / Public domain (cropped)
- Related lab (水素利用プロセス研究室): “Billings Hydrogen Bus” Warren K. Leffler / Public domain (cropped)
- Related lab (構造材料評価研究室): “TiAl duplex” Lne / CC0 (cropped)
- Related lab (先進水素システム研究室): “Giant prominence on the sun erupted” NASA/SDO/AIA/Goddard Space Flight Center / Public domain (cropped)
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