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Abe Lab
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The lab studies materials that withstand the extreme environments inside nuclear fission reactors and fusion reactors.

AboutAbout the lab
Aiming for the ultimate in nuclear safety through materials development
Abe Lab studies materials that support the safety of nuclear fission reactors and fusion reactors.
The lab develops materials for fusion reactors and new-type fission reactors (Generation IV reactors), both of which are expected to be future energy sources, and conducts materials research to improve the safety of current reactors.
In the extreme environment inside a reactor, the lab investigates how steel materials and zirconium (Zr) alloys degrade through irradiation, corrosion, and hydrogen absorption (hydriding), using microstructural analysis and mechanical strength measurements.
Based on these results, the lab also works on developing new materials and new testing methods.
Key terms
- Generation IV reactor
- A new type of nuclear reactor being developed internationally as the next generation after the reactors currently in use
- Microstructure
- The fine structure inside a metal, such as crystal grains and defects, that can be seen only with a microscope
- Transmission electron microscope (TEM)
- A microscope that passes an electron beam through a thinned sample to observe its internal structure at a scale approaching individual atoms
ResearchResearch themes
The lab clarifies the mechanisms by which materials degrade in the extreme environment inside nuclear reactors, and carries out materials research that contributes to the development of fusion reactors and Generation IV reactors and to improving the safety of current reactors. It combines microscopy observation, mechanical testing, and computational theoretical evaluation.
View More ↗MembersFaculty
- ProfessorHiroaki AbePublications ↗
- Assistant ProfessorYosuke 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: “Tokamak WEST” Christophe Roux / IRFM / CC BY 4.0 (cropped)
- Degradation mechanisms of nuclear reactor materials: “JEOL JEM-200A transmission electron microscope -01” High Contrast / CC BY 3.0 de (cropped)
- Related lab (Murakami Lab): “Chooz Nuclear Power Plant-9362” Raimond Spekking / CC BY-SA 4.0 (cropped)
- Related lab (Miwa Lab (Visualization Laboratory)): “Buoyant jet” Left.tom / CC BY-SA 4.0 (cropped)
- Related lab (Takata Lab): “Sequoyah Nuclear Power Plant cooling towers” Eric Evenson, USGS / Public domain (cropped)
- Related lab (Kajita Lab): “MAST plasma image” Culham Centre for Fusion Energy / CC BY-SA 3.0 (cropped)
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