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Kawagishi Lab
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A lab that designs ultra-heat-resistant materials for jet engines starting from crystal interfaces.
AboutAbout the lab
Designing metals that withstand heat.
The Kawagishi Lab studies various ultra-heat-resistant materials, including high-performance Ni-based superalloys.
The aim is to raise the thermal efficiency of next-generation jet engines and ultra-high-efficiency combined cycle power generation, and to reduce carbon dioxide emissions.
The lab is establishing materials design methods and advancing the development of low-cost, high-performance alloys.
This is a field run in collaboration with the National Institute for Materials Science, and research is conducted under a cooperative graduate school system.
Key terms
- Ni-based superalloy
- An alloy whose main component is nickel, made to keep its strength even at high temperatures
- Creep strength
- Resistance to gradual deformation when a force is applied continuously at high temperatures
- Precipitate phase
- A portion that appears within an alloy as grains of a different composition. It affects the strength of the material
ResearchResearch themes
The Kawagishi Lab controls interfaces such as those between the matrix and precipitate phases and at grain boundaries, and evaluates mechanical properties such as creep strength as well as environmental resistance to high-temperature oxidation and corrosion. It also works on developing coatings suited to the alloys it develops and on proposing ways to make use of recycling.
*Illustrative imageSuperalloys for Jet Engine Disks
The disks that spin at high temperatures in jet engines use nickel-based superalloys that do not fail even at high temperatures. The lab is developing a new superalloy that also contains cobalt, aiming to raise engine efficiency and reduce carbon dioxide emissions.
*Illustrative imageTrying Out Alloy Heat Treatment by Computation
The properties of an alloy change greatly depending on heat treatment conditions. Using materials data and computational methods, the lab studies ways to virtually test the results of heat treatment before actually making an alloy, and to rapidly evaluate the relationships among processing, microstructure, and properties.
MembersFaculty
- Visiting ProfessorKyoko Kawagishi
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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: “Jet engine turbine” Dtom / Public domain (cropped)
- Superalloys for Jet Engine Disks: “NACA Engineer Measures 12-Stage Axial Flow Compressor Blades (grc-1955-c-37658)” NACA / Public domain (cropped)
- Trying Out Alloy Heat Treatment by Computation: “Binary phase diagram of NiTI (phase)” Doomgiver / CC BY-SA 3.0 (cropped)
- Related lab (Hiromoto Lab): “CSIRO ScienceImage 2893 Crystalised magnesium” Mark Fergus, CSIRO / CC BY 3.0 (cropped)
- Related lab (Kunioshi Lab): “Polycrystalline silicon rod” Warut Roonguthai / CC BY-SA 3.0 (cropped)
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