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Kawamura Lab
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A lab that studies metal “rust” at high temperatures to develop materials for using energy efficiently.
AboutAbout the lab
Thinking about high-temperature materials through their “rust”
The Kawamura Lab, jointly with the Ueda Lab, studies the properties and control of metals and metal oxides used at high temperatures.
When a metal is placed at high temperature, its surface oxidizes and forms “rust,” but a good “rust” slows the thinning of the metal inside.
By clarifying how this “rust” forms and grows, the lab connects its findings to the development of new materials that last long at high temperatures.
Its goal is to create materials that help with high-efficiency energy conversion.
Key terms
- High-temperature oxidation
- A phenomenon in which, when a metal is placed in high-temperature air or similar conditions, its surface combines with oxygen and forms a layer of oxide
- Solid oxide fuel cell
- A fuel cell that uses ceramics as the electrolyte and operates at high temperature, generating electricity directly from fuel and oxygen
- Lattice defect
- A region in a crystal where the arrangement of atoms is disordered. It affects how easily atoms and ions move
ResearchResearch themes
The lab studies how crystalline materials of metals and metal oxides behave at high temperatures, from the standpoint of lattice defects. Based on high-temperature thermodynamics and kinetics, it investigates how to produce functional crystalline materials.
*Illustrative imageHigh-temperature oxidation of metals
The lab examines in detail the process by which metallic materials oxidize at high temperatures and, from the standpoint of oxidation resistance, proposes design guidelines for heat-resistant alloys that can be used more stably even in high-temperature air environments.
*Illustrative imageSolid oxide fuel cells
The lab works on solid oxide fuel cells, which operate at the highest temperatures among fuel cells. It evaluates the oxidation resistance, in service environments, of alloy interconnects, a component essential for scaling up capacity.
*Illustrative imageOxygen sensors for molten metals
In accelerator-driven transmutation systems, the oxygen concentration in the molten metal used as coolant must be controlled to suppress reactions between the molten metal and the piping. The lab develops the oxygen sensors used for this control with a focus on high reliability.
*Illustrative imageDeveloping new heat-resistant steels
Making thermal power plants more efficient requires heat-resistant metallic materials that withstand high-temperature, high-pressure steam. The lab focuses on how to make new heat-resistant steels with excellent high-temperature strength last longer in service environments.
MembersFaculty
The Kawamura Lab's members consist of faculty and doctoral, master's, and undergraduate students.As of 2023
- Associate ProfessorMitsutoshi UedaPublications ↗
- Associate ProfessorKenichi KawamuraPublications ↗
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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: “Allegheny Ludlum foundry ladle” Alfred T. Palmer / Public domain (cropped)
- High-temperature oxidation of metals: “Rusty Bars ( )” cogdogblog / CC BY 2.0 (cropped)
- Solid oxide fuel cells: “Solid oxide electrolyser cell 2x60cell stack” EERE / Public domain (cropped)
- Oxygen sensors for molten metals: “Lead drop after solidification” Almazi / CC BY-SA 3.0 (cropped)
- Developing new heat-resistant steels: “Steam turbine (J-power Isogo)” User:妖精書士 / Public domain (cropped)
- Related lab (大井研究室): “Rusty bands of scrap iron” W.carter / CC BY-SA 4.0 (cropped)
- Related lab (難波江研究室): “Activated Carbon” Ravedave / CC BY 2.5 (cropped)
- Related lab (鎌田研究室): “Perovskite-Magnetite-207500” Robert M. Lavinsky / CC BY-SA 3.0 (cropped)
- Related lab (安井研究室): “Ceramic fracture” Mtbusca / CC BY 4.0 (cropped)
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