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Sato-Suzuki Lab
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A lab that controls welded and joined interfaces from their microscopic structure.
AboutAbout the lab
Protecting material performance at the joint
The Sato-Suzuki Lab studies welding and joining processes that bond one material to another.
Even materials with excellent properties often lose their microstructure at the joint, and their properties deteriorate.
By closely examining the microstructure and properties of joints and joint interfaces and controlling them, the lab aims to establish ways to preserve those excellent properties.
The lab covers a variety of welding and joining methods, but puts particular effort into research on friction stir welding.
Key terms
- Friction stir welding
- A joining method in which the material is not melted; instead, frictional heat softens it so that it is stirred together and bonded.
- Grain boundary
- The boundary in a metal where crystals with different orientations meet.
- Joint interface
- The boundary between two materials that forms when they are bonded together.
ResearchResearch themes
Joining processes are a fundamental technology used in every kind of manufacturing, from electronic components to aerospace equipment. The lab approaches these processes from the standpoint of materials science, aiming to produce joints with better properties.
*Illustrative imageWelding and joining, centered on friction stir welding
The lab uses knowledge of materials science to understand the phenomena that occur in welding and joining, and aims to extend the service life and improve the reliability of structures by precisely controlling the joint interface. Among the various joining methods, it puts particular effort into research on friction stir welding.
*Illustrative imageCreating materials by controlling grain boundaries
The lab develops materials with excellent properties by controlling the atomic arrangement at grain boundaries, the boundaries between crystals in a metal. This approach is attracting attention in the power generation and plant sectors, where high safety and reliability are required.
MembersFaculty
The members of the Sato-Suzuki Lab consist of faculty and secretaries.
- ProfessorYutaka Sato
- Assistant ProfessorKiyoaki Suzuki
VoicesStudent voices
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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: “Bulkhead & Nosecone Of Orion Spacecraft Joined By Friction Stir Welding” NASA / Public domain (cropped)
- Welding and joining, centered on friction stir welding: “Friction Stir Weld” NASA / Public domain (cropped)
- Creating materials by controlling grain boundaries: “Microstructure of a stainless steel” Djhé / CC BY 4.0 (cropped)
- Related lab (Miyamoto Lab): “Steel truss bridge over Fiskelva river in Nordreisa, Troms og Finnmark, Norway, 2022 August” Ximonic (Simo Räsänen) / CC BY-SA 4.0 (cropped)
- Related lab (Ichitsubo Lab): “Magnesium crystals” Warut Roonguthai / CC BY-SA 3.0 (cropped)
- Related lab (Shigeru Ueda Lab): “DSC03947 Blast Furnaces and Sinter Plant at Night, voestalpine Leoben-Donawitz, 2026-02” Aciarium / CC BY-SA 4.0 (cropped)
- Related lab (Kubo Lab): “BalticServers data center” BalticServers.com / CC BY-SA 3.0 (cropped)
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