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Materials Engineering Lab (Itoi Lab)
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A lab that investigates magnesium alloys and metal-to-metal joining through their microstructure.
AboutAbout the lab
Looking at the microstructure of metals to change the properties of materials.
The Materials Engineering Lab studies the relationship between the microstructure of metallic materials and properties such as strength.
Its recent themes are two: magnesium alloys, a lightweight structural material, and solid-state joining by magnetic pulse welding.
The lab handles everything from fabricating materials to evaluating them and observing their microstructure.
Based on what the experiments reveal, members repeatedly think through why it happens and how it can be improved.
Key terms
- Microstructure
- The structure inside a metal that can be seen under a microscope, such as the arrangement and size of its crystals
- Solid-state joining
- A way of joining metals together while they remain solid, without melting them
- LPSO (long-period stacking ordered structure)
- A structure in which layers of atoms are stacked with a long periodicity. It forms inside magnesium alloys
NewsLab news
View More ↗ResearchResearch themes
Focusing on metallic materials, the main materials of social infrastructure, the lab aims to clarify the relationship between a material's microstructure and its mechanical properties. Centered on experiments, it works to create new structural materials by controlling structure and microstructure, and to give them many functions.
*Illustrative imageMagnesium Alloys
Magnesium is the lightest of the metals used as structural materials, and is used in items such as laptop casings. To enable wide industrial use, the lab develops LPSO (long-period stacking ordered) type alloys, made by adding transition metals and rare earth elements.
*Illustrative imageSolid-State Joining by Magnetic Pulse Welding
Making automobiles, railway vehicles, and aircraft lighter requires technology for joining different types of metals. The lab studies joining them while they remain solid, using magnetic pulse welding, as joint research with the Tokyo Metropolitan College of Industrial Technology.
MembersFaculty
The members of the Materials Engineering Lab consist of faculty members, technical staff, Grand Fellows, and doctoral, master's, and undergraduate students.As of 2024
- ProfessorTakaomi Itoi
- Assistant ProfessorRyosuke Yamagata
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: “Gray gold microstructure” Djhé / CC BY 4.0 (cropped)
- Magnesium Alloys: “CSIRO ScienceImage 937 Coiled magnesium sheets and magnesium ingots” Mark Fergus, CSIRO / CC BY 3.0 (cropped)
- Solid-State Joining by Magnetic Pulse Welding: “Friction Stir Weld” NASA / Public domain (cropped)
- Related lab (Miyamae-Kameyama Lab): “TiSa crystal” No machine-readable author provided. Mathieu Perrin assumed (based on copyright claims). / CC BY 2.5 (cropped)
- Related lab (Quantum Device Physics Lab): “Close-up of glass crystal with many facets causing dispersion spectrum from light” Pittigrilli / CC BY-SA 4.0 (cropped)
- Related lab (Materials Planning Lab): “Glasses 800 edit” Gilles Tran / Public domain (cropped)
- Related lab (Hirahara Lab): “CSIRO ScienceImage 1074 Carbon nanotubes being spun to form a yarn” division, CSIRO / CC BY 3.0 (cropped)
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