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Structural Materials Design Lab
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A lab that designs new structural materials by understanding their micro- and nanoscale microstructures.
AboutAbout the lab
Understanding micro- and nanostructures to transform materials.
The Takata-Tsukada Lab conducts research to understand the micro- and nanoscale microstructures inside structural materials and to create new structural materials.
Using both experiments and theoretical calculations and data science, the lab explores the essence of the microstructures produced by how materials are made, and seeks the principles for controlling them.
Its work includes developing alloys with metal 3D printers, aluminum alloys that make use of impurities, plating coatings, and predicting microstructures with the phase-field method.
Key terms
- Non-equilibrium state
- A state in which a material has solidified with its composition or structure away from a stable equilibrium. Properties that cannot be obtained by ordinary processing can appear
- Upgrade recycling
- Recycling that turns used materials into materials of higher value than the original
- Micropillar
- A pillar-shaped test specimen a few micrometers in size, cut from a selected location in a material
NewsLab news
Research by a master's student published in the Journal of the Japan Institute of Light Metals
Research by a doctoral student published in Journal of Alloys and Compounds
Results of joint research with the Iriyama Lab published in Small Structures
Paper by Project Assistant Professor Deguchi published ahead of print in Materials Transactions
Research by a graduate (origin of superelasticity in Fe alloys) published in Materials & Design
ResearchResearch themes
The structural materials around us are produced by various processes such as casting, hot-dip plating, heat treatment, and 3D printing. Through both experiments and theoretical calculations and data science, the lab seeks to understand the essence of the micro- and nanoscale microstructures that these processes produce, and designs the composition and processing of new structural materials.
*Illustrative imageMaking use of the non-equilibrium state in metal 3D printing
In metal 3D printing, metal melted by a laser solidifies in an instant, producing microstructures in a non-equilibrium state that has not been seen before. The lab uses this state to design materials that greatly improve the performance of aluminum alloys, and is extending the approach to the development of copper alloys, steels, and composite materials.
*Illustrative imageAluminum alloys that make use of impurities
Elements such as iron and silicon, which are abundant in recycled aluminum, make the material brittle and are therefore usually removed. Using casting and heat treatment, the lab designs the composition and processing of alloys that put these elements to effective use, leading to upgrade recycling.
*Illustrative imageUnderstanding plating coatings on steel
For hot-dip galvanizing, which makes steel resistant to rust, the lab uses theoretical calculations to understand how the fine microstructure of the coating forms, and uses electron microscopy experiments to clarify the factors that affect properties such as formability.
*Illustrative imageInvestigating the deformation of small crystals
The lab cuts micropillars from selected locations in a sample observed under an electron microscope and compresses them, to investigate the strength and deformation behavior of metals, of phases inside composite materials, and of surface coatings.
MembersFaculty
The members of the Takata-Tsukada Lab are faculty members, administrative assistants, and doctoral, master's, and undergraduate students.As of 2026
- ProfessorNaoki Takata
- Associate ProfessorYuhki Tsukada
- Assistant ProfessorKim Dasom
- Project Assistant ProfessorMisaki Deguchi
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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: “Iss071e ) --- A metal specimen 3D printed on the ground for ESA’s Metal 3D Printer investigation” NASA Johnson Space Center / Public domain (cropped)
- Making use of the non-equilibrium state in metal 3D printing: “Professional MotorSport World Expo 2024, Cologne (P1031209)” Matti Blume / CC BY-SA 4.0 (cropped)
- Aluminum alloys that make use of impurities: “BS VW Aluminium Swarf” TeWeBs / CC BY-SA 4.0 (cropped)
- Understanding plating coatings on steel: “Galvanized surface” The original uploader was Splarka at English Wikipedia. / Public domain (cropped)
- Investigating the deformation of small crystals: “Scanning electron microscope - UFCH JH (2020) 05” Tadeáš Bednarz / CC BY-SA 4.0 (cropped)
- Related lab (材料複合プロセス工学研究グループ): “Iss071e ) ---A view the Metal 3D printer that manufactures experimental samples printed with stainless steel aboard the International Space Station's Columbus laboratory module” NASA Johnson Space Center / Public domain (cropped)
- Related lab (計算材料物性学研究グループ): “Titania supported gold nanocluster” Kronber1 / CC BY-SA 4.0 (cropped)
- Related lab (エネルギー・環境材料創成工学研究グループ): “Hexagon solar cells” Wikideas1 / CC0 (cropped)
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