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Structural Materials Design Lab
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The lab creates structural materials through alloy design and microstructure analysis.
AboutAbout the lab
Designing structural materials such as aluminum alloys
The Structural Materials Design Lab studies how metallic materials such as steel and aluminum alloys can be used as structural components.
Through alloy design, process development, and property evaluation, the lab aims to create new materials with better properties than conventional ones.
Against the background of environmental damage and rising material prices, the lab also develops and proposes resource-saving materials in which elements are reduced or replaced.
On the lab's website, it is introduced as the "Hirosawa Lab."
Key terms
- Metallic glass
- A metallic material with an amorphous structure in which the atoms are not arranged in a regular pattern
- Nanocluster
- A nanometer-sized precipitate that forms inside an alloy through heat treatment
- Resource-saving materials
- Materials in which the elements used in conventional materials are reduced or replaced with other elements
NewsLab news
A master's student won the Excellent Poster Award at a presentation meeting of the Kanto Branch of the Japan Institute of Light Metals
A paper accepted by Journal of Alloys and Compounds has been published
A paper accepted by the Journal of the Japan Institute of Light Metals has been published
A paper accepted by Materials Transactions has been published
A paper accepted by Tetsu-to-Hagané has been published
ResearchResearch themes
To enable the use of metallic materials such as steel and aluminum alloys as structural components, the lab carries out alloy design, process development, and property evaluation, aiming to create new materials with better properties than conventional ones. Current main research themes include the development of aluminum alloys for automobiles, microstructure analysis of metallic glasses, and strengthening of steel.
*Illustrative imageNanostructure and Properties of Metallic Glasses
Al-Ni-Gd metallic glasses made by liquid quenching have a structure in which nanocrystals a few nanometers across are scattered in an amorphous matrix, and they show excellent mechanical properties. Aiming to develop alloys that become amorphous even with slower cooling, the lab studies the relationship between the nanostructure of the alloy and the resulting microstructure.
*Illustrative imageStrengthening Steel with Copper from Recycling
Copper that gets mixed into steel during recycling forms precipitates called nanoclusters during medium- to high-temperature heat treatment, which can make the alloy stronger. The lab studies how other alloying elements affect the formation of copper clusters, aiming to develop new heat-treatable steel materials.
MembersFaculty
The members of the Structural Materials Design Lab consist of faculty, a technical assistant, and doctoral, master's, and undergraduate students.As of 2026
- ProfessorShoichi Hirosawa
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: “Formateguss Rundbarren” Aluminiumhütte Rheinfelden GmbH, Abt. Giessereiberatung / Public domain (cropped)
- Nanostructure and Properties of Metallic Glasses: “Metalic Glas Vitreloy4” Björn Gojdka / CC BY 3.0 (cropped)
- Strengthening Steel with Copper from Recycling: “Steel Scrap Compacted” TeWeBs / CC BY-SA 4.0 (cropped)
- Related lab (Metal Physics Lab): “Everest of fracture surface” Kaspar Kallip / CC BY-SA 4.0 (cropped)
- Related lab (Environment-Adaptive Materials Lab): “Electronspun Nanofibers April 2023” Deander4 / CC BY-SA 4.0 (cropped)
- Related lab (Plastic Working Lab): “Forging Press” Supersonic0714 / CC BY-SA 3.0 (cropped)
- Related lab (Functional Materials Engineering Lab): “Radioisotope Thermoelectric Generator for Lunar Surface Operations (rtg-beautyshot)” NASA / Public domain (cropped)
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