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Materials Function Engineering Lab
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A lab that uncovers how materials fracture using its own custom-built testing machines.
AboutAbout the lab
Taking on world-first results with one-of-a-kind equipment.
The Materials Function Engineering Lab studies fracture phenomena in all kinds of materials, including metals, polymers, and composite materials.
To operate mechanical products and structures safely, it is essential to accurately understand the mechanical properties of materials.
For materials used at high temperature, high pressure, and high vacuum, such as in space structures and combustion engines, the effects of the surrounding environment on the microstructure must also be considered.
The lab develops its own testing machines specialized for each material, and applies the findings to improving strength, durability, and reliability.
Key terms
- Composite material
- A material that combines materials with different properties to achieve strength or lightness that a single material cannot provide
- Fatigue
- A phenomenon in which damage gradually accumulates inside a material under repeated loading, until the material eventually fails
- Crack
- A fine fissure in a material, from which fracture progresses
NewsLab news
Paper by a master's student published in the Journal of the Japan Society for Composite Materials
Paper by a master's student accepted by Composites Science and Technology
A doctoral student won third place in the Student Award at the China-Korea-Japan joint symposium
Paper by Associate Professor Kosuke Takahashi accepted by Food Hydrocolloids
ResearchResearch themes
The lab studies fracture phenomena in all kinds of materials, including metals, polymers, and composite materials, developing its own testing machines specialized for each material. It applies the findings to improving strength, durability, and reliability, aiming to create new value for structural materials.
*Illustrative imageFatigue Fracture of CFRP
Fatigue fracture of carbon fiber reinforced plastic (CFRP) begins with microscopic cracks at the interface between the fibers and the resin. By clarifying how cracks grow under fatigue, the lab contributes to the development of long-life CFRP and recycled CFRP.
*Illustrative imageStrength of Adhesives and Pressure-Sensitive Adhesives
Adhesives and pressure-sensitive adhesives are used to join dissimilar materials and in applications such as medical uses, where easy removal is required. Focusing on how adhesive layers deform and fail, the lab works on developing methods to predict strength and improving the durability of joints. The evaluation techniques are also applied to assessing the stickiness of foods and how easy they are to swallow.
*Illustrative imageVery High Cycle Fatigue of Metallic Materials
Metals that support machines and structures must be reliable under repeated loading over long periods. The lab works to clarify the damage mechanism of very high cycle fatigue that originates inside the material, and to develop surface modification techniques using repeated compression.
*Illustrative imageFracture of Concrete
Concrete is a composite material made of sand, aggregate, and cement, and its fracture process is complex. Focusing on damage mechanisms, including those of steel fiber reinforced concrete, in which steel fibers are dispersed in place of rebar, the lab aims to improve its strength.
MembersFaculty
The members of the Materials Function Engineering Lab consist of faculty members and doctoral, master's, and undergraduate students.As of 2026
- ProfessorKosuke Takahashi
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: “Al tensile test” Sigmund / CC BY-SA 3.0 (cropped)
- Fatigue Fracture of CFRP: “Broken carbon fiber bar” Michael Bemmerl / CC BY 3.0 de (cropped)
- Strength of Adhesives and Pressure-Sensitive Adhesives: “CC-20060920-Adhesive Tape-2” The original uploader was Danny.umd at Chinese Wikipedia. / CC BY 2.5 (cropped)
- Very High Cycle Fatigue of Metallic Materials: “Разрушенный металлический образец на фоне углеродной подложки” Bahrustim / CC BY-SA 4.0 (cropped)
- Fracture of Concrete: “Mieszanka fibrobetonowa” Radosław Bieniek / CC BY-SA 4.0 (cropped)
- Related lab (材料力学): “2256 bamboo - Alain Van den Hende 17072256 licence CC40” Alain Van den Hende / CC BY-SA 4.0 (cropped)
- Related lab (バイオマテリアル・バイオメカニカル
デザイン): “Scanning electron microscopy of collagen fibers” NIH Image Gallery / CC BY-SA 4.0 (cropped) - Related lab (量子エネルギー変換材料): “TEM image of gold nanoparticles and nanorods” Fionán / CC BY-SA 4.0 (cropped)
- Related lab (マイクロバイオメカニクス): “Fibroblastid” Heiti Paves / CC BY-SA 3.0 (cropped)
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