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Mizutani Lab
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A lab that detects flaws in machines and structures without damaging them, to keep them safe.
AboutAbout the lab
Integrity evaluation and control of machines and structures.
The Mizutani Lab studies how to inspect machines and structures without damaging them and how to evaluate their integrity.
Using tiny sounds emitted by materials, ultrasonic waves, and electromagnetic induction, the lab finds internal flaws and pinpoints their locations.
The lab also works on applying artificial intelligence (AI) to nondestructive testing and on controlling fracture in composite materials.
Some of its topics are pursued as national projects or as joint research with JAXA.
Key terms
- Nondestructive testing
- Inspection that examines internal flaws and condition without breaking or disassembling the object
- Acoustic emission
- Very small sound signals emitted from inside a material when it is fracturing
- CFRP
- Carbon fiber reinforced plastic: a lightweight, strong composite material made of carbon fibers bonded with resin
NewsLab news
A student received the Shinshin Award from the Japanese Society for Non-Destructive Inspection
A master's student received a Presentation Award from the Japanese Society for Non-Destructive Inspection
A student who completed the doctoral program received the Teshima Seiichi Memorial Research Award (Doctoral Dissertation Award)
ResearchResearch themes
The lab studies how to evaluate and control the integrity of machines and structures. Its work ranges from developing new inspection, signal processing, and condition monitoring methods, to applying artificial intelligence to maintenance, to methods for controlling material fracture and predicting remaining life.
*Illustrative imageNondestructive Testing and Evaluation
The lab studies acoustic emission testing, ultrasonic testing, and electromagnetic induction testing. Its work includes methods that use the tiny sounds emitted by a material to evaluate the integrity of a machine and locate where fracture has occurred, and studies of how ultrasonic waves propagate through curved carbon fiber CFRP.
*Illustrative imageApplying AI to Nondestructive Testing
Artificial intelligence is used in many industrial fields. The lab is applying AI techniques to nondestructive testing, for example using them in acoustic emission testing to classify the sources of sounds.
MembersFaculty
The Mizutani Lab consists of faculty members, researchers, doctoral, master's, and undergraduate students, and administrative assistants.As of 2026
- ProfessorYoshihiro MizutaniPublications ↗
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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: “Olympus OmniScan MX2” Boevaya mashina / CC BY-SA 4.0 (cropped)
- Nondestructive Testing and Evaluation: “Drilled hole in carbon fiber reinforced polymer (CFRP) sample” Andrew Hrechuk / CC BY 4.0 (cropped)
- Applying AI to Nondestructive Testing: “F-35 acoustic and emission testing at RAF Lakenheath (6644634)” U.S. Air Force photo by Senior Airman Jessi Roth / Public domain (cropped)
- Related lab (Inoue-Sakaguchi Lab): “Turbine blade close up - geograph.org.uk - 6888528” Gordon Hatton / CC BY-SA 2.0 (cropped)
- Related lab (Sakamoto Lab): “Iss sts115 big” NASA / Public domain (cropped)
- Related lab (Takeda-Sugahara Lab): “Hexapod positioner aka Stewart platform x2” User Mike1024 on en.wikipedia / Public domain (cropped)
- Related lab (Nakanishi-Chujo Lab): “Canadarm2 during Expedition 62 (ISS062-E-055099)” NASA / Public domain (cropped)
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