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Yusa-Yoshioka Lab
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The lab studies nondestructive testing, examining internal damage in structures without destroying them.

AboutAbout the lab
Measuring the integrity of structures without destroying them
The Yusa-Yoshioka Lab studies nondestructive testing and materials evaluation to maintain the integrity of structures.
It develops techniques that use electromagnetic phenomena and vibration to examine internal damage without destroying the object.
The lab also works on signal and image processing, probabilistic signal analysis, and, through that, the development of models for optimizing structural maintenance.
Its methods are roughly half experiments and half numerical analysis, and it also develops analog games for energy and environmental education.
Key terms
- Nondestructive testing
- Testing that examines internal flaws and damage without breaking or cutting the object
- Integrity
- The state in which a structure is undamaged and can be used safely
- Inverse analysis
- A method of computationally estimating the states or conditions that caused the signals obtained in a measurement
NewsLab news
A master's student received the Student Session Excellence Award at the 22nd Annual Conference of the Japan Society of Maintenology
A paper has been accepted for publication in International Journal of Applied Electromagnetics and Mechanics
A paper has been accepted for publication in Nuclear Engineering and Design
ResearchResearch themes
To maintain the integrity of structures, the lab studies nondestructive testing and materials evaluation using electromagnetic phenomena and vibration. It also works on signal and image processing, probabilistic signal analysis, and, through that, the development of models for optimizing structural maintenance.
*Illustrative imageDetecting corrosion with extremely low-frequency electromagnetic fields
The lab develops techniques that use slowly varying electromagnetic fields to detect and evaluate corrosion in thick metallic materials.
*Illustrative imageTesting with kHz-range electromagnetic fields
The lab develops nondestructive testing and materials evaluation techniques that use electromagnetic fields in the kilohertz range.
*Illustrative imageNumerical inverse analysis of nondestructive testing signals
The lab develops numerical inverse analysis techniques to evaluate the signals obtained in nondestructive testing.
*Illustrative imageMeasuring the performance of inspection techniques probabilistically
The lab develops methods, based on probability theory, to evaluate the performance of nondestructive testing techniques.
MembersFaculty
The Yusa-Yoshioka Lab consists of faculty members, master's and undergraduate students, special research students, and visiting trainees.As of 2026
- ProfessorNoritaka Yusa
- Assistant ProfessorSaijiro Yoshioka
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: “Olympus EPOCH 600” Boevaya mashina / CC BY-SA 4.0 (cropped)
- Detecting corrosion with extremely low-frequency electromagnetic fields: “Stainless-steel-mild-steel cropped” Photographed and uploaded by D3j4vu at en.wikipedia / CC BY-SA 3.0 (cropped)
- Testing with kHz-range electromagnetic fields: “EDDY CURRENT PROBE - NARA - 17497422” 作者不詳 / Public domain (cropped)
- Numerical inverse analysis of nondestructive testing signals: “Olympus OmniScan MX2” Boevaya mashina / CC BY-SA 4.0 (cropped)
- Measuring the performance of inspection techniques probabilistically: “Bominwell electric pipeline inspection robot” Fumikas Sagisavas / CC0 (cropped)
- Related lab (Soyama-Nakai Lab): “Cavitating-prop” U.S. Navy / Public domain (cropped)
- Related lab (Watanabe-Wang Lab): “Sasso 2 Geothermal Power Plant” T. AGEMAR / CC BY 4.0 (cropped)
- Related lab (Sato-Yamaguchi Lab): “Battery researcher” Altynay N Zhumabekova / CC BY 4.0 (cropped)
- Related lab (Oishi-Takahashi Lab): “U.S. Department of Energy - Science - )” U.S. Department of Energy from United States / Public domain (cropped)
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