This laboratory has started with the Japanese new era 'Reiwa'. Our main
research topic is ultrasonic nondestructive evaluation for engineering
materials.
A new paper was published online. Energy trapping of circumferential shear
horizontal wave in a hollow cylinder, Yuma Iiboshi, Akito Iwata, Takahiro
Hayashi, Naoki Mori, Ultrasonics, Vol. 133, 107044, 2023 https://doi.org/10.1016/j.ultras.2023.107044
2023.1.16
A new paper was published online. Ultrasonic focusing using a stacked thin-plate
region, Takaaki Fukuchi, Takahiro Hayashi, Naoki Mori, Japanese Journal
of Applied Physics 2023. This paper has been selected as a "Spotlights"
article in JJAP. https://doi.org/10.35848/1347-4065/acb361
2023.1.12
Mrs. Takako Shintani, a part-time staff member, has retired and Mrs. Yukimi
Fujii has joined as a new member.
2022.12.19
A new paper was published online. Ultrasonic interference and critical
attenuation in metal-plastic bilayer laminates, Naoki Mori, Takahiro Hayashi,
Journal of Sound and Vibration https://doi.org/10.1016/j.jsv.2022.117531
2022.11.10
Dr. Anowarul Habib visited us and gave a lecture on "Acoustic waves:
Structural health monitoring, Imaging, and applications". Photo
2022.11.7-9
Lab. members, Mori (Assistant Professor), Xia (D1), Fukuchi (M2), Iiboshi
(M2), Toyota (M1), Tsunaki (M1) made presentations at the 43rd Symposium
on UltraSonic Electronic (USE2022).
・Resonance and absorption of ultrasonic waves in asymmetric viscoelastic-elastic
laminates, Naoki Mori, Takahiro Hayashi
・Control of guided wave propagation with layered path in a plate, Mingquian
Xia, Takaaki Fukuchi, Takahiro Hayashi, Naoki Mori
・Ultrasonic focusing by designing a stacked thin plate region, Takaaki
Fukuchi, Takahiro Hayashi, Naoki Mori
・Energy trapping of in-plane vibration in a hollow cylinder with a circumferential
groove on the inner surface, Yuma Iiboshi, Takahiro Hayashi, Naoki Mori
・Energy trapping of in-plane vibration in a hollow cylinder with a circumferential
groove on the inner surface, Yuma Iiboshi, Takahiro Hayashi, Naoki Mori
・Three-dimensional analysis of reflection characteristics of Lamb waves
at an adhesively bonded stiffener in a plate, Junya Toyota, Naoki Mori,
Takahiro Hayashi
・Three-dimensional numerical analysis of ultrasonic propagation behavior
in a powder layer between metals, Daichi Tsunaki, Naoki Mori, Takahiro
Hayashi.
2022.10.28
A new paper was published online. Abnormal Sound Detection in Pipes Using
a Wireless Microphone and Machine Learning, Kotai Notani, Takahiro Hayashi,
Naoki Morii, Materials Evaluation, 2022 https://doi.org/10.2320/matertrans.MT-I2022001
2022.6.20
Dr. Li Yang joined our group as a visiting professor from Zhengzhou University,
China.
2022.6.9
A new paper was published online. Viscoelastic wave propagation and resonance in a metal-plastic bonded laminate, Naoki Mori, Yusuke Iwata, Takahiro Hayashi, Naoki Matsuda,
Mechanics of Advanced Materials and Structures, DOI: 10.1080/15376494.2022.2084191
M2 and B4 students finished final presentations. Photo
2021.12.13
A new paper was published online. Tangential bond stiffness evaluation
of adhesive lap joints by spectral interference of the low-frequency A0
Lamb wave, Naoki Mori, Daichi Wakabayashi, Takahiro Hayashi, International
Journal of Adhesion and Adhesives, DOI: 10.1016/j.ijadhadh.2021.103071
2021.12.13
A new paper was published online. Numerical analysis of wave propagating
in a periodic layered structure, Takaaki Fukuchi, Naoki Mori, Takahiro
Hayashi, Japanese Journal of Applied Physics, DOI: 10.35848/1347-4065/ac48cc
2021.10.26
Mr. Takaaki Fukuchi gave a poster presentation in USE2021. Numerical analysis
of ultrasonic wave propagating through a thin plate stacked structure,Takaaki
Fukuchi, Naoki Mori, Takahiro Hayashi
2021.8.25
A new paper was published online. Numerical analysis of wave propagating
in a periodic layered structure, Takaaki Fukuchi, Naoki Mori, Takahiro
Hayashi, Japanese Journal of Applied Physics, DOI: 10.35848/1347-4065/ac48cc
2020.12.5
Professor Takahiro Hayashi gave a keynote speech in 2020 International
Conference on Intelligent Control, Measurement and Signal Processing (ICMSP2020).
Guided wave inspection for pipes, Takahiro Hayashi
2020.11.27
Mr. Akito Iwata (M1) gave a poster presentation in USE2020 (webinar). Energy Trapping of Circumferential SH Wave at a Groove in a Pipe,Akito Iwata, Takahiro Hayashi, Naoki Mori
2020.11.18
Professor Takahiro Hayashi gave a short talk about Defect imaging from
a distance as a panelist in JSNDI Workshop on “Emerging Technologies of
Advanced Ultrasonic Measurement” [NDE4.0].
2020.8.26
Oral presentation in QNDE 2020 virtual: Remote defect imaging using a wireless
microphone unit with an optical power feeding device, Takahiro Hayashi,
Shinichi Morita, and Fumio Fujita
2020.7.31
STUDIES page was updated.
2020.7.17
The first presentation on the projects were held. All students gave a good
presentation.
2020.4.13
New undergraduate students joined our lab.
2020.4.1
Dr. Naoki Mori joined the lab as an assistant professor. New master course
students also became a lab member.