ABOUT US
- This laboratory has started with the Japanese new era 'Reiwa'. Our main research topic is ultrasonic nondestructive evaluation for engineering materials.
- Keywords: Ultrasonic, Elastic waves, Non-destructive evaluation, Guided waves, Dispersion curves, Semi-analytical finite element method, Pipe, Resonance, Adhesion evaluation, Laser ultrasonics, Air-coupled ultrasonic, Non-contact measurements, Sensor, Solid mechanics, Elasticity
NEWSV ξρ
- 2024.11.7
- A new paper was published online. Curing monitoring of adhesive layers between metal adherends by ultrasonic resonance technique, Naoki Mori, Toru Hakkaku, Takahiro Hayashi, Measurement Science and Technology https://doi.org/10.1088/1361-6501/ad8f51
- 2024.9.23-26
- A. Sasaki and N. Mori presented at 2024 IEEE Ultrasonics, Ferroelectrics,
and Frequency Control Joint Symposium (2024 IEEE UFFC-JS) held in Taipei,
Taiwan.
ENumerical simulation of elastic wave transmission and refraction through a layer of aligned tubes, Akira Sasaki, Naoki Mori, and Takahiro Hayashi, September 22, 2024
EUltrasonic resonance monitoring for the curing of adhesive bonds between metal plates, Naoki Mori, Toru Hakkaku, and Takahiro Hayashi, September 26, 2024 - 2024.9.3
- A new paper was published online. Detection of deposits adhered on the back surface of plate-like structures using a scanning laser source technique, Shoma Tanaka, Takahiro Hayashi, Naoki Mori, International Journal of Pressure Vessels and Piping, 105303, 212, 2024 https://doi.org/10.1016/j.ijpvp.2024.105303
- 2024.7.24
- International seminar was held. Dr. Lukas Pieczonka and Prof. Yoshikazu
Ohara visitied at Osaka Univ. and gave a lecture. Photo
Novel approaches for nondestructive testing of thin-walled structures,r. Lukas Pieczonka
Recent progress on ultrasonic phased array for accurate measurement of cracks, Yoshikazu Ohara - 2024.7.22
- Assistant professor Lijun Liu presented at The 16th World Congress on Computational Mechanics (WCCM 2024) on Development and Evaluation of Mg-Ca Deep Learning Interatomic Potentials with Aid of Ab-Initio Calculations, Lijun Liu and Yoji Shibutani, 22nd July
- 2024.7.2
- A new paper was published online. Tunable elastic wave transmission and resonance in a periodically aligned tube-block structure, Akira Sasaki, Naoki Mori, Takahiro Hayashi, Journal of the Acoustical Society of America, 2024 https://doi.org/10.1121/10.0026462
- 2024.6.25
- Prof. Francesco Simonetti visited us and gave a lecture on Cryo-Ultrasonic Testing
- 2024.6.1
- Mrs. Yukimi Fujii, a part-time staff member, has retired and Mrs. Yoko Gou has joined as a new member.
- 2024.5.27-31
- T. Hayashi, N. Mori and M. Xia presented at the 20th World Conference on
Non-Destructive Testing (WCNDT2024), at Incheon, Korea.
ENon-contact imaging for damages in a plate-like structure, Takahiro Hayashi and Naoki Mori (Invited) 30th May
EViscoelastic characterization of coating layers by ultrasonic interference and critical attenuation, Naoki Mori, Takahiro Hayashi and Taiki Okabe, 28th May
EThin waveguide buffer for insulating an ultrasonic probe from hot and cold temperature, Mingqian Xia, Takahiro Hayashi and Naoki Mori, 28th May - 2024.2.3
- A new paper was published online. Numerical analysis of the phased array
imaging with a stacked plate buffer, Mingqian Xia, Takahiro Hayashi, Naoki
Morii, Japanese Journal of Applied Physics, 2024 https://doi.org/10.35848/1347-4065/ad25a9
- 2024.1.29
- A new paper was published online. Ice-enhanced thermoelastic excitation
of ultrasonic waves, Tomohiro Kawabata, Takahiro Hayashi, Francesco Simonetti,
Applied Physics Letters, 2024
https://doi.org/10.1063/5.0194329
- 2023.12.4
- Professor Takahiro Hayashi gave a invited talk in Acoustics 2023 Sydney.
Defect detection and imaging in elastic materials with complex geometries,
Takahiro Hayashi
- 2023.11.13-15
- Graduate school students presented at The 44th Symposium on UltraSonic
Electronics (USE2023).
EPhased array imaging with a stacked plate buffer, Mingqian Xia, Takahiro Hayashi, and Naoki Mori
EUltrasonic wave propagation in a sphere sandwiched between blocks, Daichi Tsunaki, Akira Sasaki, Naoki Mori, and Takahiro Hayashi
EDetection of subsurface defects using laser ultrasonics for process monitoring of metal additive manufacturing, Atsushi Yamasaki, Takahiro Hayashi, and Naoki Mori
ENumerical analysis of elastic wave resonator using deformation of tube, Akira Sasaki, Naoki Mori, and Takahiro Hayashi
ECuring monitoring and influence on the adhesive property by ultrasonic vibration treatment of adhesive layer, Toru Hakkaku, Naoki Mori, and Takahiro Hayashi
Participation repor
- 2023.9.20
- Graduate school students presented at 2023 International Congress on Ultrasonics (ICU).
EDefect imaging using a phased array transducer with a stacked-plate buffer, Mingqian XiaCTakahiro HayashiCNaoki Mori
EIn-process defect detection in selective laser melting using scanning laser source technique, Atsushi YamasakiCTakahiro HayashiCNaoki Mori
Participation report (D2 Xia) - 2023.9.8
- Mr. Takaaki Fukuchi (M2 at that time), Prof. Takahiro Hayashi, and Dr.
Naoki Mori received the Best Paper Award of USE2022. This award was selected
as the best of all papers published in the Japanese Journal of Applied
Physics after USE2022. The selected paper is Ultrasonic focusing using a stacked thin-plate region, Takaaki Fukuchi, Takahiro Hayashi, Naoki Mori, Japanese Journal of Applied Physics 2023, https://doi.org/10.35848/1347-4065/acb361
USE2023HP. - 2023.8.1
- Dr. Mori was promoted to lecturer.
- 2023.7.14
- Dr. Mori (Assist. Prof.) made a presentation at the 7th International Conference on Structural Adhesive Bonding 2023 (AB2023). Title: Shear bond stiffness evaluation of adhesive lap joints based on the guided wave transmission/reflection spectral interference, Naoki Mori, Junya Toyota, Daichi Wakabayashi, Takahiro Hayashi
- 2023.6.6
- Prof. Takahiro Hayashi received the Best Paper Award in the 70th anniversary of the Japan Society for Non-Destructive Inspection. This award was selected as the best of all papers published in the Journal of the Japanese Society for Non-Destructive Inspection over the past 10 years. Professor Hayashi received this prize for his paper "Numerical Analysis of Harmonic Generation at Metal Block-Thin Film Interface Using Separation Spring Model" (co-authored with Mr. Atsushi Tatsumi, currently IHI Corporation (at that time, a graduate student in Kyoto University)).
- 2023.5.29
- Prof. Francesco Simonetti from University of Cincinnati is staying with us in the program of JSPS invitational Fellowships for Research in Japan (short-term).
- 2023.4.16
- 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).
EResonance and absorption of ultrasonic waves in asymmetric viscoelastic-elastic laminates, Naoki Mori, Takahiro Hayashi
EControl of guided wave propagation with layered path in a plate, Mingquian Xia, Takaaki Fukuchi, Takahiro Hayashi, Naoki Mori
EUltrasonic focusing by designing a stacked thin plate region, Takaaki Fukuchi, Takahiro Hayashi, Naoki Mori
EEnergy trapping of in-plane vibration in a hollow cylinder with a circumferential groove on the inner surface, Yuma Iiboshi, Takahiro Hayashi, Naoki Mori
EEnergy trapping of in-plane vibration in a hollow cylinder with a circumferential groove on the inner surface, Yuma Iiboshi, Takahiro Hayashi, Naoki Mori
EThree-dimensional analysis of reflection characteristics of Lamb waves at an adhesively bonded stiffener in a plate, Junya Toyota, Naoki Mori, Takahiro Hayashi
EThree-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
- 2022.3.24
- A graduation ceremonny was held. Photo
- 2022.2.16, 18
- 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 structureCTakaaki 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 pipesC Takahiro Hayashi
- 2020.11.27
- Mr. Akito Iwata (M1) gave a poster presentation in USE2020 (webinarj. Energy Trapping of Circumferential SH Wave at a Groove in a PipeCAkito 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 gEmerging Technologies of Advanced Ultrasonic Measurementh [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.
- Past news
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Hayashi Lab. Osaka Univ.
§565-0871
2-1 Yamadaoka, Suita, Osaka
Hayashi Lab.
Dept. of. Mechanical Engineering
Osaka Univ.
