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"University of Tokyo" Search Results: 55
Title / Author(s) / Keywords Publication Date
Numerical Analysis of Lamb Wave Propagation in a Periodically Stiffened CFRP Plate for Impact Damage Detection
P. Deng, O. Saito, Y. Okabe8
Institute of Industrial Science; University of Tokyo55, Tokyo [Japan]
Aerospace, Composite materials, Impact, Ultrasonics

 
EWSHM 2018
Session: Lamb waves
2018-12
High-temperature Ultrasonic/AE sensing System Using Fiber-optic Bragg Gratings
F. Yu14, F. Yu25, F. Yu32, Y. Okabe28
1Electric Power Research Institute (EPRI)92, Charlotte, NC [USA]
2Institute of Industrial Science; University of Tokyo55, Tokyo [Japan]
3Chengdu Lead Science & Technology Co., Ltd.10, Chengdu [China]
Acoustic emission, Composite materials, High temperature, Sensors, Ultrasonics

 
EWSHM 2018
Session: Optical fibres
2018-12
Health self-monitoring of nano-engineered composite structures with enhanced mechanical and electrical profiles
Y. Li13, Y. Li22, Y. Li33, Y. Li44, Y. Li52, Y. Li62, Y. Li72, Y. Li82, Y. Li92, Y. Li103, Y. LI113, Y. Li122, Y. Li132, Y. Li143, Y. Li32, Y. Liao152, Z. Su163, Z. Su1715
1Jiangsu Taihu Boiler Co. Ltd3, Wuxi [China]
2China Air-Dynamic Research and Development Center2, Mianyang [China]
3aSchool of Information Science Technology bBeijing Institute of Technology; Beijing Institute of Technology17, Beijing [China]
4School of Electrical and Electronic Engineering; University of Newcastle30, Newcastle upon Tyne [United Kingdom]
5School of Materials Science and Engineering; Harbin Institute of Technology42, Harbin [China]
6Department of Materials Engineering; University of Tokyo55, Tokyo [Japan]
7Department of Mechanical Engineering; Chiba University2, Chiba [Japan]
8School of Architecture and Civil Engineering; Xiamen University15, Xiamen [China]
9Department of Materials Science and Engineering; Stanford University12, Palo Alto, CA [USA]
10Granpect Company Limited5, Beijing [China]
11School of Mechanical Engineering and Automation; Beihang University29, Beijing [China]
12China Special Equipment Inspection and Research Institute (CSEI)41, Beijing [China]
13South China University of Technology3, Guangzhou [China]
14Center for Information Geoscience; University of Electronic Science and Technology of China18, Chengdu [China]
15Institute of Nuclear Energy Research5, Taoyuan [Taiwan, Province of China]
16epartment of Electrical and Computer Engineering; Michigan State University30, East Lansing, MI [USA]
17Department of Mechanical Engineering; Hong Kong Polytechnic University25, Kowloon [Hong Kong, China]
Composite materials, Nano materials, Sensors, Smart materials, Ultrasonics

 
EWSHM 2018
Session: Self-sensing materials
2018-12
Multi-pass CT Scanning with Orientation Selection and Volume Integration for Metal Artifact Reduction
K. Kobayashi, Y. Ohtake13, Y. Nagai10, H. Suzuki13
University of Tokyo55, Tokyo [Japan]
Radiographic Testing (RT), Modeling and Simulation, Multi-pass CT Scan, Metal Artifact Reduction, Cone-beam X-rays, X-ray Computed Tomography (CT)

 
APCNDT 2017
Session: Computed Tomography 1
2018-03
Extraction of Woven Strip Structures from its X-ray CT Volume
Y. Nagai10, Y. Ohtake13, H. Suzuki13
Department of Precision Engineering; University of Tokyo55, Tokyo [Japan]
Radiographic Testing (RT), Modeling and Simulation, Woven structure, Differentials, X-ray CT

 
APCNDT 2017
Session: Radiography 2
2018-03
Detection of Narrow Gaps Using Hessian Eigenvalues for Shape Segmentation on CT Volume of Assembled Parts
S. Watanabe, Y. Ohtake13, Y. Nagai10, H. Suzuki13
School of Engineering; University of Tokyo55, Tokyo [Japan]
CT volume segmentation, Gap detection, Shape extraction of assembled parts

 
iCT 2018
Session: Algorithms, image processing and visualisation
2018-02
Modeling of contact acoustic nonlinearity for evaluating fatigue crack in metal plate
R. Wang1, Q. Wu24, F. Yu25, Y. Okabe28, K. Xiong13
1State Key Laboratory of Mechanics and Control of Mechanical Structures; Nanjing University of Aeronautics and Astronautics (NUAA)57, Nanjing [China]
2Institute of Industrial Science; University of Tokyo55, Tokyo [Japan]
Fatigue crack, Nonlinear ultrasonics, Nondestructive testing, Contact acoustic nonlinearity

 
AeroNDT 2017
2018-02
High-precision source location of AE event using automatic error correction of signal rising time
K. Ito6, M. Enoki17
Department of Materials Engineering; University of Tokyo55, Tokyo [Japan]

 
Journal-AE
Session: Volume 34, 2016
2017-10
Numerical analysis of laser ultrasound propagation excited by mid IR light source in CFRP
K. Oguchi1, M. Enoki117, H. Yamawaki23, H. Hatano2, M. Watanabe2
1Department of Materials Engineering; University of Tokyo55, Tokyo [Japan]
2Optical & Electronic Materials Unit; National Institute for Materials Science (NIMS)6, Tsukuba [Japan]
LUT, CFRP, wave propagation analysis, FEM, optical depth, mid-IR laser

 
NDT.net Journal
Session: Laser Ultrasonic 2016
2017-02
Damage Type Identication Based on Acoustic Emission Detection Using a Fiber-Optic Sensor in Carbon Fiber Reinforced Plasitc Laminates
F. Yu15, Y. Okabe18, Q. Wu14, N. Shigeta2
1Institute of Industrial Science; University of Tokyo55, Tokyo [Japan]
2Institute of Industrial Science; IHI Corporation, Tokyo [Israel]
Optical Fiber Sensor, Composite Material, Guided Wave

 
EWGAE 2016
Session: Advanced Composites
2016-11
High Sensitivity Detection of AE Events in Noisy Environment using Stream Recording and Parallel Computation
K. Ito6, M. Enoki17
Department of Materials Engineering; University of Tokyo55, Tokyo [Japan]
Signal Processing, Continuous Waveform, Noise Filtering, Multiple Thresholds, Parallel Computing

 
EWGAE 2016
Session: Devices, Sensors and Transducers
2016-11
Evaluation of Deformation Behavior in LPSO-Magnesium Alloys Byae Clusteringand Inverse Analysis
M. Enoki17, Y. Muto, T. Shiraiwa2
Department of Materials Engineering; University of Tokyo55, Tokyo [Japan]
Kink deformation, LPSO-Mg alloys, Clustering, Inverse analysis

 
EWGAE 2016
Session: Materials Characterization
2016-11
CT Reconstruction on Unstructured Mesh for Multi-material Object
Y. Nagai10, Y. Ohtake13, H. Suzuki13
School of Engineering; University of Tokyo55, Tokyo [Japan]
Other Methods, Computed Tomography, Tetrahedral mesh, Mesh generation

 
WCNDT 2016
Session: Computed Tomography
2016-07
Non-destructive Evaluation of Stress Corrosion Cracking under Micro Cell by Acoustic Emission and Video Microscope
M. Shiwa12, H. Masuda1, H. Yamawaki13, K. Ito26, M. Enoki217
1National Institute for Materials Science (NIMS)6, Tsukuba [Japan]
2Department of Materials Engineering; University of Tokyo55, Tokyo [Japan]
Corrosion Detection

 
WCNDT 2016
Session: Corrosion Detection
2016-07
Dimensional Measurement of Nuclear Fuel Pellets using High Energy X-ray CT
K. Yamaguchi1, Y. Ohtake113, H. Suzuki113, Y. Nagai110, A. Ishimi22, K. Katsuyama23
1University of Tokyo55, Tokyo [Japan]
2Japan Atomic Energy Agency7, Hokkaido [Japan]
Radiography/ Computed Tomography

 
WCNDT 2016
Session: Radiography/ Computed Tomography
2016-07
Efficient Iterative CT Reconstruction on Octree Guided by Geometric Errors
S. Kim1, A. Sakane1, Y. Ohtake113, H. Suzuki113, Y. Nagai110, K. Sato2, H. Fujimoto35, M. Abe35, O. Sato34, T. Takatsuji35
1School of Engineering; University of Tokyo55, Tokyo [Japan]
2Hitachi Ltd3, Yokohama [Japan]
3National Metrology Institute of Japan (NMIJ)4, Tsukuba [Japan]
CT reconstruction, Adaptive data structure, Iterative algorithm, Geometric error driven method

 
iCT 2016
Session: Algorithms, optimisations and visualisations
2016-02
Quality evaluation of X-ray computed tomography volume data in dimensional metrology
L. Xue1, H. Suzuki113, Y. Ohtake113, H. Fujimoto25, M. Abe25, O. Sato24, T. Takatsuji25
1RCAST; University of Tokyo55, Tokyo [Japan]
2National Metrology Institute of Japan (NMIJ)4, Tsukuba [Japan]
X-ray computed tomography, dimensional metrology, image quality, measurement accuracy, entropy

 
iCT 2016
Session: Metrology
2016-02
Multi-Material 3D Shape Reconstruction by Dual-Energy CT Imaging
M. Negishi, Y. Ohtake13, H. Suzuki13, Y. Nagai10
School of Engineering; University of Tokyo55, Tokyo [Japan]
multi-material, dual-energy imaging, sinogram, shape extraction

 
iCT 2016
Session: Reconstruction and corrections methods
2016-02
Acoustic emission monitoring of sandy ground under sequential pile loading
W. Mao, S. Aoyama, S. Goto, I. Towhata
Department of Civil Engineering; University of Tokyo55, Tokyo [Japan]
Acoustic emission, sand crushing, pile, fast Fourier transformation (FFT), dominant frequency
 
NDTCE 2015
Session: Poster
2015-11
Inner Defect Detection in Ceramic Matrix Composite Parts using 3D X-ray CT Image Registration
S. Kondo1, H. Suzuki113, Y. Ohtake113, Y. Nagai110, H. Hishida22, K. Inagaki23, T. Nakamura22, F. Watanabe2
1School of Engineering; University of Tokyo55, Tokyo [Japan]
2Ishikawajima-Harima Heavy Industries Co. (IHI Corporation)4, Tokyo [Japan]
Radiographic Testing (RT), defect detection, ceramic matrix composites, X-ray CT, non-destructive inspection, meandering

 
DIR 2015
Session: Defect detection
2015-08
 
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