2024
[106]L. Tan, O. Saito, Y. Okabe
"Theoretical investigation on scattering of ultrasonic Lamb waves at damaged area in quasi-isotropic CFRP laminates based on Mindlin plate theory,"
Nondestructive Testing and Evaluationl, Publised Online (2024)
[105]Z. Lan, O. Saito, Y. Okabe
"Delamination detection in CFRP laminates using a chirp guided wave mixing technique,"
NDT and E International, 144, 103086 (2024)
[104]齋藤理, 陳偉堃, 董澤宇, 岡部洋二
"レーザ励起ガイド波の分散関係に基づくハニカムサンドイッチ構造のはく離検出,"
非破壊検査, 73(2), 85-92 (2024)
[103]Z. Lan, O. Saito, F. Yu, Y. Okabe
"Impact damage detection in woven CFRP laminates based on a local defect resonance technique with laser ultrasonics,"
Mechanical Systems and Signal Processing, 207, 110929 (2024)
2023
[102]Z. Dong, W. Chen, O. Saito, F. Yu, Y. Okabe
"Water ingress detection in an aluminum honeycomb sandwich structure using laser ultrasonics based on mode conversion behaviors,"
Journal of Sandwich Structures & Materials, OnlineFirst, (2023)
[101]Z. Dong, W. Chen, O. Saito, Y. Okabe
“Disbond detection of honeycomb sandwich structure through laser ultrasonics using signal energy map and local cross-correlation,”
Journal of Sandwich Structures & Materials, 25(5), 501-517 (2023)
[100]Z. Lan, W. Li, M. Deng, Y. Okabe
“Combined harmonic generation of feature guided waves mixing in a welded joint,”
Wave Motion, 117, 103103 (2023)
[99]Z. Li, F. Yu, O. Saito, Y. Okabe
“In-situ laser-ultrasonic visualization with the use of regenerated fiber Bragg grating sensors at elevated temperatures,”
Mechanical Systems and Signal Processing, 188, 110007 (2023)
[98]K. Saito. A. Fujimoto, Y. Okabe,
“Constructing Three-Dimensional Honeycomb Structures Based on Origami Geometry,”
Journal of Mechanisms and Robotics, 15(5), 051005 (2023)
2022
[97]F. Yu, Z. Li, Y. Okabe,
“Application of a remotely bonded fiber-optic Bragg grating sensor to acoustic emission testing for a carbon-carbon composite at a temperature of 1000 ◦C,”
Measurement, 203, 111908 (2022)
[96]O. Saito, E. Sen, Y. Okabe,
“2D slowness visualization of ultrasonic wave propagation for delamination detection in CFRP laminates,”
NDT & E International, 131, 102696 (2022)
[95]L. Tan, O. Saito, F. Yu, Y. Okabe, T. Kondoh, S. Tezuka, and A. Chiba,
“Impact Damage Detection Using Chirp Ultrasonic Guided Waves for Development of Health Monitoring System for CFRP Mobility Structures,”
Sensors, 22(3), 789 (2022)
[94]F. Yu, O. Saito, and Y. Okabe,
“Detection of a single transverse crack in a CFRP cross-ply laminate by visualizing mode conversion of Lamb waves,”
Composite Structures, 283, 115118 (2022)
[93]C. Gong, Q. Wu, H. Zhang, R. Wang, K. Xiong, Y. Okabe, and F. Yu,
“Dual-frequency acousto-ultrasonic sensing of impact damage in composites for mitigating signal instability,”
Structural Health Monitoring, 21(2), 282-297 (2022)
2021
[92]Z. Zhang, O. Saito, and Y. Okabe,
“Analysis on ultrasonic waves generated in anisotropic carbon fiber reinforced plastic laminate by laser incidence from various directions,”
Results in Physics, 31, 104927 (2021)
[91]O. Saito, M. Liu, Y. Okabe, and H. Soejima,
“Numerical analysis of Lamb waves propagating through impact damage in a skin-stringer structure composed of interlaminar-toughened CFRP,”
Composite Structures, 277, 114369 (2021)
[90]O. Saito, F. Yu, Y. Okabe,
“Dispersion relation of Lamb waves in cross-ply composite laminates using multi-layered models,”
Composite Structures, 264, 113691 (2021)
[89]R. Wang, Q. Wu, K. Xiong, H. Zhang, Y. Okabe,
“Evaluation of the matrix crack number in carbon fiber reinforced plastics using linear and nonlinear acousto-ultrasonic detections,”
Composite Structures, 255, 112962 (2021)
[88]F. Yu, O. Saito, Y. Okabe,
“An ultrasonic visualization system using a fiber-optic Bragg grating sensor and its application to damage detection at a temperature of 1000 °C,”
Mechanical Systems and Signal Processing, 147, 107140 (2021)
[87]F. Yu, O. Saito, Y. Okabe,
“Laser ultrasonic visualization technique using a fiber-optic Bragg grating ultrasonic sensor with an improved adhesion configuration,”
Structural Health Monitoring, 20(1), 303-320 (2021)
2020
[86]O. Saito, E. Sen, Y. Okabe, N. Higuchi, H. Ishizuki, and T. Taira,
“Laser wavelengths suitable for generating ultrasonic waves in resin-coated carbon fiber composites,”
Journal of Nondestructive Evaluation, Diagnostics and Prognostics of Engineering Systems, 3(3), 031103 (2020)
[85]P. Deng, O. Saito, Y. Okabe, and H. Soejima,
“Simplified Modeling Method of Impact Damage for Numerical Simulation of Lamb Wave Propagation in Quasi-isotropic Composite Structures,”
Composite Structures, 243(1), 112150 (2020)
[84]J. Chen, X. Yu, M. Xu, Y. Okabe, X. Zhang, and W. Tuo,
“The compressive properties and strengthening mechanism of the middle-trabecular beetle elytron plate,”
Journal of Sandwich Structures and Materials, 22(4), 948-961 (2020)
[83]F. Yu and Y. Okabe,
“Linear Damage Localization in CFRP laminates Using One Single Fiber-Optic Bragg Grating Acoustic Emission Sensor,”
Composite Structures, 238(15), 111992 (2020)
[82]X. Zhang, J. Chen, Y. Okabe, P. Zhang, X. Xiong, and X. Yu,
“Influence of honeycomb dimensions and forming methods on the compressive properties of beetle elytron plates,”
Journal of Sandwich Structures and Materials, 22(1), 28-39 (2020)
2019
[81]O. Saito, N. Higuchi, E. Sen, and Y. Okabe,
“Analysis of ultrasonic waves generated by oblique incidence of a laser,”
Insight – Non-Destructive Testing and Condition Monitoring, 61(12), 714-719 (2019)
[80]Q. Wu, R. Wang, F. Yu, and Y. Okabe,
“Application of an Optical Fiber Sensor for Nonlinear Ultrasonic Evaluation of Fatigue Crack,”
IEEE Sensors Journal, 19(13), 4992-4999 (2019)
[79]R. Wang, Q. Wu, F. Yu, Y. Okabe, K. Xiong,
“Nonlinear ultrasonic detection for evaluating fatigue crack in metal plate,”
Structural Health Monitoring, 18(3), 869-881 (2019)
[78]F. Yu and Y. Okabe,
“Regenerated fiber Bragg grating sensing system for ultrasonic detection in 900 °C environment”,
Journal of Nondestructive Evaluation, Diagnostics and Prognostics of Engineering Systems, 2(1), 011006 (2019)
[77]L. Wang, K. Saito, Y. Gotou, and Yoji Okabe,
“Design and fabrication of aluminum honeycomb structures based on origami technology,”
Journal of Sandwich Structures and Materials, 21(4), 1224-1242 (2019)
[76]W. Tuo, P. Wei, J. Chen, Y. Okabe, X. Zhang and M. Xu,
“Experimental study of the edgewise compressive mechanical properties of biomimetic fully integrated honeycomb plates,”
Journal of Sandwich Structures and Materials, 21(8), 2735-2750 (2019)
[75]X. Zhang, J. Chen, Y. Okabe, J. Xie and Z. Zhang,
“Compression properties of metal beetle elytron plates and the elementary unit of the trabecular-honeycomb core structure,”
Journal of Sandwich Structures and Materials, 21(6), 2031-2041 (2019)
[74]J. Chen, W. Tuo, P. Wei, Y. Okabe, M. Xu and M. Xu,
“Characteristics of the shear mechanical properties and the influence mechanism of short basalt fiber reinforced polymer composite materials,”
Journal of Sandwich Structures and Materials, 21(4), 1520-1534 (2019)
[73]J. Chen, X. Zhang, Y. Okabe, J. Xie, and M. Xu,
“Beetle elytron plate and the synergistic mechanism of a trabecular-honeycomb core structure,”
Science China Technological Sciences, 62(1), 87-93 (2019)
2018
[72]Q. Wu, Y. Okabe, and F. Yu,
“Ultrasonic Structural Health Monitoring Using Fiber Bragg Grating”,
Sensors, 18(10), 3395 (2018)
[71]于 豊銘, 岡部 洋二,
“高温で計測可能な光ファイバ超音波センサの構築,”
日本機械学会論文集, 84(857), p.17-00406 (2018)
2017
[70]F. Yu and Y. Okabe,
“Fiber-optic sensor-based remote acoustic emission measurement in a 1000 °C environment,”
Sensors, 17(12), 2908 (2017)
[69]J. Chen, M. Xu, Y. Okabe, Z. Guo, and X. Yu,
“Structural Characteristics of the Core Layer and Biomimetic Model of the Ladybug Forewing,”
Micron, 101, 156-161 (2017)
[68]X. Zhang, J. Xie, J. Chen, Y. Okabe, L. Pan, and M. Xu,
“The beetle elytron plate: a lightweight, high-strength and buffering functional-structural bionic material,”
Scientific Reports, 7, Article number: 4440 (2017)
[67]J. Chen, X. Zhang, Y. Okabe, K. Saito, Z. Guoa, and L. Pan,
“The deformation mode and strengthening mechanism of compression in the beetle elytron plate,”
Materials and Design, 131, 481-486 (2017)
[66]K. Saito, S. Nomura, S. Yamamoto, R. Niyama, and Y. Okabe,
“Investigation of hindwing folding in ladybird beetles by artificial elytron transplantation and microcomputed tomography,”
Proceedings of the National Academy of Sciences of the United States of America, 114(22), 5624-5628 (2017)
2016
[65]F. Yu, Y. Okabe, Q. Wu, and N. Shigeta,
“A novel method of identifying damage types in carbon fiber-reinforced plastic cross-ply laminates based on acoustic emission detection using a fiber-optic sensor”,
Composites Science and Technology, 135(27), 116-122 (2016)
[64]F. Yu, Y. Okabe, Q. Wu, and N. Shigeta,
“Fiber-optic sensor-based remote acoustic emission measurement of composites”,
Smart Materials and Structures, 25(10), 105033 (2016)
[63]Q. Wu and Y. Okabe,
“Investigation of an integrated fiber laser sensor system in ultrasonic structural health monitoring”,
Smart Materials and Structures, 25(3), 035020 (2016)
[62]F. Yu, Q. Wu, Y. Okabe, S. Kobayashi, and K. Saito,
“The identification of damage types in carbon fiber–reinforced plastic cross-ply laminates using a novel fiber-optic acoustic emission sensor,”
Structural Health Monitoring, 15(1), 93-103 (2016)
[61]K. Saito, A. Tsukahara, and Y. Okabe,
“Designing of self-deploying origami structures using geometrically misaligned crease patterns,”
Proceedings of the Royal Society A, 472(2185), 20150235 (2016)
2015
[60]Q. Wu, Y. Okabe, and J. Wo,
“Fiber sensor based on interferometer and Bragg grating for multi-parameter detection,”
Photonics Technology Letters, 27(12), 1345-1348 (2015)
[59]R. Zheng, K. Nakano, R. Ohashi, Y. Okabe, M. Shimazaki, H. Nakamura, and Q. Wu,
“PARAFAC decomposition for ultrasonic wave sensing of fiber Bragg grating sensors: procedure and evaluation,”
Sensors, 15(7), 16388-16411 (2015)
[58]Q. Wu, F. Yu, Y. Okabe, K. Saito, and S. Kobayashi,
“Acoustic emission detection and position identification of transverse cracks in carbon fiber-reinforced plastic laminates by using a novel optical fiber ultrasonic sensing system,”
Structural Health Monitoring, 14(3), 205-213 (2015)
[57]K. Saito, A. Tsukahara, and Y. Okabe,
“New deployable structures based on an elastic origami model,”
Journal of Mechanical Design, 137(2), 021402 (2015)
[56]Q. Wu, F. Yu, Y. Okabe, and S. Kobayashi,
“Application of a novel optical fiber sensor to detection of acoustic emissions by various damages in CFRP laminates,”
Smart Materials and Structures, 24(1), 015011 (2015)
[55]Q. Wu and Y. Okabe,
“Waveform reconstruction for an ultrasonic fiber Bragg grating sensor demodulated by an erbium fiber laser,”
Applied Optics, 54(4), 694-698 (2015)
2014
[54]K. Saito, S. Yamamoto, M. Maruyama, and Y. Okabe,
“Asymmetric hindwing foldings in rove beetles,”
Proceedings of the National Academy of Sciences of the United States of America (PNAS), 111(46), 16349-16352 (2014)
[53]Q. Wu, Y. Okabe, and J. Sun,
“Investigation of dynamic properties of erbium fiber laser for ultrasonic sensing,”
Optics Express, 22(7), 8405-8419 (2014)
[52]Q. Wu and Y. Okabe,
“Novel real-time acousto-ultrasonic sensors using two phase-shifted fiber Bragg gratings,”
Journal of Intelligent Material Systems and Structures, 25(5), 640-646 (2014)
[51]Q. Wu, Y. Okabe, K. Saito and F. Yu,
“Sensitivity Distribution Properties of a Phase-Shifted Fiber Bragg Grating Sensor to Ultrasonic Waves,”
Sensors, 14(1), 1094-1105 (2014)
2013
[50]宋東烈, 大槻洋三, 加部重好, 岡部洋二,
“SMA人工筋肉の力学的性能と最適幾何形状に関する検討,”
日本機械学会論文集（A 編）, 79(804), 1127-1131, (2013)
2012
[49]高橋市弥, 伊藤悠策, 矢代茂樹, 高坪純治, 武田真一, 岩堀豊, 岡部洋二, 武田展雄,
“CFRP損傷検出のためのパルスレーザー励起弾性波伝搬特性評価”,
実験力学, 12(3), 220-226 (2012)
[48]Q. Wu and Y. Okabe,
“High-sensitivity ultrasonic phase-shifted fiber Bragg grating balanced sensing system,”
Optics Express, 20(27), 28353-28362 (2012)
[47]高橋市弥, 伊藤悠策, 矢代茂樹, 武田真一, 岩堀豊, 高坪純治, 岡部洋二, 武田展雄,
“レーザー励起弾性波可視化手法を用いたCFRPスカーフ補修構造の損傷検出”,
日本複合材料学会誌, 38(5), 207-215 (2012)
[46]Q. Wu and Y. Okabe,
“Ultrasonic sensor employing two cascaded phase-shifted fiber Bragg gratings suitable for multiplexing,”
Optics Letters, 37(16), 3336-3338 (2012)
[45]中野公彦, 大橋塁, 岡部洋二, 嶋崎守, 中村弘毅, 渡辺尚子,
“パラレルファクタ分析法を用いた光ファイバセンサ出力の検出,”
日本機械学会論文集（C 編）, 78(789), 1410-1419, (2012)
[44]T. Yokozeki, Y. Miyaoka, and Y. Okabe,
“Identification of Wrinkle States in Membranes Based on Dispersion of Elastic Wave,”
Transactions of the Japan Society for Aeronautical and Space Sciences, Aerospace Technology Japan, 10(ists28), Pc_1-Pc_6, (2012)
[43]岡部洋二,
“損傷検知・形状回復能力を有する知的ハニカムサンドイッチパネルの構築 ―続報：衝撃損傷の動的検知と力学的特性回復―,”
日本複合材料学会誌, 38(2), 58-66, (2012)
2011
[42]Y. Okabe, K. Fujibayashi, M. Shimazaki, and H. Soejima,
“Damage Detection in Aircraft Composite Materials Using a Built-in Broadband Ultrasonic Propagation System,”
Journal of System Design and Dynamics, 5(5), 966-981, (2011)
[41]Y. Okabe, H. Sugiyama, and T. Inayoshi,
“Lightweight Actuator Structure with SMA Honeycomb Core and CFRP Skins,”
ASME, Journal of Mechanical Design, 133(1), 011006 (2011)
2010
[40]Y. Okabe, K. Fujibayashi, M. Shimazaki, H. Soejima, and T. Ogisu,
“Delamination detection in composite laminates using dispersion change based on mode conversion of Lamb waves,”
Smart Materials and Structures, 19(11), 115013 (2010)
[39]岡部洋二, 中山文博, 副島英樹,
“組込型広帯域ラム波送受振システムによるCFRP接着構造の剥がれ損傷検知,”
日本機械学会論文集A編, 76(764), 103-110 (2010)
2009
[38]S. Minakuchi, Y. Okabe, T. Mizutani and N. Takeda,
“Barely visible impact damage detection for composite sandwich structures by optical-fiber-based distributed strain measurement,”
Smart Materials and Structures, 18(8), 085018 (2009)
[37]崔大坤，都井裕，水口周，岡部洋二,
“形状記憶合金素子の形状記憶効果に関する有限要素解析,”
日本機械学会論文集A編, 75(753), 543-549 (2009)
[36]Y. Okabe and F. Nakayama,
“Damage Detection in CFRP Laminates by Ultrasonic Wave Propagation Using MFC Actuator and FBG Sensor,”
Transactions of the Japan Society for Aeronautical and Space Sciences, Space Technology Japan, 7(ists26), Pc_7-Pc_12 (2009)
2008
[35]S. Minakuchi, T. Mizutani, H. Tsukamoto, M. Nishio, Y. Okabe, and N. Takeda,
“Brillouin Spectral Response Depending on Strain Non-Uniformity within Centimeter Spatial Resolution and its Application to Internal Damage Detection in Large-Scale Composite Structures,”
Structural Durability & Health Monitoring, 4(4), 199-219 (2008)
[34]S. Takeda, Y. Okabe, and N. Takeda,
“Monitoring of delamination growth in CFRP laminates using chirped FBG sensors,”
Journal of Intelligent Material Systems and Structures, 19(4), 437-444 (2008)
[33]Y. Okabe, S. Minakuchi, N. Shiraishi, K. Murakami, and N. Takeda,
“Smart honeycomb sandwich panels with damage detection and shape recovery functions,”
Advanced Composite Materials, 17(1), 41-56 (2008)
[32]S. Minakuchi, Y. Okabe, and N. Takeda,
“Segment-wise model” for theoretical simulation of barely visible indentation damage in composite sandwich beams: Part I – Formulation,”
Composites Part A, 39(1), 133-144 (2008)
2007
[31]M. Amano, Y. Okabe, N. Takeda, and T. Ozaki,
“Structural health monitoring of an advanced grid structure with embedded fiber Bragg grating sensors,”
Structural Health Monitoring, 6(4), 309-324 (2007)
[30]S. Minakuchi, Y. Okabe, and N. Takeda,
“Segment-wise model” for theoretical simulation of barely visible indentation damage in composite sandwich beams: Part II – Experimental verification and discussion,”
Composites Part A, 38(12), 2443-2450 (2007)
[29]Y. Okabe, J. Kuwahara, K. Natori, N. Takeda, T. Ogisu, S. Kojima, and S. Komatsuzaki,
“Evaluation of debonding progress in composite bonded structures using ultrasonic waves received in fiber Bragg grating sensors,”
Smart Materials and Structures, 16(4), 1370-1378 (2007)
[28]S. Takeda, T. Yamamoto, Y. Okabe, and N. Takeda,
“Debonding monitoring of composite repair patches using embedded small-diameter FBG sensors,”
Smart Materials and Structures, 16(3), 763-770 (2007)
[27]S. Minakuchi, Y. Okabe, and N. Takeda,
“Real-time Detection of Debonding between Honeycomb Core and Facesheet using a Small-diameter FBG Sensor Embedded in Adhesive Layer,”
Journal of Sandwich Structures and Materials, 9(1), 9-33 (2007)
[26]岡部洋二, 水口周, 白石伸夫, 村上賢, 武田展雄,
“損傷検知・形状回復能力を有する知的ハニカムサンドイッチパネルの構築,”
日本複合材料学会誌, 33(1), 30-37 (2007)
2006
[25]T. Ogisu, M. Shimanuki, S. Kiyoshima, Y. Okabe, and N. Takeda,
“Feasibility studies on active damage detection for CFRP aircraft bonding structures,”
Advanced Composite Materials, 15(2), 153-173 (2006)
[24]岡部洋二, 水口周, 村上賢, 白石伸夫, 武田展雄,
“CFRPサンドイッチパネルの衝撃損傷のSMA箔ハニカムコアによる修復,”
実験力学, 6(2), 152-158 (2006)
2005
[23]N. Takeda, Y. Okabe, J. Kuwahara, S. Kojima, and T. Ogisu,
“Development of smart composite structures with small-diameter fiber Bragg grating sensors for damage detection: Quantitative evaluation of delamination length in CFRP laminates using Lamb wave sensing,”
Composites Science and Technology, 65(15-16), 2575-2587 (2005)
[22]M. Amano, Y. Okabe, and N. Takeda,
“Evaluation of crack suppression effect of TiNi SMA foil embedded in CFRP cross-ply laminates with embedded small-diameter FBG sensor,”
JSME International Journal Series A-Solid Mechanics and Material Engineering, 48(4), 443-450 (2005)
[21]S. Takeda, S. Minakuchi, Y. Okabe, and N. Takeda,
“Delamination monitoring of laminated composites subjected to low-velocity impact using small-diameter FBG sensors,”
Composites Part A, 36(7), 903-908 (2005)
[20]M. Amano, I. Taketa, M. Kobayashi, T. Ogisu, Y. Okabe, and N. Takeda,
“Evaluation of the damage suppression effect of Ti-Ni shape memory alloy foils embedded in carbon fiber reinforced plastic laminates,”
Advanced Composite Materials, 14(1), 43-61 (2005)
[19]I. Taketa, M. Amano, M. Kobayashi, T. Ogisu, Y. Okabe, and N. Takeda,
“Modeling of thermo-mechanical behavior of Ti-Ni shape memory alloy foils embedded in carbon fiber reinforced plastic laminates,”
Advanced Composite Materials, 14(1), 25-42 (2005)
[18] 玉上久雄, 桑原淳一郎, 岡部洋二, 武田展雄, 小島正嗣,
“FBG光ファイバセンサを用いたLamb波受振によるCFRP積層板中の剥離検出,”
日本航空宇宙学会論文集, 53(615), 166-173 (2005)
2004
[17]岡部洋二, 辻良平, 武田展雄,
“FBGセンサを用いたCFRP積層板中の非軸対称熱残留ひずみの測定,”
日本複合材料学会誌, 30(5), 199-206 (2004)
[16]Y. Okabe, R. Tsuji, and N. Takeda,
“Application of chirped fiber Bragg grating sensors for identification of crack locations in composites,”
Composites Part A, 35(1), 59-65 (2004)
2003
[15]T. Mizutani, Y. Okabe, and N. Takeda,
“Quantitative evaluation of transverse cracks in carbon fiber reinforced plastic quasi-isotropic laminates with embedded small-diameter fiber Bragg grating sensors,”
Smart Materials and Structures, 12(6), 898-903 (2003)
[14]N. Tanaka, Y. Okabe, and N. Takeda,
“Temperature-compensated strain measurement using fiber Bragg grating sensors embedded in composite laminates,”
Smart Materials and Structures, 12(6), 940-946 (2003)
[13]I. Taketa, M. Amano, Y. Okabe, and N. Takeda,
“Damage detection and suppression system of CFRP laminates with FBG sensor and SMA actuator,”
Transactions of the Materials Research Society of Japan, 28(3), 675-678 (2003)
[12]S. Takeda, Y. Okabe, T. Yamamoto, and N. Takeda,
“Detection of edge delamination in CFRP laminates under cyclic loading using small-diameter FBG sensors,”
Composites Science and Technology, 63(13), 1885-1894 (2003)
2002
[11]Y. Okabe, N. Tanaka, and N. Takeda,
“Effect of fiber coating on crack detection in carbon fiber reinforced plastic composites using fiber Bragg grating sensors,”
Smart Materials and Structures, 11(6), 892-898 (2002)
[10]Y. Okabe, S. Yashiro, R. Tsuji, T. Mizutani, and N. Takeda,
“Effect of thermal residual stress on the reflection spectrum from fiber Bragg grating sensors embedded in CFRP laminates,”
Composites Part A, 33(7), 991-999 (2002)
[9]S. Takeda, Y. Okabe, and N. Takeda,
“Delamination detection in CFRP laminates with embedded small-diameter fiber Bragg grating sensors,”
Composites Part A, 33(7), 971-980 (2002)
[8]Y. Okabe, T. Mizutani, S. Yashiro, and N. Takeda,
“Detection of microscopic damages in composite laminates with embedded small-diameter fiber Bragg grating sensors,”
Composites Science and Technology, 62(7-8), 951-958 (2002)
[7]Y. Okabe and N. Takeda,
“Quantitative evaluation of interlaminar-toughened CFRP composite by ultrasonic wave propagation characteristics,”
Journal of Composite Materials, 36(6), 757-769 (2002)
2000
[6]Y. Okabe, S. Yashiro, T. Kosaka, and N. Takeda,
“Detection of transverse cracks in CFRP composites using embedded fiber Bragg grating sensors,”
Smart Materials and Structures, 9(6), 832-838 (2000)
1999
[5]Y. Okabe, N. Takeda, M. Yanaka, and Y. Tsukahara,
“Determination of the orthotropic elastic constants of thin PET film by an ultrasonic micro-spectrometer,”
IEEE Transactions on Ultrasonics, Ferroelectrics, Frequency and Control, 46(5), 1269-1275 (1999)
[4]Y. Okabe, N. Takeda, and M. Sekiguchi,
“Macroscopic and microscopic elastic constant measurements of ceramic matrix composites using ultrasonic waves,”
Journal of Composite Materials, 33(18), 1744-1755 (1999)
1998
[3]岡部洋二, 武田展雄,
“吸湿によるCFRP弾性率変化の超音波伝播特性による評価,” 　　　　　　　　　　　　　　　　　　　　　　　　
日本機械学会論文集(A編), 64(620), 1023-1028, (1998)
[2]岡部洋二, 武田展雄,
“吸湿によるCFRP粘性係数変化の超音波伝ぱ特性による評価,”
材料, 47(5), 472-477, (1998)
1996
[1]N. Takeda, T. Kosaka, and Y. Okabe,
“High-resolution ultrasonic detection of subsurface transverse cracks in CFRP laminates -simulation and experiments-,”
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