Member

Faculty

Student

Publication

114. Jimin Qian, Nam Phuong Nguyen, Yutaka Oya, Gota Kikugawa, Tomonaga Okabe, Yue Huang and Fumio S. Ohuchi, "Introducing self-organized maps (SOM) as a visualization tool for materials research and education", Results in Materials, in pressPDF file
113. Sota Onodera and Tomonaga Okabe, "Three-dimensional analytical model for effective elastic constants of transversely isotropic plates with multiple cracks: application to stiffness reduction and steady-state cracking of composite laminates", Engineering Fracture Mechanics 219 (2019) 106595 PDF file
112. Gota Kikugawa, Yuta Nishimura, Koji Shimoyama, Taku Ohara, Tomonaga Okabe, Fumio Ohuchi, "Data Analysis of Multi-Dimensional Thermophysical Properties of Liquid Substances Based on Clustering Approach of Machine Learning", Chemical Physics Letters, in press PDF file
111. Go Yamamoto and Tomonaga Okabe, "Numerical study for tensile strength prediction of unidirectional carbon fiber-reinforced composite considering fiber surface stress concentration ", Mechanical Engineering Journal, in press PDF file
110. Go Yamamoto, Miho Onodera, Keita Koizumi, Jun Watanabe, Haruki Okuda, Fumihiko Tanaka, and Tomonaga Okabe, "Considering the stress concentration of fiber surfaces in the prediction of the tensile strength of unidirectional carbon fiber-reinforced plastic composite", Composites Part A 121 (2019) 499–509 PDF file
109. Shigeki Yashiro, Daichi Nakashima, Yutaka Oya, Tomonaga Okabe, Ryosuke Matsuzaki, "Particle simulation of dual-scale flow in resin transfer molding for process analysis", Composites Part A 121 (2019) 283–288 PDF file
108. Jing li, Sakamoto Jumpei, Hiroki Waizumi, Yutaka Oya, Yue Huang, Naoki Kishimoto, Tomonaga Okabe, "A multiscale model for the synthesis of thermosetting resins: From the addition reaction to cross-linked network formation", Chemical Physics Letters 720 (2019) 64–69 PDF file
107. Ryosuke Matsuzaki, Tomohiro Ishikawa, Tomonaga Okabe, Yutaka Oya, Shigeki Yashiro, "Stiffness and permeability multi-objective optimization of carbon-fiber-reinforced plastic mesostructures using homogenization method", Journal of Composite Materials 2019, Vol. 53(13) 1865–1880. PDF file
106. Haruki Okuda, Robert J. Young, Daniel Wolverson, Fumihiko Tanaka, Go Yamamoto and Tomonaga Okabe, "INVESTIGATING NANOSTRUCTURES IN CARBON FIBRES USING RAMAN SPECTROSCOPY", Carbon 130 (2018) 178-184 PDF file
105. Yutaka OYA, Kyosuke Inuyama, Tomonaga Okabe, Jun Koyanagi & Ryosuke Matsuzaki , "Analysis of structure characteristics in laminated graphene oxide nanocomposites using molecular dynamics simulation", Advanced Composite Materials, 2018, 1-12 PDF file
104. J. Watanabe, F. Tanaka, R. Higuchi, H. Matsutani, H. Okuda and T.Okabe, "A study of stress concentrations around fiber breaks in unidirectional CF/epoxy composites using double-fiber fragmentation tests", Advanced Composite Materials, 1-13 PDF file
103. Go Yamamoto, Tomonaga Okabe, and Noriaki Ikenaga, "Fracture behavior of diamond-like carbon films deposited on polymer substrates", Journal of Vacuum Science & Technology A, 36, (2018), Article No. 02C101. PDF file
102. Tomonaga Okabe, Sota Onodera, Yuta Kumagai and Yoshiko Nagumo, "Continuum damage mechanics modeling of composite laminates including transverse cracks", International Journal of Damage Mechanics, 27, 6 (2018) 877-895 PDF file
101. Sota Onodera, Yoshiko Nagumo & Tomonaga Okabe, "Prediction for progression of transverse cracking in CFRP cross-ply laminates using Monte Carlo method", Advanced Composite Materials, 26, 2017-isuue 5, 477-491. PDF file
100. Yuta Kumagai, Sota Onodera, Yoshiko Nagumo, Tomonaga Okabe, Kenichi Yoshioka, "Multiscale Modeling of Free-Surface Effect on Crack Formation in Unidirectional Off-Axis Laminates", Composites: Part A 98 (2017) 136–146. PDF file
99. R. Higuchi, T. Okabe, A. Yoshimura, T. E. Tay, "Progressive Failure under High-Velocity Impact on Composite Laminates; Experiment and Phenomenological Mesomodeling", Engineering Fracture Mechanics 178 (2017), 346-361. PDF file
98. R. Higuchi, T. Okabe, T. Nagashima, "Numerical simulation of progressive damage and failure in composite laminates using XFEM/CZM coupled approach", Composites Part A: Applied Science and Manufacturing 95(2017), 197-207 PDF file
97. Tomonaga Okabe, Yutaka Oya, Go Yamamoto, Junki Sato, Tsubasa Matsumiya, Ryosuke Matsuzaki, Shigeyuki Yashiro, and Shigeru Obayashi, "Multi-Objective Optimization for Resin Transfer Moulding Process", Composites Part A: Applied Science and Manufacturing 92(2017), 1-9 PDF file
96. Yutaka OYA, Gota KIKUGAWA and Tomonaga OKABE, "Clustering approach for multidisciplinary optimum design of cross-linked polymer", Macromolecular Theory and Simulations, 26 (2017),1600072 PDF file , cover
95. Haruki Okuda, Robert J. Young, Fumihiko Tanaka, Jun Watanabe, Tomonaga Okabe, "Tensile failure phenomena in carbon fibres", Carbon 107 (2016) 474-481. PDF file
94. Tomonaga OKABE, Yutaka OYA, Koichi TANABE, Gota KIKUGAWA, Kenichi YOSHIOKA, " Molecular Dynamics Simulation of Closslinked Epoxy Resins: Curing and Mechanical Properties", European Polymer Journal 80 (2016) 78–88. PDF file
93. Tomonaga Okabe, Yuta Kumagai, Ryo Higuchi and Masaaki Nishikawa, "Onset of Matrix Cracking in Fiber Reinforced Polymer Composites: A Historical Review and a Comparison Between Periodic Unit Cell Analysis and Analytic Failure Criteria", Advanced Structured Materials 64, H. Altenbach et al. (eds.), Springer International Publishing Switzerland, (2015), 299-317 PDF file
92. Masashi Ishikawa, Yasuo Kogo, Jun Koyanagi, Fumihiko Tanaka, Tomonaga, Okabe, "Torsional modulus and internal friction of polyacrylonitrile- and pitch-based carbon fibers", Journal of Materials Science, 50, 21, (2015) pp 7018 - 7025. PDF file
91. Shigeki Yashiro and Tomonaga Okabe, "Smoothed particle hydrodynamics in a generalized oordinate system with a finite-deformation constitutive model", Int. J. Numer. Meth. Engng 2015; 103:781-797.PDF file
90. T. Okabe, "Recent studies on numerical modelling of damage progression in fibre-reinforced plastic composites", Mechanical Engineering Reviews, 2, 1, (2015), 1-11. PDF file
89. T. OKABE, H. Imamura, Y. Sato, R. Higuchi, J. Koyanagi, R. Talreja,"Experimental and Numerical Studies of Initial Cracking in CFRP Cross-Ply Laminates", Composites Part A, 68 (2015) 81–89. PDF file
88. R. Higuchi, T. Okabe, Y. Ohtake, T. Honda, Y. Ueda and S. Ogihara, "Numerical simulation of damage progression and fracture in structures made of 3D woven ceramic matrix composites", Advanced Composite Materials 25, 3, (2016), 209-227 PDF file
87. J. Watanabe, F. Tanaka, H. Okuda and T. Okabe, "Tensile strength distribution of carbon fibers at short gauge length", Advanced Composite Materials, 23, 5-6, (2014), 535-550. PDF file
86. Y.Sato, T.Okabe, R.Higuchi, K.Yoshioka, "Multiscale approach to predict crack initiation in unidirectional off-axis laminates", Advanced Composite Materials, 23, 5-6, (2014), 461-475. PDF file
85. Fumihiko Tanaka, Tomonaga Okabe, Haruki Okuda Ian A. Kinloch Robert J. Young, "Factors controlling the strength of carbon fibers in tension", Composites Part A, 57 (2014) 88–94. PDF file
84. Jun Koyanagi, Yukihiro Sato, Tomonaga Okabe, Satoru Yoneyama, "Numerical simulation of strain-rate dependent transition of transverse tensile failure mode in fiber-reinforced composites", Composites Part A, 56 (2014) 136–142. PDF file
83. Tomonaga Okabea, Toshiki Sasayamaa, Jun Koyanagi, "Micromechanical Simulation of Tensile Failure of Discontinuous Fiber-Reinforced Polymer Matrix Composites using Spring Element Model", Composites Part A, 56 (2014), 64-71. PDF file
82. Tomonaga Okabe, Tomohiro Takehara, Keisuke Inose, Noriyuki Hirano, Masaaki Nishikawa, Takuya Uehara, "Curing Reaction of Epoxy Resin Composed of Mixed Base Resin and Curing Agent:Experiments and Molecular Simulation", Polymer, 54 (2013), 4660 - 4668. PDF file
81. Toshiki Sasayama, Tomonaga Okabe, Yoshiteru Aoyagi,Masaaki Nishikawa, "Prediction of Failure Properties of Injection-Molded Short Glass Fiber-reinforced Polyamide 6,6", Composites Part A, 52 (2013), 45-54. PDF file
80. Fumihiko Tanaka , Tomonaga Okabe, Haruki Okuda, Ian A. Kinloch, Robert J. Young, "The Effect of Nanostructure upon the Compressive Strength of Carbon Fibres", Journal of Materials Science, 48(2013), 2104 - 2110. PDF file
79. Fumihiko Tanaka , Tomonaga Okabe, Haruki Okuda, Masafumi Ise, Ian A. Kinloch, Tsutomu Mori, Robert J. Young, "The Effect of Nanostructure upon the Deformation Micromechanics of Carbon Fibres.", Carbon, 52 (2013), 372-378. PDF file
78. Abreeza Manap, Kazuhiro Ogawa, Tomonaga Okabe,"Numerical Analysis of Interfacial Bonding of Al-Si Particle and Mild Steel Substrate by Cold Spray Technique Using the SPH Method", Journal of Solid Mechanics and Materials Engineering, 6, 3 (2012), 241-250 PDF file
77. M. Hashimoto , T. Okabe, T. Sasayama, H. Matsutani, M. Nishikawa, "Prediction of tensile strength of discontinuous carbon fiber/polypropylene composite with fiber orientation distribution", Composites Part A, 43 (2012), 1791 - 1799. manuscript
76. Tomonaga OKABE, Hiroaki MATSUTANI, Takashi HONDA, Shigeki YASHIRO "Numerical simulation of microscopic flow in a fiber bundle using the moving particle semiimplicit method", Composites Part A, 43 (2012), 1765 - 1774. manuscript
75. S. C. Chowdhury, B. Z. (Gama) Haque, T. Okabe, J. W. Gillespie Jr, "Modeling the effect of statistical variations in length and diameter of randomly oriented CNTs on the properties of CNT reinforced nanocomposites", Composites Part B, 43 (2012), 1756 - 1762. PDF file
74. T. Okabe, T. Motani, M. Nishikawa and M. Hashimoto, "Numerical Simulation of Microscopic Damage and Strength of Fiber-Reinforced Plastic Composites", Advanced Composite Materials, 21, 2 (2012), 147-163.PDF file
73. T. Okabe, S. Yashiro, "Damage detection in holed composite laminates using an embedded FBG sensor", Composites Part A, 43 (2012), 388-397. PDF file
72. S. Yashiro, T. Okabe, "Estimation of fatigue damage in holed composite laminates using an embedded FBG sensor", Composites Part A, 42 (2011), 1962 - 1969.PDF file
71. T. Okabe, M. Nishikawa, H. Toyoshima, "A periodic unit-cell simulation of fiber arrangement dependence on the transverse tensile failure in unidirectional carbon fiber reinforced composites", International Journal of Solids and Structures, 48 (2011), 2948 - 2959.PDF file
70. I. Taketa, T. Okabe, H. Matsutani and A. Kitano, "Flowability of unidirectionally arrayed chopped strands in compression molding", Composites Part B, 42 (2011), 1764 - 1769.PDF file
69. S. Yashiro, T. Okabe, K. Matsushima, "A Numerical Approach for Injection Molding of Short-Fiber-Reinforced Plastics Using a Particle Method", Advanced Composite Materials, 20 (2011), 503-517.PDF file
68. I. Taketa, N. Sato, A. Kitano, M. Nishikawa and T. Okabe, "Enhancement of strength and uniformity in unidirectionally arrayed chopped strands with diagonal angled slits", Composites Part A, 41 (2010), 1639 - 1646.PDF file
67. Yuan Li, Ning Hu, Go Yamamoto, Zhongchang Wang, Toshiyuki Hashida, Hiroshi Asanuma, Chensong Dong, Tomonaga Okabe, Masahiro Arai, Hisao Fukunaga, "Molecular Mechanics Simulation of the Sliding Behavior between Nested Walls in a Multi-walled Carbon Nanotube", Carbon, 48 (2010), 2934 - 2940.PDF file
66. K. Ogi, T. Okabe, M. Takahashi, S. Yashiro, A. Yoshimura and T. Ogasawara, "Experimental characterization of high-speed impact damage behavior in a three-dimensionally woven SiC/SiC composite", Composites Part A, 41 (2010), 489-498.PDF file
65. M. Nishikawa and T. Okabe, "Microstructure-dependent fatigue damage process in short fiber reinforced plastics", International Journal of Solids and Structures, 47 (2010), 398-406.PDF file
64. Sanjib Chandra Chowdhury, Tomonaga Okabe and Masaaki Nishikawa, "Effects of Vacancy Defects on the Interfacial Shear Strength of Carbon Nanotube Reinforced Polymer Composite", Journal of Nanoscience and Nanotechnology, 10 (2010), 739-745.PDF file
63. T. Yamaguchi, T. Okabe and T. Kousaka, "Fatigue simulation for Ti/GFRP laminates using cohesive elements", Advanced Composite Materials, 19 (2010), 107-122.PDF file
62. I. Taketa, T. Okabe and A. Kitano, "Strength improvement in unidirectional arrayed chopped strands with interlaminar toughening", Composites Part A, 40 (2009), 1174-1178.PDF file
61. T. Yamaguchi, T. Okabe, S. Yashiro, "Fatigue simulation for Titanium/CFRP hybrid laminates using cohesive elements", Composites Science and Technology, 69 (2009), 1968-1973.PDF file
60. Tomonaga OKABE and Shigeki YASHIRO, "Numerical Simulation for Predicting Fatigue Damage Progress in Notched CFRP Laminates by Using Cohesive Elements", Journal of Solid Mechanics and Materials Engineering, 11 (2009), 1202-1211.PDF file
59. Shigeki YASHIRO, Tomonaga OKABE, "Numerical Prediction of Fatigue Damage Progress in Holed CFRP Laminates Using Cohesive Elements", Journal of Solid Mechanics and Materials Engineering, 11 (2009), 1212-1221.PDF file
58. Masaaki NISHIKAWA, Tomonaga OKABE and Nobuo TAKEDA, "Effect of the Microstructure on the Fracture Mode of Short-FiberReinforced Plastic Composites", Journal of Solid Mechanics and Materials Engineering, 3, 8 (2009), 998-1009.PDF file
57. M. Nishikawa, T. Okabe and T. Honda, "Effect of cross-links on the pullout of carbon nanotubes from amorphous polymer", JOURNAL OF MATERIALS SCIENCE, 44 (2009), 339-341.PDF file
56. T. Okabe, M. Nishikawa and N. Takeda, "Micromechanics on the Rate-Dependent Fracture of Discontinuous Fiber-Reinforced Plastics", International Journal of Damage Mechanics, 19 (2010), 339-360.PDF file
55. T. Okabe, K. Ishi, M. Nishikawa, N. Takeda, "Prediction of Tensile Strength of Unidirectional CFRP Composites", Advanced Composite Materials, 19 (2010), 229-241. PDF file
54. T. Okabe, M. Nishikawa, "GLS strength prediction of glass-fiber-reinforced polypropylene", JOURNAL OF MATERIALS SCIENCE, 44 (2009), 331-334.PDF file
53. M. Nishikawa, T. Okabe and N. Takeda, "Periodic-cell simulations for the microscopic damage and strength properties of discontinuous carbon fiber-reinforced plastic composites", Advanced Composite Materials, 18 (2009), 77-93.PDF file
52. I. Taketa, T. Okabe, A. Kitano, "A new compression-molding approach using unidirectionally arrayed chopped strands", Composites Part A, 39 (2008), 1884-1890.PDF file
51. A. Yoshimura, T. Okabe, "Damage Growth Analysis in Particle-Reinforced Composite Using Cohesive Element", Advanced Composite Materials, 20 (2011), 569-583.PDF file
50. T. Okabe, M. Nishikawa, W. A. Curtin, "Estimation of statistical strength distribution of Carborundum polycrystalline SiC fiber using the single fiber composite with consideration of the matrix hardening", Composite Science and Technology, 68 (2008), 3067 - 3072. PDF file
49. M. Nishikawa, T. Okabe, N. Takeda, W. A. Curtin, "Micromechanics of the fragmentation process in single-fiber composites", Modeling and Simulation in Materials Science and Engineering, 16, 5 (2008), 055009. PDF file
48. N. Hu, Y. Zemba, T. Okabe, C. Yan, H. Fukunaga, A. M. Elmarakbi, "A new cohesive model for simulating delamination propagation in composite laminates under transverse loads", Mechanics of Materials, 40 (2008), 920-935. PDF file
47. T. Okabe, M. Nishikawa, N. Takeda, "Numerical modeling of progressive damage in fiber-reinforced plastic cross-ply laminates", Composites Science and Technology, 68, 10-11 (2008), 2282 - 2289. PDF file
46. M. Nishikawa, T. Okabe, K. Hemmi, N. Takeda, "Micromechanical modeling of the microbond test to quantify the interfacial properties in fiber-reinforced composites", International Journal of Solids and Structures, 45, 14-15 (2008), 4098 - 4113. PDF file
45. M. Nishikawa, T. Okabe, N. Takeda, "Determination of interface properties from experiments on the fragmentation process in single-fiber composites", Materials Science and Engineering A, 480, 1-2 (2008), 549-557. PDF file
44. Shigeki Yashiro, Junji Takatsubo, Nobuyuki Toyama, Tomonaga Okabe, Nobuo Takeda, "Nondestructive evaluation of holed CFRP laminates by a new technique to visualize propagation of ultrasonic waves", Journal of Solid Mechanics and Materials Engineering, 2, 3 (2008), 333-341. PDF file
43. N. Hu, K. Nunoya, D. Pan, T. Okabe, H. Fukunaga, "Numerical of buckling characteristic of carbon nanotubes", International Journal of Solids and Structures, 44 (2007), 6535 - 6550. PDF file
42. Masaaki Nishikawa, Tomonaga Okabe, Nobuo Takeda, "Numerical simulation of interlaminar damage propagation in CFRP cross-ply laminates under transverse loading", International Journal of Solids and Structures, 3101-3113. (19th hottest article in Science direct in January-March 2007 ) PDF file
41. S. C. Chowdhury, T. Okabe, "Computer simulation of carbon nanotube pull-out from polymer by the molecular dynamics method", Composites: Part A, 38 (2007), 747-754. (11th hottest article in Science direct in January-March 2007 ) PDF file
40. S. Yashiro, T. Okabe, N. Takeda, "Damage identification in a holed CFRP laminate using a chirped fiber Bragg grating sensor", Composites Science and Technology, 67 (2007), 286-295. PDF file
39. S. Yashiro, T. Okabe, N. Toyama, N. Takeda, "Monitoring damage in holed CFRP laminates using embedded chirped FBG sensors", International Journal of Solids and Structures, 44 (2007), 603-613. PDF file
38. Shigeki Yashiro, Kazue Murai, Tomonaga Okabe, Nobuo Takeda, "Numerical study for identifying damage in open-hole composites with embedded FBG sensors and its application to experiment results", Advanced Composite Materials, 16, 2 (2007), 115-134. PDF file
37. Akinori Yoshimura, Shigeki Yashiro, Tomonaga Okabe, Nobuo Takeda, "Characterization of Tensile Damage Progress in Stitched CFRP Laminates", Advanced Composite Materials, 16, 3 (2007), 223-244. PDF file
36. Sayaka OKABE , Nobutada OHNO and Tomonaga OKABE, "Influence of Matrix Plasticity on Local Stress Concentrations Near Loaded Fiber Breaks", Journal of Solid Mechanics and Materials Engineering, 1, 1 (2007), 102-113. PDF file
35. JUNJI NODA, TOMONAGA OKABE, NOBUO TAKEDA and MASAO SHIMIZU, "Tensile strength of CFRP cross-ply laminates containing transverse cracks", Advanced Composite Materials, 15 (2006), 81-93. PDF file
34. KOICHI GODA, TOMONAGA OKABE and NOBUO TAKEDA, "A strength reliability model of uniderectional fiber-reinforced ceramic matrix composites by Markov process", Advanced Composite Materials, 15, 3 (2006), 263-285. PDF file
33. Hideki Sekine, Shin-Etsu Fujimoto, Tomonaga Okabe, Nobuo Takeda and Toshimitsu Yokobori, Jr., "Structual Health Monitoring of Cracked Aircraft Panels Repaired with Bonded Patches Using Fiber Bragg Grating Sensors", Applied Composite Materials, 13 (2006), 87-98. PDF file
32. Tomonaga Okabe, Masaaki Nishikawa, Nobuo Takeda, Hideki Sekine, "Effect of matrix hardening on the tensile strength of alumina fiber-reinforced aluminum matrix composites", Acta Materialia, 54 (2006), 2557 - 2566. PDF file
31. N. Takeda, S. Yashiro, T. Okabe, "Estimation of the damage patterns in notched laminates with embedded FBG sensors", Composites Science and Technology, 66 (2006), 684-693. PDF file
30. JUNJI NODA, TOMONAGA OKABE, NOBUO TAKEDA and MASAO SHIMIZU, "Tensile strength of CFRP cross-ply laminates containing transverse cracks", Advanced Composite Materials, 15 (2006), 81-93. PDF file
29. N. Toyama, S. Yashiro, J. Takatsubo, T. Okabe, "Stiffness evaluation and damage identification in composite beam under tension using Lamb waves", Acta Materialia, 53 (2005), 4389 - 4397. PDF file
28. T. Okabe, H. Sekine, K. Ishii, M. Nishikawa, N. Takeda, "Numerical method for failure simulation of unidirectional fiber-reinforced composites with spring element model", Composites Science and Technology, 65 (2005), 921-933. PDF file
27. S. Yashiro, N. Takeda, T. Okabe, H. Sekine, "A new approach to predicting multiple damage states in composite laminates with embedded FBG sensors", Composites Science and Technology, 65 (2005), 659-667. PDF file
26. S. Okabe, N. Ohno and T. Okabe, "Analytical Solutions for Stress Concentrations near a Fiber Break in Unidirectional Elastoplastic Composites", Key Engineering Materials, 274-276 (2004), 1005 - 1010. PDF file
25. N. TOYAMA and T. OKABE, "Effects of tensile strain and transverse cracks on Lamb-wave velocity in cross-ply FRP laminates", JOURNAL OF MATERIALS SCIENCE, 39 (2004), 7365 - 7367. PDF file
24. T. Okabe, H. Sekine, J. Noda, M. Nishikawa and N. Takeda, "Characterization of tensile damage and strength in GFRP cross-ply laminates", Materials Science and Engineering A, 383 (2004), 381-389. PDF file
23. N. Ohno, S. Okabe and T. Okabe, "Stress concentrations near a fiber break in unidirectional composites with interfacial slip and matrix yielding", International Journal of Solids and Structures, 41 (2004), 4263 - 4277. PDF file
22. Tomonaga OKABE and Kei URABE, "MONITORING OF FILLER DISTRIBUTION IN RESIN WITH AN ELECTROMAGNETIC WAVE TRANSMISSION LINE", Advanced Composites Letters, 12, 2 (2003), 63-68. PDF file
21. N. Toyama, J. Noda and T. Okabe, "Quantitative damage detection in cross-ply laminates using Lamb wave method", Composites Science and Technology, 63 (2003), 1473 - 1479. PDF file
20. Z. Xia, T. Okabe, J. B. Park, W. A. Curtin, N. Takeda, "Quantitative damage detection in CFRP composites: coupled mechanical and electrical models", Composites Science and Technology, 63 (2003), 1411 - 1422. PDF file
19. N. TOYAMA, T. OKABE and N. TAKEDA, "Lamb wave evaluation and localization of transverse cracks in cross-ply laminates", JOURNAL OF MATERIALS SCIENCE, 38 (2003), 1765 - 1771. PDF file
18. Jae Beom Park, Tomonaga Okabe and Nobuo Takeda, "New concept for modeling the electromechanical behavior of unidirectional carbon-fiber-reinforced plastic under tensile loading", Smart Materials and Structures, 12 (2003), 105-114. PDF file
17. T. Okabe, N. Takeda, "Elastoplastic shear-lag analysis of single-fiber composites and strength prediction of unidirectional multi-fiber composites", Composites: Part A, 33 (2002), 1327 - 1335. PDF file
16. T. Okabe and N. Takeda, "Size effect on tensile strength of unidirectional CFRP composites-experiment and simulation", Composites Science and Technology, 62 (2002), 2053 - 2064. PDF file
15. Z. Xia, W. A. Curtin and T. Okabe, "Green's function vs. shear-lag models of damage and failure in fiber composites", Composites Science and Technology, 62 (2002), 1279 - 1288. PDF file
14. Z. Xia, T. Okabe, W. A. Curtin, "Shear-lag versus finite element models for stress transfer in fiber-reinforced composites", Composites Science and Technology, 62 (2002), 1141 - 1149. PDF file
13. Kei Urabe, Tomonaga Okabe, Hiroshi Tsuda, "Monitoring of resin flow and cure with an electromagnetic wave transmission line using", Composites Science and Technology, 62 (2002), 791-797. PDF file
12. NOBUYUKI TOYAMA, TOMONAGA OKABE, NOBUO TAKEDA, TERUO KISHI, "Effect of transverse cracks on lamb wave velocity in CFRP cross-ply laminates", JOURNAL OF MATERIALS SCIENCE LETTER, 21 (2002), 271-273. PDF file
11. J. B. Park, T. Okabe, N. Takeda and W. A. Curtin, "Electromechanical modeling of unidirectional CFRP composites under tensile loading condition", Composites: Part A, 33 (2002), 267-275. PDF file
10. FANG MING ZHAO, TOMONAGA OKABE and NOBUO TAKEDA, "Effect of matrix yield properties on fragmentation behavior of single fiber composites", Composite Interfaces, 9, 3 (2002), 289-308. PDF file
9. Kazunori Misawa, Tomonaga Okabe, Masaaki Yanaka, Masao Shimizu, Nobuo Takeda, "A Theory for Multi Damage Evaluation of TiN Thin Film", Materials Research Society Symposium Proceedings, 653 (2001), Z7.10.1-6.
8. Tomonaga Okabe and Nobuo Takeda, "Estimation of strength distribution for a fiber embedded in a single-fiber composite: experiments and statistical simulation based on the elasto-plastic shear-lag approach", Composites Science and Technology, 61 (2001), 1789 - 1800. PDF file
7. T. Okabe, N. Takeda, Y. Kamoshida, M. Shimizu and W. A. Curtin, "A 3D shear-lag model considering micro-damage and statistical strength prediction of unidirectional fiber-reinforced composites", Composites Science and Technology, 61 (2001), 1773 - 1787. PDF file
6. M. Yanaka, Y. Tsukahara, T. Okabe and N. Takeda, "Statistical Analysis of Multiple Cracking Phenomenon of a SiOx Thin Film on a Polymer Substrate", JOURNAL OF APPLIED PHYSICS, 90, 2 (2001), 713-719. PDF file
5. TOSHIMICHI OGISU, NORIO ANDO, JUNJI TAKAKI, TOMONAGA OKABE AND NOBUO TAKEDA, "Improved Surface Treatment of SMA Foils and Damage Suppression of SMA-Foil Embedded CFRP Laminates", JOURNAL OF INTELLIGENT MATERIAL SYSTEMS AND STRUCTURES, 12 (2001), 265-270. PDF file
4. Fang Ming Zhao, Tomonaga Okabe and Nobuo Takeda, "The estimation of statistical fiber strength by fragmentation tests of single-fiber compositess", Composites Science and Technology, 60 (2000), 1965 - 1974. PDF file
3. T. OKABE, N. TAKEDA, J. KOMOTORI, M. SHIMIZU and W.A.CURTIN, "A NEW FRACTURE MECHANICS MODEL FOR MULTIPLE MATRIX CRACKS OF SiC FIBER REINFORCED BRITTLE-MATRIX COMPOSITES", Acta Materialia, 47, 17 (1999), 4299 - 4309. PDF file
2. T. Okabe, N.Takeda, J. Komotori, M. Shimizu, K. Imai and Y. Imai, "Tensile matrix cracking behavior of Hi-Nicalon fiber/glass matrix cross-ply laminate composites", Key Engineering Materials, 164-165 (1999), 221-224. PDF file
1. T. Okabe, J. Komotori, M. Shimizu and N. Takeda, "Mechanical behavior of SiC fiber reinforced brittle-matrix composites", Journal of Materials Science, 34 (1999), 3405 - 3412.PDF file