Faculty Profiles - YOSHIMURA Akinori

Papers - YOSHIMURA Akinori

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High-speed observation of bending fracture process of carbon fiber reinforced plastic composite/NomexTM honeycomb sandwich panel Reviewed

T. Ogasawara, H. Yoshinaga, M. Oiwa, T. Oguri, T. Matsuda, H. Kusano, A. Yoshimura

Journal of Sandwich Structures and Materials Vol. 23 ( 6 ) page： 1987 - 1999 2020.2

Experimental and analytical validation of mode II fracture toughness tests for a type of double-lap joint Reviewed

S. Oshima, A. Yoshimura, S. Yashiro, Y. Hirano, T. Ogasawara

Composite Structures Vol. 234 page： 111757 2020.2

In-situ observation of microscopic damage in adhesively bonded CFRP joints under mode I and mode II loading Reviewed

S. Oshima, A. Yoshimura, Y. Hirano, T. Ogasawara, Kwek-Tze Tan

Composite Structures Vol. 227 2019.8

Simulation on kink-band formation during axial compression of a unidirectional carbon fiber-reinforced plastic constructed by X-ray computed tomography images

T. Takahashi, M. Ueda, K. Iizuka, A. Yoshimura, T. Yokozeki

Advanced Composite Materials Vol. 28 ( 4 ) page： 347-363 2019.7

Simulation on Kink-band Formation during Axial Compression of a Unidirectional Carbon Fiber Reinforced Plastic Constructed by X-ray Computed Tomography Images Reviewed

Vol. 45 ( 2 ) page： 52-60 2019.3

Development of a three-dimensional finite element model for a unidirectional carbon fiber reinforced plastic based on X-ray computed tomography images and the numerical simulation on compression Reviewed

K. Iizuka, M. Ueda, T. Takahashi, A. Yoshimura, M. Nakayama

Advanced Composite Materials Vol. 28 ( 1 ) page： 73-85 - 85 2019.1

A Numerical simulation of delamination caused by internal gas pressure for mid-density CFRP Reviewed

J. Koyanagi, K. Shinba, Y. Fukuda, K. Hirai, A. Nakazato, A. Yoshimura, T. Aoki and Y. Kogo

Composites Part A: Applied Science and Manufacturing Vol. 115 page： 255-263 2018.12

High fidelity simulation of low velocity impact behavior of CFRP laminate Reviewed

Ebina Masaya, Yoshimura Akinori, Sakaue Kenichi, Waas Anthony M.

COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING Vol. 113 page： 166-179 2018.10

Experimental method for mode I fracture toughness of composite laminates using wedge loaded double cantilever beam specimens Reviewed

S. Oshima, A. Yoshimura, Y. Hirano, T. Ogasawara

Composites Part A: Applied Science and Manufacturing Vol. 112 page： 119-125 2018.9

A new approach for evaluating crack growth resistance curve of mode II delamination by doubly end-notched tension tests Reviewed

S. Yashiro, T. Agata, A. Yoshimura

Advanced Composite Materials Vol. 27 ( 2 ) page： 119-133 2018.3

New Test Method for Mode II Interlaminar Fracture Toughness of Composite Laminates: Doubly End Notched Tension Method Reviewed

S. Yashiro, T. Agata, A. Yoshimura

Journal of the Japan Society for Composite Materials Vol. 44 ( 1 ) page： 19-24 2018.1

Progressive failure under high-velocity impact on composite laminates: Experiment and phenomenological mesomodeling Reviewed

R. Higuchi, T. Okabe, A. Yoshimura, T.E. Tay

Engineering Fracture Mechanics Vol. 178 page： 346-361 2017.6

Fracture toughness of CFRP adhesive bonded joint under cryogenic temperature Reviewed

A. Yoshimura

Zairyo/Journal of the Society of Materials Science, Japan Vol. 66 ( 4 ) page： 282-287 2017.4

Local out-of-plane deformation of CFRP ablator subjected to rapid heating Reviewed

J. Koyanagi, Y. Fukuda, S. Yoneyama, K. Hirai, A. Yoshimura, T. Aoki, T. Ogasawara

Advanced Composite Materials Vol. 26 ( 1 ) page： 23-34 2017.1

Development of a Three-dimensional Finite Element Model for a Unidirectional Carbon Fiber Reinforced Plastic Based on X-ray Computed Tomography Images and the Numerical Simulation on Compression Reviewed

IIZUKA Keisuke, UEDA Masahito, TAKAHASHI Takuya, YOSHIMURA Akinori, NAKAYAMA Masahiro

Journal of the Japan Society for Composite Materials Vol. 43 ( 6 ) page： 219-225 2017

Language：Japanese Publishing type：Research paper (scientific journal)

<p>A unidirectional carbon fiber reinforced plastic (CFRP) was scanned by an X-ray computed tomography (CT) system. Based on the X-ray CT images, a three-dimensional model with random fiber waviness was developed. Each fiber location was identified in a sectional CT image. Subsequently, the relative displacement of fibers between adjacent sectional CT images was obtained with a digital image correlation method. This procedure was repeated to obtain fiber waviness along the axial direction. The constructed three-dimensional fiber model showed random waviness of each fiber in the unidirectional CFRP. Finite element analysis was performed using the three-dimensional model. Simulation results showed bending and twisting deformations coupled with axial contractions during axial compression, which developed due to fiber waviness. A reduction of the axial Young's modulus due to fiber random waviness was quantitatively evaluated.</p>

DOI： 10.6089/jscm.43.219

Flight demonstration of Electric Aircraft Technology for Harmonized Ecological Revolution (FEATHER)

NISHIZAWA Akira, OKAI Keiichi, KOBAYASHI Hiroshi, IIJIMA Tomoko, YAMAZAKI Kohji, OKUYAMA Masahiro, TAGASHIRA Takeshi, HIRANO Yoshiyasu, YOSHIMURA Akinori, SHINDO Shigemi

Aeronautical and Space Sciences Japan Vol. 65 ( 7 ) page： 8-12 2017

Application of Additive Manufacturing Technology for Micro-Lattice Structure Reviewed

Vol. 6 ( 3 ) page： 125-129 2017

先進複合材料の研究開発におけるX線CTの適用とその可能性 Reviewed

吉村　彰記

非破壊検査 Vol. 66 ( 7 ) page： 289-294 2017

Multiscale homogenization for nearly periodic structures Reviewed

A. Yoshimura, A. M. Waas

Composite Structures Vol. 153 page： 345-355 2016.10

Structural optimization for CFRP cryogenic tank based on energy release rate Reviewed

H. Fukui, A. Yoshimura, R. Matsuzaki

Composite Structures Vol. 152 page： 883-890 2016.9

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Papers - YOSHIMURA Akinori