Zobrazeno 1 - 10
of 76
pro vyhledávání: '"Keiichi Shirasu"'
Autor:
Tomohiro Miyata, Yohei K. Sato, Yoshiaki Kawagoe, Keiichi Shirasu, Hsiao-Fang Wang, Akemi Kumagai, Sora Kinoshita, Masashi Mizukami, Kaname Yoshida, Hsin-Hui Huang, Tomonaga Okabe, Katsumi Hagita, Teruyasu Mizoguchi, Hiroshi Jinnai
Publikováno v:
Nature Communications, Vol 15, Iss 1, Pp 1-12 (2024)
Abstract The mechanisms underlying the influence of the surface chemistry of inorganic materials on polymer structures and fracture behaviours near adhesive interfaces are not fully understood. This study demonstrates the first clear and direct evide
Externí odkaz:
https://doaj.org/article/9b5612f6359748e79e0e9b57c0c6ba97
Autor:
Masaru OGAWA, Tetsuya MATSUDA, Keita GOTO, Nobuyuki SHISHIDO, Keiichi SHIRASU, Osamu TAKAKUWA, Akihiro TAKEZAWA, Naoki MATSUDA
Publikováno v:
Mechanical Engineering Journal, Vol 11, Iss 4, Pp 24preface2-24preface2 (2024)
Externí odkaz:
https://doaj.org/article/c97739ac7778433e88b12058c0b5aca0
Publikováno v:
SN Applied Sciences, Vol 4, Iss 11, Pp 1-13 (2022)
Article highlights Indentation-derived elastic modulus of highly anisotropic fiber is numerically evaluated. The numerical error in the modulus increases with anisotropy index. Acceptable resolution that returns accurate modulus are proposed.
Externí odkaz:
https://doaj.org/article/a9777d2bd8f34dbbb87163825832b40a
Autor:
Yuchi Fan, Erhong Song, Tufail Mustafa, Ruicong Liu, Pengpeng Qiu, Weiwei Zhou, Zhenxing Zhou, Akira Kawasaki, Keiichi Shirasu, Toshiyuki Hashida, Jianjun Liu, Lianjun Wang, Wan Jiang, Wei Luo
Publikováno v:
Advanced Science, Vol 7, Iss 21, Pp n/a-n/a (2020)
Abstract Despite the ultrahigh intrinsic strength of multiwalled carbon nanotube (MWCNT), the strengthening effect on ceramic matrix composite remains far from expectation mainly due to the weak load transfer between the reinforcement and ceramic mat
Externí odkaz:
https://doaj.org/article/2dbbe332f4c24d34ac888dfaf4330c62
Publikováno v:
Mechanical Engineering Journal, Vol 7, Iss 4, Pp 19-00599-19-00599 (2020)
With the expansion of use of carbon fiber reinforced plastics (CFRPs), it becomes important to obtain precise knowledge of elastic properties carbon fibers in radial direction as well as axial direction. Although the elastic property in radial direct
Externí odkaz:
https://doaj.org/article/8d16400c91b441a99ef800a88a5317bf
Publikováno v:
Mechanical Engineering Journal, Vol 6, Iss 3, Pp 19-00012-19-00012 (2019)
Aligned MWCNT/epoxy composites made with the three types of the multi-walled carbon nanotubes (MWCNTs) with different thermal annealing temperature have been prepared, and the tensile tests and thermal expansion tests of the composites in the MWCNT a
Externí odkaz:
https://doaj.org/article/dee08f5d2c11421c976ed352da80a5b9
Publikováno v:
Nanomaterials, Vol 11, Iss 3, p 795 (2021)
To apply carbon nanotubes (CNTs) as reinforcing agents in next-generation composites, it is essential to improve their nominal strength. However, since it is difficult to completely remove the defects, the synthesis guideline for improving nominal st
Externí odkaz:
https://doaj.org/article/53cc83fb1f434a468dcfd40e901a0843
Publikováno v:
Nanomaterials, Vol 10, Iss 12, p 2459 (2020)
Carbon nanotubes (CNTs) are novel materials with extraordinary mechanical properties. To gain insight on the design of high-mechanical-performance CNT-reinforced composites, the optimal structure of CNTs with high nominal tensile strength was determi
Externí odkaz:
https://doaj.org/article/ee8fecf34a2f46a1af98573d5b536701
Autor:
Taesung KIM, Anri HAYASHI, Hidefumi NIKAWA, Keiichi SHIRASU, Go YAMAMOTO, Toshiyuki HASHIDA, Atsushi HOSOI, Hiroyuki KAWADA
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 84, Iss 860, Pp 17-00585-17-00585 (2018)
Carbon nanotube yarn, which is an aggregation of Carbon nanotubes (CNTs), enables CNTs to be used on macro scale. However, tensile strength of the CNT yarn is much lower than CNT itself, and improvement of the mechanical properties is a challenge for
Externí odkaz:
https://doaj.org/article/21e199f289c94c6bb3099c888077db40
Autor:
Keiichi SHIRASU, Itaru TAMAKI, Takamichi MIYAZAKI, Go YAMAMOTO, Raman BEKAREVICH, Kaori HIRAHARA, Yoshinobu SHIMAMURA, Yoku INOUE, Toshiyuki HASHIDA
Publikováno v:
Mechanical Engineering Journal, Vol 4, Iss 5, Pp 17-00029-17-00029 (2017)
In this study, the nominal tensile strength, Young's modulus and Weibull scale and shape parameter of the nominal tensile strength distribution of the MWCNTs synthesized by a thermal chemical vapor deposition (CVD) method were investigated by conduct
Externí odkaz:
https://doaj.org/article/569b3f87453c4bf1b96a25aa19aade9f