Zobrazeno 1 - 10
of 309
pro vyhledávání: '"Hiroyuki Kawada"'
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-14 (2024)
Abstract The damage process of composite materials, such as short fiber-reinforced plastics (SFRP), is complex. Therefore, it is necessary to accurately represent the damage process in fatigue life prediction. Herein, fatigue life prediction was cond
Externí odkaz:
https://doaj.org/article/bfeed30e5eca46b0a82a061accc0e979
Autor:
Masafumi TAZUKE, Tsuyoshi MIYAKOSHI, Atsushi HOSOI, Koji MICHISHIO, Nagayasu OSHIMA, Hiroyuki KAWADA
Publikováno v:
Mechanical Engineering Journal, Vol 10, Iss 4, Pp 23-00089-23-00089 (2023)
The objective of this study was to experimentally evaluate the fatigue limit of 90° unidirectional carbon fiber reinforced plastic (CFRP) laminates. The very high-cycle fatigue properties of the specimens were evaluated using ultrasonic and electrom
Externí odkaz:
https://doaj.org/article/c655e2fb4430423a9d7cfa186352a22e
Publikováno v:
Mechanical Engineering Journal, Vol 10, Iss 3, Pp 23-00027-23-00027 (2023)
The effect of electropulsing on the extrusion due to persistent slip bands (PSBs) and the defects in PSBs was investigated. To extend the service life and improve structural safety, technology is needed to repair fatigue damage such as cracks and dis
Externí odkaz:
https://doaj.org/article/fed8b500f1f040a9b0eb221eab5fd648
Autor:
Kohei SOEDA, Hinako OZAKI, Yuki KUBOTA, Michimasa UDA, Akiko KOSHIZAKA, Atsushi HOSOI, Hiroyuki KAWADA
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 87, Iss 900, Pp 21-00087-21-00087 (2021)
SiC fiber reinforced SiC matrix composites (SiC/SiC composites) are a kind of ceramic matrix composites (CMC) and have attracted attention as a new material for aerospace engines because of their high strength, high temperature resistance, and oxidat
Externí odkaz:
https://doaj.org/article/1a2ab29254ef41f8a453b7d4b0327f88
Publikováno v:
Journal of Advanced Mechanical Design, Systems, and Manufacturing, Vol 15, Iss 4, Pp JAMDSM0051-JAMDSM0051 (2021)
In recent years, for the aim of weight reduction of transportation equipment, carbon fiber reinforced thermoplastics (CFRTPs), which have high recyclability and formability, are becoming suitable for mass production. Additionally, with the developmen
Externí odkaz:
https://doaj.org/article/d248c6e6bb564685ba574b844a4382c6
Autor:
Kristine M. Jespersen, Jens A. Glud, Jens Zangenberg, Atsushi Hosoi, Hiroyuki Kawada, Lars P. Mikkelsen
Publikováno v:
Data in Brief, Vol 21, Iss , Pp 228-233 (2018)
The data published with this paper is obtained during fatigue testing of a unidirectional non-crimp fabric based glass fibre composite by means of ex-situ X-ray CT and in-situ transilluminated white light imaging experiments. The data experimentally
Externí odkaz:
https://doaj.org/article/a8779642ed174f3f9fb935d1dec7b4c8
Autor:
Dai TSUNODA, Masahiro KOHARA, Keita NODA, Atsushi HOSOI, Naoki SUGIURA, Takahiro HAYASHI, Hiroyuki KAWADA
Publikováno v:
Mechanical Engineering Journal, Vol 7, Iss 5, Pp 20-00128-20-00128 (2020)
Carbon fiber (CF) reinforced polyether ether ketone (PEEK) laminates are applied to the members of transportation structures exposed to severe conditions, because carbon fibers and PEEK have excellent heat-resistant and chemical stability. Therefore,
Externí odkaz:
https://doaj.org/article/9fa4a48f9a714a2c908710d622ce0795
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 85, Iss 874, Pp 19-00029-19-00029 (2019)
Carbon nanotubes (CNT) have remarkable mechanical properties and low density. Since length of the CNT is limited, CNT yarn is regarded as a reinforced fiber of carbon fiber reinforced plastics. However, the CNT yarn does not have remarkable mechanica
Externí odkaz:
https://doaj.org/article/8a31808969334c77a2a6ec94484ac44d
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 85, Iss 872, Pp 18-00408-18-00408 (2019)
Carbon nanotube (CNT) yarn is enables CNTs to be used on macro scale. However, the mechanical properties of CNT yarns are smaller than CNT itself, and improvement of the mechanical properties is a challenge for practical application. In this study, u
Externí odkaz:
https://doaj.org/article/ec801d42bf7f4035aaf0de4911b49b12
Autor:
Tatsuya KIMURA, Hinako OZAKI, Michimasa UDA, Yoshio HASEGAWA, Akiko KOSHIZAKA, Atsushi HOSOI, Hiroyuki KAWADA
Publikováno v:
Mechanical Engineering Journal, Vol 6, Iss 3, Pp 18-00543-18-00543 (2019)
Research and development of SiC/SiC composite materials as structural members of aerospace engines is progressing. In order to manufacture SiC/SiC composites with excellent high-temperature characteristics, the SiC fibers which have high mechanical p
Externí odkaz:
https://doaj.org/article/4541fda8687742b18eeedac34526e0b6