Zobrazeno 1 - 10
of 143
pro vyhledávání: '"Masahiko Demura"'
Autor:
Ryo Tamura, Kenji Nagata, Keitaro Sodeyama, Kensaku Nakamura, Toshiki Tokuhira, Satoshi Shibata, Kazuki Hammura, Hiroki Sugisawa, Masaya Kawamura, Teruki Tsurimoto, Masanobu Naito, Masahiko Demura, Takashi Nakanishi
Publikováno v:
Science and Technology of Advanced Materials (2024)
Predicting the mechanical properties of polymer materials using machine learning is essential for the design of next-generation of polymers. However, the strong relationship between the higher-order structure of polymers and their mechanical properti
Externí odkaz:
https://doaj.org/article/830a42b633184e20875077cae6e2e308
Autor:
Daisuke Kimura, Masahiko Demura, Kenji Nagata, Toshihira Irisawa, Yoshiki Sugimoto, Wataru Takarada, Masatoshi Shioya
Publikováno v:
Carbon Trends, Vol 15, Iss , Pp 100346- (2024)
The analysis method proposed by Ruland et al. is widely used to analyze the void lengths in carbon fibers, but it could not apply to mesophase pitch-based carbon fibers. We thought that the reason for the inability to analyze pitch-based carbon fiber
Externí odkaz:
https://doaj.org/article/4656fd18e7b6418fa87171d1e58ef796
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-15 (2023)
Abstract Additive manufacturing of as-build metal materials with laser powder bed fusion typically leads to the formations of various chemical phases and their corresponding microstructure types. Such microstructures have very complex shape and size
Externí odkaz:
https://doaj.org/article/cfe59be6e40c4f23a329764b5b3a9fac
Autor:
Vickey Nandal, Sae Dieb, Dmitry S. Bulgarevich, Toshio Osada, Toshiyuki Koyama, Satoshi Minamoto, Masahiko Demura
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-13 (2023)
Abstract In this paper, a state-of-the-art Artificial Intelligence (AI) technique is used for a precipitation hardening of Ni-based alloy to predict more flexible non-isothermal aging (NIA) and to examine the possible routes for the enhancement in st
Externí odkaz:
https://doaj.org/article/d00fbb4ec9374ad88ae87ec4445bf984
Publikováno v:
Science and Technology of Advanced Materials: Methods, Vol 3, Iss 1 (2023)
ABSTRACTThe determination of chemical compositions of materials plays a paramount role in materials design and discovery. Optimization of such compositions can be a very expensive trial-and-error task, specially when the desired properties are very s
Externí odkaz:
https://doaj.org/article/db80d73e9859407f9e9696a23e401b9f
Autor:
Kenji Yamaguchi, Takuya Ishigaki, Yuki Inoue, Shuhei Arisawa, Hirotaka Matsunoshita, Yuki Ito, Hiroyuki Mori, Ken’ichiro Suehiro, Kazunari Maki, Kenji Nagata, Masahiko Demura
Publikováno v:
Science and Technology of Advanced Materials: Methods, Vol 3, Iss 1 (2023)
Significantly improving the balance between the mechanical strength and electrical conductivity of solid-solution copper alloys is considered difficult. In this study, a comprehensive elemental screening framework is proposed to predict the solid-sol
Externí odkaz:
https://doaj.org/article/6071087b360649e88e9f14bc2af714d4
Publikováno v:
Science and Technology of Advanced Materials: Methods, Vol 3, Iss 1 (2023)
In materials design, it is very difficult to accurately design forward problems owing to the variety of scales and phenomena to be considered and the increasing number of input and output variables. In addition, it is necessary to reduce the number o
Externí odkaz:
https://doaj.org/article/7df8d12e1b91491da7d00a9000a457be
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-13 (2023)
Abstract In materials science, the amount of observational data is often limited by operating protocols that require a high level of expertise, often machine-dependent, developed for a time-consuming integration of valuable data. Scanning electron mi
Externí odkaz:
https://doaj.org/article/3bcc617eb4324b13bcae6da3a4645e2b
Publikováno v:
Science and Technology of Advanced Materials: Methods, Vol 2, Iss 1, Pp 402-415 (2022)
The continuous cooling transformation (CCT) diagram of steels is very important in considering the phase transformation depending on the cooling rate of a material; however, it is difficult to obtain the diagram for each steel because of much experim
Externí odkaz:
https://doaj.org/article/58cf3c990dda4ea996f2bf5d096a1f8b
Autor:
Elango Chandiran, Rintaro Ueji, Yukiko Ogawa, Kenta Nagata, Hidetoshi Somekawa, Masahiko Demura
Publikováno v:
Journal of Materials Research and Technology, Vol 19, Iss , Pp 2179-2190 (2022)
A new concept for the alloy design of advanced structural steels was figured out with the experimental elaboration of deformation behaviour in two novel medium carbon bainitic steels proposed sparse mixed regression model. Fe-0.53C-1.55Si-0.48Mn-0.59
Externí odkaz:
https://doaj.org/article/a8572dae6e9c47a3803a2f641d97731c