Zobrazeno 1 - 10
of 49
pro vyhledávání: '"Koichi Makii"'
Publikováno v:
International Journal of Modern Physics B. 22:1068-1073
In order to evaluate dynamic deformation behaviors under high strain rates, Kobe Steel has developed and applied a Split-Hopkinson Bar (SHB) apparatus. This paper discusses the validity of the strain measurements and strain rates measured by this SHB
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::48fd1f66178dad3bd1445c48c7c2a90d
https://doi.org/10.1142/s0217979208046335
https://doi.org/10.1142/s0217979208046335
Autor:
Atsushi Mio, Masahiro Kawajiri, Akihiko Nagasaka, Tomohiko Hojo, Koichi Makii, Yuichi Kubota, Koh-ichi Sugimoto, Mitsunari Kitayama
Publikováno v:
Tetsu-to-Hagane. 94:351-356
Effect of YAG laser cutting on stretch-flangeability of 0.2C–1.5Si–1.5Mn (mass%) ultra high-strength TRIP-aided sheet steel with bainitic ferrite matrix (TBF steel) having different martensite start temperatures, which were austempered at 375 or
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e99b084119b99a93d71e84c0aa7661d7
https://doi.org/10.2355/tetsutohagane.94.351
https://doi.org/10.2355/tetsutohagane.94.351
Autor:
Kentaro Uesugi, Hiroyuki Toda, Toshiro Kobayashi, Yasuhiro Aruga, Koichi Makii, Yume Suzuki, Y. Takami, Toshiaki Takagi, Tomomi Ohgaki
Publikováno v:
Materials Science Forum. :1677-1680
Three-dimensional zinc mapping based on X-ray K-edge scanning has been performed. By microtomographies with energies above and below the K-absorption edges of the elements, the concentration distribution of the elements is evaluated during in-situ ex
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a190393523ce4597622658c71d052306
https://doi.org/10.4028/www.scientific.net/msf.561-565.1677
https://doi.org/10.4028/www.scientific.net/msf.561-565.1677
Autor:
Aoki Kazuo, Kenji Higashi, Koichi Makii, Atsumichi Kushibe, Yorinobu Takigawa, Toshiaki Takagi
Publikováno v:
Materials Science Forum. :583-590
As a new damping material, the authors first developed a Zn-22wt.%-Al eutectoid alloy with ultra-fine grains exhibiting superplasticity at room temperature by means of thermomechanical controlling processes (TMCPs). The Zn-Al alloy has a few advantag
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4a82032fe8a6c3f3384e54cb27cc72c4
https://doi.org/10.4028/www.scientific.net/msf.551-552.583
https://doi.org/10.4028/www.scientific.net/msf.551-552.583
Autor:
Toshiro Kobayashi, Yasuhiro Aruga, Kentaro Uesugi, Toshiaki Takagi, Koichi Makii, Tomomi Ohgaki, Hiroyuki Toda
Publikováno v:
Materials Science Forum. :287-292
X-ray CT method is a kind of nondestructive inspection, but has strong limitation in sample size due to a small field of view (FOV). The higher the resolution, the smaller FOV is, mainly due to the element number of available detectors commercially.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6f6d1c63830597100f1dd0ffcc75a30d
https://doi.org/10.4028/www.scientific.net/msf.539-543.287
https://doi.org/10.4028/www.scientific.net/msf.539-543.287
Autor:
T. Kobayash, Tomomi Ohgaki, Kentaro Uesugi, Hiroyuki Toda, Mitsuo Niinomi, Toshikazu Akahori, Koichi Makii, Masakazu Kobayashi, Yasuhiro Aruga
Publikováno v:
Philosophical Magazine. 86:4417-4438
We have investigated the compressive behaviour of closed-cell aluminium foams using a high-resolution X-ray CT. The microstructures of cell walls or Plateau borders in the foams were visualized in ...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1cc8e7071f2b677fbaaba9b78c815f5b
https://doi.org/10.1080/14786430600724454
https://doi.org/10.1080/14786430600724454
Autor:
Yasuhiro Aruga, Tomomi Ohgaki, Toshikazu Akahori, Masakazu Kobayashi, N. Kuroda, Koichi Makii, Kentaro Uesugi, Toshiro Kobayashi, Hiroyuki Toda, Mitsuo Niinomi
Publikováno v:
Metallurgical and Materials Transactions A. 37:1211-1219
Synchrotron X-ray microtomography has been used for the three-dimensional characterization of microstructure in the cell walls of aluminum foams. A combination of high-resolution phase contrast imaging technique and several application techniques has
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e96c05c33fb03270d180d5c258844f90
https://doi.org/10.1007/s11661-006-1072-0
https://doi.org/10.1007/s11661-006-1072-0
Autor:
Atsumichi Kushibe, Kazuo Aoki, Koichi Makii, Toshiaki Takagi, Yorinobu Takigawa, Kenji Higashi
Publikováno v:
Materia Japan. 45:94-98
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::242e6767eb22b6b5eff6c35b9d05fc8c
https://doi.org/10.2320/materia.45.94
https://doi.org/10.2320/materia.45.94
Publikováno v:
Key Engineering Materials. :1032-1037
Low carbon TRIP steel shows quite complicated deformation behavior. The main purpose of this study is to clarify the deformation mechanism of low carbon TRIP steel by using a numerical simulation method. According to research works in the past, conti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::524f7c785a1c9386d65633f6f68489b4
https://doi.org/10.4028/www.scientific.net/kem.297-300.1032
https://doi.org/10.4028/www.scientific.net/kem.297-300.1032
Autor:
Toshikazu Akahori, Kentaro Uesugi, Toshiro Kobayashi, Yasuhiro Aruga, Hiroyuki Toda, Mitsuo Niinomi, Koichi Makii, Tomomi Ohgaki
Publikováno v:
Key Engineering Materials. :1189-1195
Synchrotron X-ray microtomography has been utilized for the 3D characterisation of microstructure in the cell materials of aluminium foams. Tomographs, consisting of about 109 isotropic voxels with a maximum of 1.0µm edge, were collected at the SPri
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bf7919cb0dee048f8754a736419f01c9
https://doi.org/10.4028/www.scientific.net/kem.297-300.1189
https://doi.org/10.4028/www.scientific.net/kem.297-300.1189