Zobrazeno 1 - 10
of 35
pro vyhledávání: '"Mayumi Ojima"'
Autor:
Satoshi Morooka, Naoko Sato, Mayumi Ojima, Stefanus Harjo, Yoshitaka Adachi, Yo Tomota, Osamu Umezawa
Publikováno v:
International Journal of Automotive Engineering, Vol 2, Iss 4, Pp 131-136 (2011)
Strength and work-hardening in steels are discussed from the viewpoint of heterogeneous deformation. In-situ neutron diffraction studies made it clear that misfit strains between grains accompanied grain-scaled internal stresses (intergranular stress
Externí odkaz:
https://doaj.org/article/edc27ce7b8fe475d9b4b03aeec6d66cd
Publikováno v:
Materials Science and Engineering: A. 743:32-39
Heterogeneous plastic deformation behavior of oriented individual grains-family with respect to the tensile direction in austenitic steels was studied using electron back scatter diffraction (EBSD) and neutron diffraction (ND) measurements. The kerne
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b6616632067a5f9f55d61037f47926ad
https://doi.org/10.1016/j.msea.2018.09.052
https://doi.org/10.1016/j.msea.2018.09.052
Publikováno v:
Materials Characterization. 145:634-643
Multilayered steel composites consisting of alternating martensitic and austenite layers were successfully fabricated with a combination of high strength and ductility. In situ SEM tensile experiments were performed to investigate the fracture proces
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::96c5959f63c86d8268f6952e6b037493
https://doi.org/10.1016/j.matchar.2018.09.027
https://doi.org/10.1016/j.matchar.2018.09.027
Autor:
Mayumi Ojima, Yo Tomota, Takayoshi Ito, Pingguang Xu, Sven C. Vogel, Wu Gong, Hiroshi Suzuki, Junya Inoue, Kazuya Aizawa, Stefanus Harjo, Koichi Akita
Publikováno v:
Journal of Applied Crystallography
'Journal of Applied Crystallography ', vol: 51, pages: 746-760 (2018)
'Journal of Applied Crystallography ', vol: 51, pages: 746-760 (2018)
The division of neutron detector panel regions has improved the precision of complex texture evaluation and appropriate sample rotation enhances the texture reliability in a limited neutron beam time. The TAKUMI instrument has achieved satisfactory t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::26ce2a9870730f4de7ece2c061b88b54
https://jopss.jaea.go.jp/search/servlet/search?5062862
https://jopss.jaea.go.jp/search/servlet/search?5062862
Publikováno v:
The Japanese Economic Review. 69:101-127
This study considers the macroeconomic effects of retailer market concentration and buyer-size discounts on inflation dynamics. During Japan's “lost decades”, large retailers enhanced their market power, thus increasing the exploitation of buyer-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ebbb86d38b68b308696eb3c46cacded9
https://doi.org/10.1111/jere.12150
https://doi.org/10.1111/jere.12150
Autor:
Pingguang Xu, Toshihiko Koseki, Junya Inoue, Mayumi Ojima, Ayumi Shiro, Shoichi Nambu, Koichi Akita, Takahisa Shobu, Hiroshi Suzuki
Publikováno v:
Scopus-Elsevier
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8429764595f7845887432ae61314d02f
https://doi.org/10.2472/jsms.66.420
https://doi.org/10.2472/jsms.66.420
Publikováno v:
ISIJ International. 57:1246-1251
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9e53afb74d24bba9c190cd5edb2da2d4
https://doi.org/10.2355/isijinternational.isijint-2017-017
https://doi.org/10.2355/isijinternational.isijint-2017-017
Publikováno v:
ISIJ International. 57:181-188
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::09beda107526195c55d08a2c500b6fc8
https://doi.org/10.2355/isijinternational.isijint-2016-430
https://doi.org/10.2355/isijinternational.isijint-2016-430
Publikováno v:
Metallurgical and Materials Transactions A. 47:6042-6055
Multilayered composite steels consisting of alternating layers of martensitic phase and austenitic phase exhibit an excellent combination of strength and elongation compared with conventional advanced high-strength steels. The deformation processes u
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d1ad7116f0f95b096acfb997895f5420
https://doi.org/10.1007/s11661-016-3747-5
https://doi.org/10.1007/s11661-016-3747-5
Publikováno v:
Procedia Chemistry. 19:106-112
In order to improve the mechanical properties and to optimize grain refinement of Al-Mg-Si alloy, ECAP processing with an addition of hard particle TiB 2 is applied in this work. Mechanical property and microstructural evolution of Al-0.3Mg-7Si+1.5 w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::16c867bf73084d57e8ef56d2c483eb68
https://doi.org/10.1016/j.proche.2016.03.122
https://doi.org/10.1016/j.proche.2016.03.122