Dynamic Mechanical Properties of Reduced Activation Ferritic Steels (2008)
T. Hirose, H. Tanigawa, M. Ando, A. Kohyama, S. Jitsukawa
Abstract: A fatigue test method by a miniaturized hourglass-shaped fatigue specimen has been developed for International Fusion Materials Irradiation Facility (IFMIF) and sufficient potential as the...
FUSION MATERIALS AND FUSION ENGINEERING R&D IN JAPAN (2008)
KOHYAMA, A., KONISHI, S., KIMURA, A.
Japanese activities on fusion structural materials R&D have been well organized under the coordination of university programs and JAERI/NIMS programs more than two decades. Where, two categories of...
Helium gas permeability of SiC/SiC composite after heat cycles (2007)
Hino, T., Hayashishita, E., Kohyama, A., Yamauchi, Y., Hirohata, Y.
In a blanket made of SiC/SiC composite, helium gas employed as coolant may leak into plasma, resulting in fuel dilution. The helium gas permeability of SiC/SiC composite has to be measured to qualify...
Strategy to develop reactor structural and plasma facing materials. (eingeladen) (2007)
Möslang, A., Bolt, H., Dudarev, S.L., Kohyama, A.
8th Internat.Symp.on Fusion Nuclear Technology (ISFNT-8), Heidelberg, September 30 - October 5, 2007
Status of R&D activities on materials for fusion power reactors. (2007)
Baluc, N., Abe, K., Boutard, J.L., Chernov, V.M., Diegele, E., Jitsukawa, S., ...
Nuclear Fusion, 47(2007) S.S696-S717
Status of development of functional materials with perspective on beyond-ITER. (2007)
Shikama, T., Knitter, R., Moeslang, A., Konys, J., Deli, L., Muroga, T., ...
8th Internat.Symp.on Fusion Nuclear Technology (ISFNT-8), Heidelberg, September 30 - October 5, 2007
Status of R&D activities on materials for fusion power reactors. (2006)
Baluc, N., Abe, K., Boutard, J.L., Chernov, V.M., Diegele, E., Jitsukawa, S., ...
21st IAEA Fusion Energy Conf., Chengdu, China, October 16-21, 2006
Seki, S, Tsukuda, S, Maeda, K, Tagawa, S, Shibata, H, Sugimoto, M, ...
Jitsukawa, S., Tamura, M., Klueh, R.L., Alamo, A., Petersen, C., ...
10th Internat.Conf.on Fusion Reactor Materials (ICFRM-10), Baden-Baden, October 14-19, 2001
Kohyama, A., Niwa, N., Sato, S.
Using "in-situ" observation under a scanning electron microscope (sem) and scanning acoustic microscope (sam), deformation and fracture behavior of metal matrix composites was studied. the materials...
Effect of Neutron Irradiation on Impact Properties of Metal Matrix Composites. (1998)
Kohyama, A., Hamada, K., Sato, S.
This investigation deals with the effect of neutron irradiation on mechanical properties of unidirectionally reinforced metal matrix composites (mmcs). mmcs used were sic(nicalon) and c(torayca)...
SiC/Al Composites and Their Preform Wires. (1998)
Igata, N., Kohyama, A., Tezuka, H., Imai, Y., Teranishi, H.
This paper concerned mmc in some important way and contained information about, utilized, or discussed these subjects: basic topics:, cr mmc, data, experimental, mmc, mmc data materials and material...
Response of PCS-Type SiC/Al Composite to Thermal- and/or Neutron Exposures. (1998)
Igata, N., Kohyama, A., Tezuka, H., Imai, Y., Teranishi, H.
This paper concerned mmc in some important way and contained information about, utilized, or discussed these subjects: basic topics:, composite materials, data, mmc, mmc data materials and material...
DEVELOPMENT OF SIC/AL COMPOSITES AS LOW ACTIVATION MATERIALS. (1998)
Kohyama, A., Tezuka, H., Igata, N.
Elsevier Science Publishers B.V. : The Netherlands
Development of low activation ferritic and martensitic steels for fusion reactors. (1998)
Kohyama, A., Hishinuma, A., Gelles, D.S., Klueh, R.L., Dietz, W., Ehrlich, K.
Fusion Energy 1996 : Proc.of the 16th Internat.Conf., Montreal, CDN, October 7-11, 1996 Vol.3 S.499-506
Current status and future R and D for reduced-activation ferritic/martensitic steels. (1998)
Hishinuma, A., Kohyama, A., Klueh, R.L., Gelles, D.S., Dietz, W., Ehrlich, K.
Proc.of the 8th Internat.Conf.on Fusion Reactor Materials, Sendai, J, October 26-31, 1997 Part A S.193-204
Low-activation ferritic and martensitic steels for fusion application. (1997)
Kohyama, A., Hishinuma, A., Gelles, D.S., Klueh, R.L., Dietz, W., Ehrlich, K.
7th Internat.Conf.on Fusion Reactor Materials (ICFRM-7), Obninsk, GUS, September 25-29, 1995
Serizawa, H., Kohyama, A., Sato, S.
As baseline mechanical properties, Young's modulus and internal friction of C/C composites were precisely studied using a newly developed internal friction apparatus in a vacuum with lateral...
Materials Response of C/C Composites Under Lateral Vibration. (1996)
As potential materials for fusion reactors, space power generators and for other severe enviroments, C/C composites have to be provided many properties required. Materials response under applied...
Transcriptional regulation of the Sex-lethal gene by helix-loop-helix proteins.
Hoshijima, K, Kohyama, A, Watakabe, I, Inoue, K, Sakamoto, H, Shimura, Y
Somatic sex determination in Drosophila depends on the expression of Sex-lethal (Sxl), whose level is determined by the relative number of X chromosomes and sets of autosomes (X:A ratio). The first...
Transcriptional regulation of the Sex-lethal gene by helix-loop-helix proteins.
Hoshijima, K, Kohyama, A, Watakabe, I, Inoue, K, Sakamoto, H, Shimura, Y
Somatic sex determination in Drosophila depends on the expression of Sex-lethal (Sxl), whose level is determined by the relative number of X chromosomes and sets of autosomes (X:A ratio). The first...