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Usami, Shin; Suzuoki, Zenro; Deshimaru, Takehide; Hikichi, T.*; Nakashima, F.*
Proceedings of 11th International Symposium on Reactor Dosimetry (ISRD-11), p.389 - 396, 2003/00
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Shibata, Taiju; Kikuchi, Takayuki; Shimakawa, Satoshi
Reactor Dosimetry in the 21st Century, p.211 - 218, 2003/00
The High Temperature Engineering Test Reactor (HTTR) is the first HTGR in Japan with a maximum power of 30 MW. The construction of it was completed successfully in March 2002. The HTTR aims to perform irradiation studies at its very wide irradiation spaces at high temperatures. Although the creep behavior of materials is measured by the large standard size specimens at out-of-pile, small size ones are generally used for in-pile creep tests because of the irradiation capability of reactors. The I-I type irradiation equipment, the first rig for the HTTR, is to be used for the in-pile creep test on a stainless steel with the standard specimens. The rig can give big tensile loads of about 9.8 kN on them. The temperatures of 550 and 600
C and the fast neutron fluence of 1.2
10
n/m
are the targets of the test. Prior to the in-pile creep test, the in-core irradiation properties at the irradiation region are to be obtained by the rig as the first irradiation test. This paper describes the dosimetry plan at the first irradiation test and the subsequent data assessment procedure.
Ito, Chikara; Sekine, Takashi; Aoyama, Takafumi
Proceedings of 11th International Symposium on Reactor Dosimetry (ISRD-11), 0 Pages, 2002/00
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Sekine, Takashi; Aoyama, Takafumi; ;
Proceedings of 11th International Symposium on Reactor Dosimetry (ISRD-11), 0 Pages, 2002/00
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Sekine, Takashi; Maeda, Shigetaka; Aoyama, Takafumi
Proceedings of 11th International Symposium on Reactor Dosimetry (ISRD-11), 0 Pages, 2002/00
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