Irradiation Test of Shielding Material for Fast Reactor JMTR-SH (I) (71M-84P)

Suzuki, Kazuhisa; Yamanouchi, Sadamu; Tani, Satoshi; Ichige, Akio; Naito, Takeshi; Harada, Mamoru; Ito, Masahiko; Osugi, Shoichi*; Shibata, Kenichi*

The serpentine concentrate in which two kinds of cement were used as a binder was irradiated in JMTR to the fast neutron fluence -1.7 $^{19}$ n/cm $^{2}$ (E1Mev) and thermal neutron fluence -1.510 $^{20}$ n/cm $^{2}$ . Ave-rage irradiation temperature was estimated to be 200 $^{circ}C$ . Prior to the postirradiation examination, effect of thermal history was investigated in out-of-pile test. The integrity of specimens were kept after irradiation. From the results of thermal history examination and the post-irradiation examination, it was clearly noticed that the changes occuring in dimensions, weight and compressive strength were caused mainly by the thermal effect. The change in the Young's modulus seemed to be caused by the effect of both heating and neutron irradiation. It wasconcluded that the ordinary portland cement with the serpentine concrete is better than that of almina cement.

Language	:	English
Report No.	:	PNC TN951 76-05
Pages	:	70 Pages
Publication Year/Month	:	1976/03
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PDF	:	PNC-TN951-76-05.pdf:4.4MB
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Keywords	:	no keyword
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Registration No. : GJ0919750162
JAEA Abstracts No. :

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