ISSN 0862-5468 (Print), ISSN 1804-5847 (online) 

Ceramics-Silikáty 28, (3) 195 - 202 (1984)


TECHNICAL GLASSES: ELECTRICAL PROPERTIES AND BEHAVIOUR IN NUCLEAR REACTOR VVR-S
 
Jakeš Dušan, Rosenkranz Jindřich, Král Jiří
 
Nuclear Research Institute, 250 68 Řež

The technical glasses SIMAX, SIAL, PN, UNIHOST, KS-80, KS-90 were irradiated in the VVR-S reactor and their electrical conductance was measured. The decrease of conductance was found after irradiation by thermal neutron fluence 2.0 x 10²³ n.m-2 having characteristical values for different sorts of glasses, In the reactor rig was studied the heat gene­ration in glasses with boron (SIMAX, SUPREMAX) and without boron (UNIHOST). Boronless glass has shown the temperature increment compa­rable with temperature measurement error. Both borosilicate glasses pro­duced elevation 39 K, resp. 33 K, at the rig operational temperature 350 to 390 °C.


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