The effect of gamma irradiation on the thermal, mechanical parameters
and electrical properties of Pb-5wt.% Sn-0.5 wt.% Zn alloy rapidly solidified
from the melt was investigated. The results showed irregular behaviour of the
parameters measured for samples irradiated with doses up to 200 KGy. Above
200 KGy a clear trend of variation tooks place. The values of the specific heat
under constant pressure CP and the activation energy of ordering, U, showed
opposite behaviours above 200KGy, up to 1 MGy. The deterioration of the
elastic modulus and internal friction properties caused by irradiation appear to
have a bad potential for using the present alloy as structural material soldering
alloy in nuclear structures. The increased resistivity with irradiation was
rendered to the increased scattering of transport electrons caused by the
created scattering centres induced by gamma-rays.