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Swiss nuclear power and the case for long-term operation
Designed for 40 years but built to last far longer, Switzerland’s nuclear power plants have all entered long-term operation. Yet age alone says little about safety or performance. Through continuous upgrades, strict regulatory oversight, and extensive aging management, the country’s reactors are being prepared for decades of continued operation, in line with international practice.
D. R. McClintock, E. Paxson, H. M. Ferrari
Nuclear Technology | Volume 1 | Number 5 | October 1965 | Pages 425-431
Technical Paper | doi.org/10.13182/NT65-A20553
Articles are hosted by Taylor and Francis Online.
Ten thin-walled Type-304 stainless-steel-clad fuel rods were irradiated as part of the Saxton core to a maximum burnup of 8900 MWd/t at a maximum heat flux of 410 000 Btu/(h ft2) (129 W/cm2). The corresponding integrated fast flux exposure ( > 1 MeV) was 1.1 x 1021 n/cm2. Postirradiation examinations revealed no evidence of failure or crack formation, although the thin-walled clad was subjected to plastic deformation. The experiment demonstrated satisfactory performance of stainless steel in a borated PWR environment.
