Letter to the editorEstimation of irradiation induced iodine pressure in an LWR fuel rod
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Cited by (19)
Modeling of Pellet Cladding Interaction
2020, Comprehensive Nuclear Materials: Second Edition3D simulation of a power ramp including fuel thermochemistry and oxygen thermodiffusion
2019, Journal of Nuclear MaterialsCitation Excerpt :This might be consistent with the lack of fuel rod failure by I-SCC in the simulated power ramp PR1. In the estimation of the iodine partial pressure, the possible contribution of CsI radiolysis [2,59] (released from the pellet as CsI(g) and condensed on the fuel pellet cracks’ surfaces as CsI(s)) to the “reactive” iodine is neglected. Frégonèse et al. quantified CsI(s) radiolysis in the inter-pellet zone and in the fuel pellet radial cracks [60], assuming that CsI(s) decomposition was likely in the first 5 μm at the fuel pellet surface.
First-principles insights into the nature of zirconium-iodine interactions and the initiation of iodine-induced stress-corrosion cracking
2015, Journal of Nuclear MaterialsCitation Excerpt :Considering the barriers to working with irradiated materials (cost, safety hazards), the lack of experimental data which reproduces reactor conditions is not surprising. Significant research has been performed looking into the influence of iodine on stress corrosion cracking, including the influence of cesium and cadmium in the materials [5–7]. The origin of PCI failure, reported by Lyons, et al. [8] spurred interest in determining the nature and appropriate actions required to prevent PCI mechanisms, which in turn evolved to performance guidelines adhered to in the current operation of reactors, such as the rate of power ramp [7].
Amount of iodine responsible for I-SCC of Zircaloy-4 in PCI-conditions: Recoil-implanted and thermally released iodine
1998, Nuclear Engineering and DesignIodine stress corrosion cracking of Zircaloy reactor cladding: Iodine chemistry (a review)
1998, Journal of Nuclear MaterialsSimulation of CsI decomposition in fuel cladding gap
1996, Journal of Nuclear Materials