... and support structures are considered, and service and metallurgical factors are taken into account. trend curve radiation embrittlement WWER-1000 WWER-440 reactor pressure vessel support structure thermal aging neutron irradiation impurity elements alloying elements RADIATION EMBRITTLEMENT...

... program neutron irradiation irradiation embrittlement embrittlement trend curve fracture toughness integrity assessment 354 RADIATION EMBRITTLEMENT TREND CURVES AND EQUATIONS AND THEIR USE FOR RPV INTEGRITY EVALUATIONS STP 1647, 2023 / available online at www.astm.org / doi: 10.1520...

... updated. reactor pressure vessel irradiation surveillance program neutron irradiation irradiation embrittlement embrittlement trend equation fracture toughness integrity assessment transition temperature shift VERLIFE RADIATION EMBRITTLEMENT TREND CURVES AND EQUATIONS AND THEIR USE...

... documentation. reactor pressure vessel irradiation surveillance program neutron irradiation irradiation embrittlement embrittlement trend equation fracture toughness integrity assessment transition temperature shift 432 RADIATION EMBRITTLEMENT TREND CURVES AND EQUATIONS AND THEIR USE FOR RPV...

... and future fission reactor operation. The effects of fast neutron irradiation on the high-temperature behavior are presented in general terms, and the conventional understanding of the mechanisms behind both the inert and irradiated behavior are outlined. Areas for further research are then highlighted...

... spectrum characterization neutron irradiation REACTOR DOSIMETRY: 16TH INTERNATIONAL SYMPOSIUM 23 STP 1608, 2018 / available online at www.astm.org / doi: 10.1520/STP160820170062 Edward J. Parma1 Neutron and Gamma-Ray Radiation Environments for the Annular Core Research Reactor Citation Parma, Edward J...

... are explained. Because of the low neutron irradiation or use of well-designed RPV materials, or both, all reactors operated in Germany at the beginning of 2011 have demonstrated favorable irradiation behavior, allowing RPV long-term operation far beyond the 40 years of original design. reactor pressure...

... irradiation response of the investigated RPV materials does not correspond to the forecast according to the current Russian code. reactor pressure vessel multilayer welding seam forged base metal ring neutron irradiation hardness tensile strength fracture toughness master curve approach Charpy-V...

.... Zr-2.5Nb CANDU creep mass transport dislocation glide neutron irradiation pressure tube 938 ZIRCONIUM IN THE NUCLEAR INDUSTRY: 18TH INTERNATIONAL SYMPOSIUM STP 1597, 2018 / available online at www.astm.org / doi: 10.1520/STP159720160042 Robert F. DeAbreu,1 Grant A. Bickel,1 Andrew W. Buyers...

... microscopy, analytical electron microscopy, and X-ray diffraction, with a focus on the evolution of the microstructure of the intermetallic precipitates in the oxide films during exposure to autoclave water or to the corroding environment under neutron irradiation. The film microstructure suggests...

... by temperature and neutron irradiation. The Laves phase precipitates and the matrix composition change caused by depletion of iron from SPPs in the irradiated fuel cladding, guide thimbles, central tube, and rigid angles as a result of changes in temperature and neutron fluence, and determine their mechanical...

... with the axial creep of the capsules, there appears to be no statistically significant dependence of diametral creep on cold-work. Zr-2.5Nb alloy pressure tube neutron irradiation irradiation creep microstructure in-reactor deformation ZIRCONIUM IN THE NUCLEAR INDUSTRY: 17TH INTERNATIONAL SYMPOSIUM...

... ignore the distinguishing features of the damage production in displacement cascades during fast-particle, e.g., neutron, irradiation; namely, the intra-cascade clustering of vacancies and SIAs and one-dimensional diffusion of SIA clusters. Over the last twenty years or so, the production bias model (PBM...

... on the state of the microstructure. In this paper, it is shown that the majority of the DHC growth rate changes can be ascribed to thermal and irradiation effects on the microstructure. Zr-2.5Nb neutron irradiation delayed hydride cracking pressure tubes microstructure X-ray diffraction line...

... examinations of two low-copper welds, with different nickel contents, neutron irradiated up to about 5 × 10 19 n cm −2 ( E > 1 MeV), are reported. Transmission electron microscopy and high-angle angular dark field scanning transmission electron microscopy (HAADF) investigations provide evidence of a very...

... of some precipitates with cavities observed by means of Conventional Bright Field-TEM and EF-TEM. stainless steel neutron irradiation microstructure transmission electron microscopy EFFECTS OF RADIATION ON NUCLEAR MATERIALS: 26TH VOLUME 74 STP 1572, 2014 / available online at www.astm.org...

... of the specimens’ fabrication process are still recommended. Finally, the complete database is assessed with respect to benefits for future RPV safety analyses. reactor pressure vessel steel neutron irradiation irradiation embrittlement fracture toughness crack initiation crack arrest master curve RT...

... is intergranular planes detected on the fractured surfaces of the specimens. reactor pressure vessel steel neutron irradiation fracture toughness master curve approach non-homogeneous steel SINTAP multimodal approach Effects of Radiation on Nuclear Materials: 25th Volume STP 1547, 2012 Available...

... for research reactors. aluminum magnesium alloys irradiation embrittlement neutron irradiation research reactor Effects of Radiation on Nuclear Materials: 25th Volume STP 1547, 2012 Available online at www.astm.org DOI:10.1520/STP104128 Hieronymus Hein,1 Hilmar Schnabel,1 and Stephan Welzel2...

... A review is given of the comprehensive model developed in the 1960s at the Bettis Atomic Power Laboratory to explain the creep of Zircaloy during neutron irradiation and applied to fuel to element analysis and design. The in-pile softening observed at low stresses was hypothesized to be due...