... and microcracking. We also present directions to be pursued to account for microstructure-related effects that occur as a result of neutron irradiation. elastic moduli porosity microcracks nanocracks effective medium irradiation effects GRAPHITE TESTING FOR NUCLEAR APPLICATIONS: THE VALIDITY...

... to access the metal. These results will be discussed as a contribution to the available knowledge about hydrogen uptake and will provide a global support for the models of the uptake phenomenon. hydrogen content oxidation irradiation effects high burnup TEM EPMA SIMS ZIRCONIUM IN THE NUCLEAR...

... degradation and still produce results that fall well in line with data extracted from the normal surveillance programs of the reactors. The flux effect as analysed from the mechanical property data appears to be negligible, if any. flux effects irradiation effects Nickel Manganese long term...

... as functions of thermal neutron fluences and of silicon content as well as microstructural analysis of changes in reactor vessel material due to neutron radiation. high flux reactor aluminium alloy irradiation effects fracture toughness EFFECTS OF RADIATION ON NUCLEAR MATERIALS: 26TH VOLUME 30 STP...

... régime. irradiation effects reactor pressure vessel steel embrittlement trend curve Mark Kirk1 Effects of Radiation on Nuclear Materials: 25th Volume STP 1547, 2012 Available online at www.astm.org DOI:10.1520/STP103999 A Wide-Range Embrittlement Trend Curve for Western Reactor Pressure Vessel...

... strength predicted from the microstructural components are roughly consistent with the measured changes in yield strength. mechanical properties irradiation effects microstructure transmission electron microscopy stainless steel Journal ofASTM Intemational, October 2004, Vol. 1, No, 9 Paper ID...

... examined in a Philips CM 12 transmission electron microscope at an acceleration voltage of 120 keV. The results displayed changes in deformation mechanism due to ion irradiations. disk bend test deformation mechanisms irradiation effects 316LN stainless steel ion-irradiated TEM disks...

... ferritic steels Zerilli-Armstrong constitutive model irradiation effects Matthew Wagenhofer1, Heshan P. Gunawardane1, and Ma~ofieAnn E. Natishan2 Yield and Toughness Transition Predictions for Irradiated Steels Based on Dislocation Mechanics Reference: Wagenhofer, M., Gunawardane, H. R, and Natishan...

... is usually modeled. The difference is that in the present case the hydride content is higher and therefore more hydrides are present. Zircaloy delayed hydride cracking crack growth hydrides irradiation effects threshold stress intensity Pgtl Efsing t'2 and Kjell Pettersson ~ Delayed Hydride...

... experimental statement on the oxidation kinetics is discussed. The role of neutron irradiation on the structure of the oxide layer appears to be the most determining. Zircaloy-4 irradiation effects oxide microstructure oxidation kinetics alloying element redistribution analytical transmission...

...' results and the corresponding four cycles' results. The corrosion effect and the load following influence were also investigated: they do not appear to modify the fatigue behavior in our experimental conditions. zirconium zirconium alloys fatigue behavior cladding tubes irradiation effects...

... neutron exposure ( E > 1 MeV). irradiation effects impact steel ductile-brittle transition temperature Y. J. A i x i n I and R. P. Han I Effects of Neutron Irradiation on the Notch Ductility of 15MnTi Steel R E F E R E N C E : Aixin, Y. J. and Han, R. P., "Effects of N e u t r o n...

... from room temperature to 150°C. The yield and ultimate tensile strengths were increased by irradiation, and the total elongation decreased, but the fracture toughness at 26 and 95°C was not degraded by irradiation, and decreased only slightly at 150°C. aluminum 6061-T651 irradiation effects...

.... The overall governing equation of the internal stress generation process was solved by numerical integration. The critical failure modes of the sheath insulator were illustrated based on the numerical calculation results. irradiation effects irradiation stress creep finite element method Wei Y. Wu...

... is confirmed by 90% of all data for unirradiated and irradiated material. The deviations, especially of the Gundremmingen trepan results, obviously depend on fabrication inhomogeneity rather than on irradiation effects. reactor pressure vessel irradiation effects specimen sampling orientation Charpy...

... In 1988 and 1990, the reactor pressure vessels of Units 1 and 2, respectively, of the Greifswald nuclear power station were subjected to heat treatment at 475°C for annealing of irradiation effects. To demonstrate the effect of annealing and to evaluate a new postannealing transition temperature...

... specimens may have lost some constraint due to their size. The testing shows that it should be possible to generate useful J-R curve fracture toughness data from the small disk compact specimens. disk compact specimen fracture toughness irradiation effects test methods unloading compliance...

... after irradiation remained below that for 12Cr-1MoVW steel. toughness Charpy impact tests neutron irradiation irradiation effects ferritic steels postirradiation properties R. L. Klueh t and D. J. Alexander ~ Irradiation Effects on Impact Behavior of 12Cr-1MoVW and 288 Steels* REFERENCE...

... shows that Reg. Guide 1.99 prop. rev. 2 tends to be nonconservative at high fluence levels for these data, whereas KTA 3203, with its restricted validity range with respect to fluence and copper content, always leads to conservative predictions. irradiation effects pressure vessel steels neutron...

... irradiation effects Charpy V-notch impact properties drop-weight tests ductile transition brittle transition STP1046-EB/May 1990 Franz J. Schmitf Correlation of Cv and Drop-Weight Transition Temperature Increase Caused by Irradiation REFERENCE: Schmitt. F. J.. "Correlation of C, and Drop-Weight...