Radiation Damage Exposure and Embrittlement of Reactor Pressure Vessels
Title | Radiation Damage Exposure and Embrittlement of Reactor Pressure Vessels PDF eBook |
Author | K. Shure |
Publisher | |
Pages | 72 |
Release | 1964 |
Genre | Nuclear reactors |
ISBN |
Radiation Embrittlement and Surveillance of Nuclear Reactor Pressure Vessels
Title | Radiation Embrittlement and Surveillance of Nuclear Reactor Pressure Vessels PDF eBook |
Author | Lendell E. Steele |
Publisher | ASTM International |
Pages | 240 |
Release | 1983 |
Genre | Technology & Engineering |
ISBN | 9780803102637 |
Radiation Embrittlement of Nuclear Reactor Pressure Vessel Steels
Title | Radiation Embrittlement of Nuclear Reactor Pressure Vessel Steels PDF eBook |
Author | Lendell E. Steele |
Publisher | ASTM International |
Pages | 303 |
Release | 1986 |
Genre | Boiling water reactors |
ISBN | 0803104731 |
Correlating Radiation Exposure with Embrittlement
Title | Correlating Radiation Exposure with Embrittlement PDF eBook |
Author | S. Seifert |
Publisher | |
Pages | 8 |
Release | 2001 |
Genre | Damage correlation |
ISBN |
Experiments comparing the embrittling effects of high-energy (10-MeV) electrons and test reactor fast neutrons have been performed to elucidate the role of primary damage state on reactor pressure vessel embrittlement. Electrons produce displacement damage primarily by low-energy atomic recoils, while fast neutrons produce displacements from considerably higher energy recoils. Comparison of changes resulting from neutron irradiation, in which nascent point-defect clusters can form in dense cascades, with electron irradiation, where cascade formation is minimized, can provide insight into the role that the in-cascade point-defect clusters have on embrittlement mechanisms. Yield strength changes induced by 10-MeV electrons or test reactor neutron irradiations of unalloyed iron and an Fe-0.9 wt.% Cu-1.0 wt.% Mn alloy were examined up to 1.5 x 10-2 dpa. The small alloying additions substantially enhanced embrittlement in both the electron- and neutron-irradiated samples relative to unalloyed iron. Similar embrittlement trends with increasing radiation damage were observed for electrons and neutrons in both the ternary and unalloyed iron. Preliminary results of small-angle X-ray scattering measurements of embrittled microstructures are also reported.
Irradiation Embrittlement of Reactor Pressure Vessels (RPVs) in Nuclear Power Plants
Title | Irradiation Embrittlement of Reactor Pressure Vessels (RPVs) in Nuclear Power Plants PDF eBook |
Author | Naoki Soneda |
Publisher | Elsevier |
Pages | 437 |
Release | 2014-09-01 |
Genre | Technology & Engineering |
ISBN | 0857096478 |
Reactor Pressure Vessels (RPVs) contain the fuel and therefore the reaction at the heart of nuclear power plants. They are a life-determining structural component: if they suffer serious damage, the continued operation of the plant is in jeopardy. This book critically reviews irradiation embrittlement, the main degradation mechanism affecting RPV steels, and mitigation routes for managing the RPV lifetime. Part I reviews RPV design and fabrication in different countries, with an emphasis on the materials required, their important properties, and manufacturing technologies. Part II then considers RVP embrittlement in operational nuclear power plants using different reactors. Chapters are devoted to embrittlement in light-water reactors, including WWER-type reactors and Magnox reactors. Finally, Part III presents techniques for studying embrittlement, including irradiation simulation techniques, microstructural characterisation techniques, and probabilistic fracture mechanics. Irradiation Embrittlement of Reactor Pressure Vessels (RPVs) in Nuclear Power Plants provides a thorough review of an issue that is central to the safety of nuclear power generation. The book includes contributions from an international team of experts, and will be a useful resource for nuclear plant operators and managers, relevant regulatory and safety bodies, nuclear metallurgists and other academics in this field - Discusses reactor pressure vessel (RPV) design and the effect irradiation embrittlement can have, the main degradation mechanism affecting RPVs - Examines embrittlement processes in RPVs in different reactor types, as well as techniques for studying RPV embrittlement
Irradiation Embrittlement of Reactor Pressure Vessel Steels
Title | Irradiation Embrittlement of Reactor Pressure Vessel Steels PDF eBook |
Author | GE. Lucas |
Publisher | |
Pages | 36 |
Release | 1986 |
Genre | Embrittlement |
ISBN |
A model of irradiation embrittlement is described for predicting the 41-J Charpy V-notch temperature shifts (?T) as a function of metallurgical variables and neutron exposure conditions. This forecasting procedure combines semi-empirical physical models with statistical analyses of test and power reactor data, and calibration against data from fundamental experiments in which both mechanical property and microstructural changes are evaluated. The models are based on the evolution of a damage microstructure, which includes both copper precipitates and a radiation damage component enhanced by nickel. The precipitate volume is also increased by nickel and impurity phosphorus. Predicted hardening and shifts associated with these extended defects are based on empirically validated models. The model is able to self-consistently rationalize a wide array of microstructural and mechanical property data for commercial pressure vessel steels as well as model alloys.
Analysis of Reactor Vessel Radiation Effects Surveillance Programs
Title | Analysis of Reactor Vessel Radiation Effects Surveillance Programs PDF eBook |
Author | Lendell E. Steele |
Publisher | ASTM International |
Pages | 269 |
Release | 1970 |
Genre | Freshwater microbiology |
ISBN | 9780803100664 |