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Radiation Damage Exposure And Embrittlement Of Reactor Pressure Vessels
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Book Synopsis Radiation Embrittlement and Surveillance of Nuclear Reactor Pressure Vessels by : Lendell E. Steele
Download or read book Radiation Embrittlement and Surveillance of Nuclear Reactor Pressure Vessels written by Lendell E. Steele and published by ASTM International. This book was released on 1983 with total page 236 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Radiation Damage Exposure and Embrittlement of Reactor Pressure Vessels by : K. Shure
Download or read book Radiation Damage Exposure and Embrittlement of Reactor Pressure Vessels written by K. Shure and published by . This book was released on 1964 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Radiation Embrittlement of Nuclear Reactor Pressure Vessel Steels by : Lendell E. Steele
Download or read book Radiation Embrittlement of Nuclear Reactor Pressure Vessel Steels written by Lendell E. Steele and published by ASTM International. This book was released on 1986 with total page 303 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Analysis of Reactor Vessel Radiation Effects Surveillance Programs by : Lendell E. Steele
Download or read book Analysis of Reactor Vessel Radiation Effects Surveillance Programs written by Lendell E. Steele and published by ASTM International. This book was released on 1970 with total page 269 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Correlating Radiation Exposure with Embrittlement by : S. Seifert
Download or read book Correlating Radiation Exposure with Embrittlement written by S. Seifert and published by . This book was released on 2001 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Radiation Damage Surveillance of Power Reactor Pressure Vessels by : C. Z Serpan (Jr)
Download or read book Radiation Damage Surveillance of Power Reactor Pressure Vessels written by C. Z Serpan (Jr) and published by . This book was released on 1966 with total page 23 pages. Available in PDF, EPUB and Kindle. Book excerpt: The deleterious effect of high energy neutrons upon the mechanical properties of reactor pressure vessel steels has prompted the employment of material surveillance programs in many nuclear power plants. These programs provide for the exposure of test specimens representative of the reactor pressure vessel at in-reactor locations, wherein they will experience the same thermal and radiation damage history as the vessel itself. Evaluation of these specimens, which reveals the progressive changes in the mechanical properties of the vessel, provides a basis upon which operational procedures and maximum lifetime exposure may be formulated for the plant. A review and an analysis of several instances of shortcomings in surveillance programs are presented along with a set of recommendations for consideration in planning new surveillance programs. In utilizing these recommendations, pressure vessel surveillance programs can be made to provide valuable information for use in determining plant operations; at the same time results from these programs may add to the general knowledge of radiation effects in pressure vessel steels or other materials subject to radiation. Recognition of the value of surveillance programs and their conscientious application should further the public acceptance of nuclear reactors as safe alternative power systems.
Book Synopsis Irradiation Embrittlement of Reactor Pressure Vessels (RPVs) in Nuclear Power Plants by : Naoki Soneda
Download or read book Irradiation Embrittlement of Reactor Pressure Vessels (RPVs) in Nuclear Power Plants written by Naoki Soneda and published by Elsevier. This book was released on 2014-09-01 with total page 437 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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
Book Synopsis Irradiation Embrittlement of Reactor Pressure Vessel Steels by : GE. Lucas
Download or read book Irradiation Embrittlement of Reactor Pressure Vessel Steels written by GE. Lucas and published by . This book was released on 1986 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Radiation Embrittlement of Nuclear Reactor Pressure Vessel Steels by : Lendell E. Steele
Download or read book Radiation Embrittlement of Nuclear Reactor Pressure Vessel Steels written by Lendell E. Steele and published by ASTM International. This book was released on 1989 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Status of USA Nuclear Reactor Pressure Vessel Surveillance for Radiation Effects by : Lendell E. Steele
Download or read book Status of USA Nuclear Reactor Pressure Vessel Surveillance for Radiation Effects written by Lendell E. Steele and published by ASTM International. This book was released on 1983 with total page 290 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis LWR Pressure Vessel Surveillance Dosimetry Improvement Program by :
Download or read book LWR Pressure Vessel Surveillance Dosimetry Improvement Program written by and published by . This book was released on 1979-10 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Radiation Damage of Nuclear Power Plant Pressure Vessel Steels by : Nikolaĭ Nikolaevich Alekseenko
Download or read book Radiation Damage of Nuclear Power Plant Pressure Vessel Steels written by Nikolaĭ Nikolaevich Alekseenko and published by . This book was released on 1997 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book describes the current state of knowledge about pressure vessel material selection, fabrication (including welding), the changes in properties in service, and response to high-temperature annealing. In contrast to the bad reports of inadequate attention to reactor safety in the former Soviet Union, this book shows that the question of pressure vessel performance has received proper attention and a strong scientific base underlies the assessment of vessel life. This book should be read by reactor designers and operators and their scientific colleagues throughout the world.
Book Synopsis Radiation Embrittlement of Nuclear Reactor Pressure Vessel Steels by : Lendell E. Steele
Download or read book Radiation Embrittlement of Nuclear Reactor Pressure Vessel Steels written by Lendell E. Steele and published by ASTM International. This book was released on 1993 with total page 428 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Steady-state Radiation Embrittlement of Reactor Vessels: Detailed technical description of the work by : Thomas R. Mager
Download or read book Steady-state Radiation Embrittlement of Reactor Vessels: Detailed technical description of the work written by Thomas R. Mager and published by . This book was released on 1985 with total page 286 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Understanding the Role of Defect Production in Radiation Embrittlement of Reactor Pressure Vessels by :
Download or read book Understanding the Role of Defect Production in Radiation Embrittlement of Reactor Pressure Vessels written by and published by . This book was released on 1999 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt: Comparative experiments using high energy (10 MeV) electrons and test reactor neutrons have been undertaken to understand the role that primary damage state has on hardening (embrittlement) induced by irradiation at 300 C. 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 the mechanisms of embrittlement. Tensile property 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 in the damage range of 9.0 x 10−5 dpa to 1.5 x 10−2 dpa. The results to date showed the ternary alloy experienced substantially greater embrittlement in both the electron and neutron irradiated samples relative to unalloyed iron. Surprisingly, despite their disparate nature of defect production, similar embrittlement trends with increasing radiation damage were observed for electrons and neutrons in both the ternary and unalloyed iron.
Book Synopsis Damage Dosimetry and Embrittlement Monitoring of Nuclear Pressure Vessels in Real Time by Magnetic Properties Measurement by :
Download or read book Damage Dosimetry and Embrittlement Monitoring of Nuclear Pressure Vessels in Real Time by Magnetic Properties Measurement written by and published by . This book was released on 1992 with total page 17 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective of this project is to develop a technique for real-time monitoring of neutron dose and of the onset and progression of embrittlement in operating nuclear pressure vessels. The technique relies on the measurement of magnetic properties of steel and other magnetic materials which are extremely sensitive to radiation-induced properties changes. The approach being developed here is innovative and unique. It promises to be readily applicable to all existing and planned reactor structures. The significance of this program is that it addresses a major concern in the operation of existing nuclear pressure vessels. The development of microscopic defect clusters during irradiation in the nuclear pressure vessel beltline region leads to an increase in material yield strength and a concomitant decrease in ductility, or ability to absorb energy in fracture (i.e. fracture toughness). This decrease in fracture toughness is alarming since it may impair the ability of the pressure vessel to resist fracture during unusual loading situations.
Book Synopsis USAEC Conference on the Status of Radiation Effects Research on Structural Materials and the Implications to Reactor Design by :
Download or read book USAEC Conference on the Status of Radiation Effects Research on Structural Materials and the Implications to Reactor Design written by and published by . This book was released on 1960 with total page 318 pages. Available in PDF, EPUB and Kindle. Book excerpt:
