Neutron-Induced Microstructural Evolution of Fe-15Cr-16Ni Alloys at ~400 C During Neutron Irradiation in the FFTF Fast Reactor PDF Download
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Author: Publisher: ISBN: Category : Languages : en Pages :
Book Description
An experiment conducted at ~400 degrees C on simple model austenitic alloys (Fe-15Cr-16Ni and Fe-15Cr-16Ni-0.25Ti, both with and without 500 appm boron) irradiated in the FFTF fast reactor at seven different dpa rates clearly shows that lowering of the atomic displacement rate leads to a pronounced reduction in the transient regime of void swelling. While the steady state swelling rate (~1%/dpa) of these alloys is unaffected by changes in the dpa rate, the transient regime of swelling can vary from
Author: Publisher: ISBN: Category : Languages : en Pages :
Book Description
An experiment conducted at ~400 degrees C on simple model austenitic alloys (Fe-15Cr-16Ni and Fe-15Cr-16Ni-0.25Ti, both with and without 500 appm boron) irradiated in the FFTF fast reactor at seven different dpa rates clearly shows that lowering of the atomic displacement rate leads to a pronounced reduction in the transient regime of void swelling. While the steady state swelling rate (~1%/dpa) of these alloys is unaffected by changes in the dpa rate, the transient regime of swelling can vary from
Author: Philip G Tipping Publisher: Elsevier ISBN: 1845699955 Category : Technology & Engineering Languages : en Pages : 953
Book Description
Plant life management (PLiM) is a methodology focussed on the safety-first management of nuclear power plants over their entire lifetime. It incorporates and builds upon the usual periodic safety reviews and licence renewals as part of an overall framework designed to assist plant operators and regulators in assessing the operating conditions of a nuclear power plant, and establishing the technical and economic requirements for safe, long-term operation. Understanding and mitigating ageing in nuclear power plants critically reviews the fundamental ageing-degradation mechanisms of materials used in nuclear power plant structures, systems and components (SSC), along with their relevant analysis and mitigation paths, as well as reactor-type specific PLiM practices. Obsolescence and other less obvious ageing-related aspects in nuclear power plant operation are also examined in depth. Part one introduces the reader to the role of nuclear power in the global energy mix, and the importance and relevance of plant life management for the safety regulation and economics of nuclear power plants. Key ageing degradation mechanisms and their effects in nuclear power plant systems, structures and components are reviewed in part two, along with routes taken to characterise and analyse the ageing of materials and to mitigate or eliminate ageing degradation effects. Part three reviews analysis, monitoring and modelling techniques applicable to the study of nuclear power plant materials, as well as the application of advanced systems, structures and components in nuclear power plants. Finally, Part IV reviews the particular ageing degradation issues, plant designs, and application of plant life management (PLiM) practices in a range of commercial nuclear reactor types. With its distinguished international team of contributors, Understanding and mitigating ageing in nuclear power plants is a standard reference for all nuclear plant designers, operators, and nuclear safety and materials professionals and researchers. Introduces the reader to the role of nuclear power in the global energy mix Reviews the fundamental ageing-degradation mechanisms of materials used in nuclear power plant structures, systems and components (SSC) Examines topics including elimination of ageing effects, plant design, and the application of plant life management (PLiM) practices in a range of commercial nuclear reactor types
Author: Alex Chao Publisher: World Scientific ISBN: 9814383988 Category : Science Languages : en Pages : 300
Book Description
Trends for electron beam accelerator applications in industry / Sueo Machi -- Ion implantation for semiconductor doping and materials modification / Lawrence A. Larson, Justin M. Williams and Michael I. Current -- Ion beam analysis: a century of exploiting the electronic and nuclear structure of the atom for materials characterisation / Chris Jeynes, Roger P. Webb and Annika Lohstroh -- Neutrons and photons in nondestructive detection / J.F. Harmon, D.P. Wells and A.W. Hunt -- Review of cyclotrons for the production of radioactive isotopes for medical and industrial applications / Paul Schmor -- Development of accelerator mass spectrometry and its applications / Jiaer Chen [und weitere] -- Electron accelerators for environmental protection / Andrzej G. Chmielewski -- Studying radiation damage in structural materials by using ion accelerators / Peter Hosemann -- Direct current accelerators for industrial applications / Ragnar Hellborg and Harry J. Whitlow -- Radio-frequency electron accelerators for industrial applications / Marshall R. Cleland -- Accelerators for neutron generation and their applications / Guenter Mank, Guenter Bauer and Francoise Mulhauser -- Prospects for accelerator technology / Alan Todd -- CERN: from birth to success / Herwig Schopper -- Simon van der Meer (1925-2011): a modest genius of accelerator science / Vinod C. Chohan
Author: FA. Garner Publisher: ISBN: Category : Cold work Languages : en Pages : 13
Book Description
A series of three Fe-15Cr-XNi alloys in both annealed and cold worked conditions was irradiated in the fast flux test facility (FFTF) at 495°C to 14 dpa. The experiment was developed to determine the separate and synergistic effects of nickel and phosphorus content, cold work, and helium/dpa ratio. This experiment was conducted without introducing variations in displacement rate, a variable known to strongly influence microstructural evolution. Each alloy condition was irradiated in two variants, one with natural nickel and one enhanced with the 59Ni isotope. The latter variant produces helium/dpa ratios typical of fusion reactor spectra while the former yields a much lower level of helium. The results show that helium alters the microstructural evolution somewhat at 495°C, but its effect is relatively small compared to the influences of the other variables studied. Increases in starting dislocation density, nickel content, or phosphorus level all retard swelling temporarily while higher rates of helium generation usually, but not always, accelerate swelling. Phosphorus addition of 0.04 wt% not only decreased swelling but led to refinement of dislocation loop microstructure and stabilization of dislocation networks created by cold working. Phosphide precipitates did not form at this temperature and dose level.
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Author: Philip G Tipping
Author: Martin L. Grossbeck
Author: Alex Chao
Author: FA. Garner
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Author: Jian Gan
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