A Mechanistically-Guided Charpy Embrittlement Correlation for Reactor Pressure Vessel Integrity Assessment

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ISBN 13 :
Total Pages : 19 pages
Book Rating : 4.:/5 (125 download)

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Book Synopsis A Mechanistically-Guided Charpy Embrittlement Correlation for Reactor Pressure Vessel Integrity Assessment by : WL. Server

Download or read book A Mechanistically-Guided Charpy Embrittlement Correlation for Reactor Pressure Vessel Integrity Assessment written by WL. Server and published by . This book was released on 2004 with total page 19 pages. Available in PDF, EPUB and Kindle. Book excerpt: The current neutron irradiation embrittlement trend equation used in the U.S. is contained in Nuclear Regulatory Commission (NRC) Regulatory Guide 1.99, Revision 2. The database used to establish this correlation was compiled in the late 1980s. Since that time there has been about a five fold increase in data. Through the EPRI Materials Reliability Program a new and improved transition temperature shift embrittlement correlation has been developed. The recommended model is mechanistically-guided, statistically robust, and stems from earlier work on a mechanistic/statistical model proposed by the NRC. From the independent reviews performed on the NRC proposed correlation, the evaluations of mechanistic understanding and statistical testing were combined to assess the most appropriate form for a mean correlation model. The process of evaluating and reducing the number of fitting parameters was not a simple decision. Engineering judgment, through the development of gating criteria and value/magnitude considerations, led to the development of the proposed correlation. This paper discusses the proposed embrittlement correlation and its mechanistic/statistical bases.

Effects of Radiation on Materials

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Publisher : ASTM International
ISBN 13 : 0803134770
Total Pages : 767 pages
Book Rating : 4.8/5 (31 download)

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Book Synopsis Effects of Radiation on Materials by : Martin L. Grossbeck

Download or read book Effects of Radiation on Materials written by Martin L. Grossbeck and published by ASTM International. This book was released on 2004 with total page 767 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Guidelines for Application of the Master Curve Approach to Reactor Pressure Vessel Integrity in Nuclear Power Plants

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Publisher : IAEA
ISBN 13 :
Total Pages : 120 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Guidelines for Application of the Master Curve Approach to Reactor Pressure Vessel Integrity in Nuclear Power Plants by : International Atomic Energy Agency

Download or read book Guidelines for Application of the Master Curve Approach to Reactor Pressure Vessel Integrity in Nuclear Power Plants written by International Atomic Energy Agency and published by IAEA. This book was released on 2005 with total page 120 pages. Available in PDF, EPUB and Kindle. Book excerpt: The master curve approach for assessing the fracture toughness of a sampled irradiated material has been gaining acceptance throughout the world. This direct measurement approach is preferred over the correlative and indirect methods used in the past to assess irradiated reactor pressure vessel (RPV) integrity. The master curve methodology already has been or is being assimilated into the ASME Boiler and Pressure Vessel Code, ASTM standards, USNRC regulations, German regulations (KTA 3203), IAEA PTS guidelines for WWER reactors as well as the VERLIFE "Unified Procedure for WWER Component Lifetime Assessment" and other industry guidance documents governing RPV integrity analysis. As this report was prepared using the results of many research projects and experiments, these guidelines for application will be used for a long time to evaluate and assess the residual life of RPVs.

Reactor Pressure Vessel Structural Integrity Research

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ISBN 13 :
Total Pages : 16 pages
Book Rating : 4.:/5 (925 download)

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Book Synopsis Reactor Pressure Vessel Structural Integrity Research by :

Download or read book Reactor Pressure Vessel Structural Integrity Research written by and published by . This book was released on 1995 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt: Development continues on the technology used to assess the safety of irradiation-embrittled nuclear reactor pressure vessels (RPVs) containing flaws. Fracture mechanics tests on RPV steel, coupled with detailed elastic-plastic finite-element analyses of the crack-tip stress fields, have shown that (1) constraint relaxation at the crack tip of shallows surface flaws results in increased data scatter but no increase in the lower-bound fracture toughness, (2) the nil ductility temperature (NDT) performs better than the reference temperature for nil ductility transition (RT{sub NDT}) as a normalizing parameter for shallow-flaw fracture toughness data, (3) biaxial loading can reduce the shallow-flaw fracture toughness, (4) stress-based dual-parameter fracture toughness correlations cannot predict the effect of biaxial loading on a shallow-flaw fracture toughness because in-plane stresses at the crack tip are not influenced by biaxial loading, and (5) an implicit strain-based dual-parameter fracture toughness correlation can predict the effect of biaxial loading on shallow-flaw fracture toughness. Experimental irradiation investigations have shown that (1) the irradiation-induced shift in Charpy V-notch vs temperature behavior may not be adequate to conservatively assess fracture toughness shifts due to embrittlement, and (2) the wide global variations of initial chemistry and fracture properties of a nominally uniform material within a pressure vessel may confound accurate integrity assessments that require baseline properties.

Assuring Structural Integrity of Steel Reactor Pressure Vessels

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ISBN 13 :
Total Pages : 236 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Assuring Structural Integrity of Steel Reactor Pressure Vessels by : Lendell E. Steele

Download or read book Assuring Structural Integrity of Steel Reactor Pressure Vessels written by Lendell E. Steele and published by . This book was released on 1980 with total page 236 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Technical Reports Series

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ISBN 13 :
Total Pages : 1086 pages
Book Rating : 4.:/5 (334 download)

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Book Synopsis Technical Reports Series by :

Download or read book Technical Reports Series written by and published by . This book was released on 2005 with total page 1086 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Storage Tank Integrity and Materials Evaluation

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ISBN 13 :
Total Pages : 298 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis Storage Tank Integrity and Materials Evaluation by :

Download or read book Storage Tank Integrity and Materials Evaluation written by and published by . This book was released on 2004 with total page 298 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Autograph Letter Signed from William Chaffers to Charles Roach Smith

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ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (226 download)

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Book Synopsis Autograph Letter Signed from William Chaffers to Charles Roach Smith by :

Download or read book Autograph Letter Signed from William Chaffers to Charles Roach Smith written by and published by . This book was released on 1874 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Concerns punctuation in a passage in the Comedy of Errors. Annotation at end of letter by Frederick Hendriks, June 21, 1892.

Application of Surveillance Programme Results to Reactor Pressure Vessel Integrity Assessment

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Publisher : IAEA
ISBN 13 :
Total Pages : 70 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Application of Surveillance Programme Results to Reactor Pressure Vessel Integrity Assessment by : International Atomic Energy Agency

Download or read book Application of Surveillance Programme Results to Reactor Pressure Vessel Integrity Assessment written by International Atomic Energy Agency and published by IAEA. This book was released on 2005 with total page 70 pages. Available in PDF, EPUB and Kindle. Book excerpt: This publication has been developed under the Coordinated Research Project (CRP) entitled: Surveillance Program Results Application to Reactor Pressure Vessel Integrity Assessment. This publication provides a summary of master curve fracture toughness test results on small surveillance type specimens of the IAEA reference material JRQ and other national steels from numerous laboratories around the world. These results were a key ingredient used in the development of the guidance given in IAEA Technical Reports Series No. 429, Guidelines for Application of the Master Curve Approach to Reactor Pressure Vessel Integrity. This publication has been written to allow utility engineers and scientists to directly measure fracture toughness and apply the results using the master curve approach for RPV structural integrity assessment.--Publisher description.

Effects of Radiation on Materials

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Publisher : ASTM International
ISBN 13 : 0803134010
Total Pages : 411 pages
Book Rating : 4.8/5 (31 download)

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Book Synopsis Effects of Radiation on Materials by : Todd R. Allen

Download or read book Effects of Radiation on Materials written by Todd R. Allen and published by ASTM International. This book was released on 2006 with total page 411 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Development of RPV Embrittlement Evaluation Technology for Charpy Upper Shelf Region

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ISBN 13 :
Total Pages : 11 pages
Book Rating : 4.:/5 (125 download)

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Book Synopsis Development of RPV Embrittlement Evaluation Technology for Charpy Upper Shelf Region by : K. Sakamoto

Download or read book Development of RPV Embrittlement Evaluation Technology for Charpy Upper Shelf Region written by K. Sakamoto and published by . This book was released on 2004 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt: In order to develop the integrity evaluation technology for aged major components of nuclear power plants, the Japan Power Engineering and Inspection Corporation (JAPEIC) has carried out the project named "Nuclear Power Plant Integrated Management Technology (PLIM)" entrusted by Japanese Ministry of Economy, Trade and Industry since 1996 Fiscal Year (FY). One of the objectives of this project is to establish the method for integrity evaluation of aged Japanese reactor pressure vessels (RPV) by developing the prediction equations of reduction of Charpy V-notch upper shelf energy (USE) due to neutron irradiation embrittlement and the correlation equations between USE and fracture toughness. In order to study the effect of certain chemical elements, such as Cu, Ni, P and Si, and initial USE on irradiation embrittlement, nine kinds of base metal, four kinds of weld metal and one kind of heat affected zone were prepared as test materials. They were irradiated at the OECD Halden test reactor, at three fluence levels (3, 6 and 10x1019n/cm2: E>1MeV) considering total fluence estimated after 48 Effective Full Power Year (EFPY) operation of Japanese PWR plants (2 and 3 loop). Post irradiation Charpy impact tests at the upper shelf region were completed to date. This paper is an interim test report about the reduction of USE in the high fluence region.

Aging Management and Component Analysis

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ISBN 13 :
Total Pages : 268 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Aging Management and Component Analysis by : Vikram N. Shah

Download or read book Aging Management and Component Analysis written by Vikram N. Shah and published by . This book was released on 2003 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Assuring Structural Integrity of Steel Reactor Pressure Boundary Components

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ISBN 13 :
Total Pages : 396 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis Assuring Structural Integrity of Steel Reactor Pressure Boundary Components by : K. E. Stahlkopf

Download or read book Assuring Structural Integrity of Steel Reactor Pressure Boundary Components written by K. E. Stahlkopf and published by . This book was released on 1988 with total page 396 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Physically Based Regression Correlations of Embrittlement Data from Reactor Pressure Vessel Surveillance Programs

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ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (299 download)

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Book Synopsis Physically Based Regression Correlations of Embrittlement Data from Reactor Pressure Vessel Surveillance Programs by :

Download or read book Physically Based Regression Correlations of Embrittlement Data from Reactor Pressure Vessel Surveillance Programs written by and published by . This book was released on 1984 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Transactions of the American Nuclear Society

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ISBN 13 :
Total Pages : 980 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Transactions of the American Nuclear Society by : American Nuclear Society

Download or read book Transactions of the American Nuclear Society written by American Nuclear Society and published by . This book was released on 1958 with total page 980 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Comprehensive Nuclear Materials

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Publisher : Elsevier
ISBN 13 : 0081028660
Total Pages : 4871 pages
Book Rating : 4.0/5 (81 download)

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Book Synopsis Comprehensive Nuclear Materials by :

Download or read book Comprehensive Nuclear Materials written by and published by Elsevier. This book was released on 2020-07-22 with total page 4871 pages. Available in PDF, EPUB and Kindle. Book excerpt: Materials in a nuclear environment are exposed to extreme conditions of radiation, temperature and/or corrosion, and in many cases the combination of these makes the material behavior very different from conventional materials. This is evident for the four major technological challenges the nuclear technology domain is facing currently: (i) long-term operation of existing Generation II nuclear power plants, (ii) the design of the next generation reactors (Generation IV), (iii) the construction of the ITER fusion reactor in Cadarache (France), (iv) and the intermediate and final disposal of nuclear waste. In order to address these challenges, engineers and designers need to know the properties of a wide variety of materials under these conditions and to understand the underlying processes affecting changes in their behavior, in order to assess their performance and to determine the limits of operation. Comprehensive Nuclear Materials, Second Edition, Seven Volume Set provides broad ranging, validated summaries of all the major topics in the field of nuclear material research for fission as well as fusion reactor systems. Attention is given to the fundamental scientific aspects of nuclear materials: fuel and structural materials for fission reactors, waste materials, and materials for fusion reactors. The articles are written at a level that allows undergraduate students to understand the material, while providing active researchers with a ready reference resource of information. Most of the chapters from the first Edition have been revised and updated and a significant number of new topics are covered in completely new material. During the ten years between the two editions, the challenge for applications of nuclear materials has been significantly impacted by world events, public awareness, and technological innovation. Materials play a key role as enablers of new technologies, and we trust that this new edition of Comprehensive Nuclear Materials has captured the key recent developments. Critically reviews the major classes and functions of materials, supporting the selection, assessment, validation and engineering of materials in extreme nuclear environments Comprehensive resource for up-to-date and authoritative information which is not always available elsewhere, even in journals Provides an in-depth treatment of materials modeling and simulation, with a specific focus on nuclear issues Serves as an excellent entry point for students and researchers new to the field

RPV Integrity and Fracture Mechanics

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ISBN 13 :
Total Pages : 164 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis RPV Integrity and Fracture Mechanics by : Dominique Moinereau

Download or read book RPV Integrity and Fracture Mechanics written by Dominique Moinereau and published by . This book was released on 2004 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt: