Fractographic And Microstructural Analysis Of Fatigue Specimens Of A302 Grade B Steel Tested In Air At Room Temperature
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Fractographic And Microstructural Analysis Of Fatigue Specimens Of A302 Grade B Steel Tested In Air At Room Temperature
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Author : G. Gabetta
language : en
Publisher:
Release Date : 1979
Fractographic And Microstructural Analysis Of Fatigue Specimens Of A302 Grade B Steel Tested In Air At Room Temperature written by G. Gabetta and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1979 with Nuclear pressure vessels categories.
Fractographic And Microstructural Analysis Of Fatigue Specimens Of A302 Grade B Steel Tested In Air At Room Temperature
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Author : G. Gabetta
language : en
Publisher:
Release Date : 1979
Fractographic And Microstructural Analysis Of Fatigue Specimens Of A302 Grade B Steel Tested In Air At Room Temperature written by G. Gabetta and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1979 with Nuclear pressure vessels categories.
Microscopic studies were undertaken to characterize the failure processes and to establish correlations with fatigue crack propagation data of Type A302-B ferritic steel tested in air at room temperature. A cooperative program was established between the Naval Research Laboratory (NRL) and the Centro Informazioni Studi Esperienze (CISE) to investigate the fatigue properties of this ferritic steel for nuclear pressure vessel applications. Failed specimens have been examined by scanning electron microscopy (SEM), by metallographic techniques, and by energy dispersive x-ray microanalysis. SEM examination of the fracture surfaces of specimens cut in the T-L direction revealed the presence of inclusion bands above an observed delta K threshold value. Subsequent x-ray image scans and corresponding energy spectra showed that the bands were manganese-sulfide inclusions. The inclusions bands resulted in increased crack growth rate in these specimens compared to those cut in the L-T orientation specimens. The delta K threshold value necessary to activate the inclusion bands is thought to be a measure of the cohesive strength between the inclusions and the material matrix. The failure mode of all the specimens tested was transgranular; extensive microcracking was also present in the fracture surfaces. The microcracking did not appear to have affected the crack propagation behavior. (Author).
Technical Abstract Bulletin
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Author :
language : en
Publisher:
Release Date :
Technical Abstract Bulletin written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on with Science categories.
Structural Integrity Of Water Reactor Pressure Boundary Components
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Author :
language : en
Publisher:
Release Date : 1980
Structural Integrity Of Water Reactor Pressure Boundary Components written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with Materials categories.
A Review Of Fatigue Crack Growth Of Pressure Vessel And Piping Steels In High Temperature Pressurized Reactor Grade Water
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Author : W. H. Cullen
language : en
Publisher:
Release Date : 1980
A Review Of Fatigue Crack Growth Of Pressure Vessel And Piping Steels In High Temperature Pressurized Reactor Grade Water written by W. H. Cullen and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with Fractography categories.
Fatigue crack growth data sets, for pressure vessel and piping steels, in reactor-grade water environment have appeared in various reports and publications since about 1972. All of the results which have been published from 1972 through 1979 have been plotted and are presented in this report. Beginning with a discussion of the need for these data, and an explanation of the laboratory facilities which are required for this research, this report goes on to describe the overall trends which have evolved through consideration of the data sets and the conditions under which they were generated. A model for hydrogen assisted fatigue crack growth is described and applied to the pressurized water reactor type of environment. A complete listing of references is included in the report. (Author).
Alloys Index
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Author :
language : en
Publisher:
Release Date : 1981
Alloys Index written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1981 with Alloys categories.
Monthly Catalog Of United States Government Publications
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Author :
language : en
Publisher:
Release Date : 1982
Monthly Catalog Of United States Government Publications written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1982 with Government publications categories.
R D Abstracts
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Author : Technology Reports Centre (Great Britain)
language : en
Publisher:
Release Date : 1980
R D Abstracts written by Technology Reports Centre (Great Britain) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with categories.
Inis Atomindex
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Author :
language : en
Publisher:
Release Date : 1985
Inis Atomindex written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985 with Nuclear energy categories.
Metals Abstracts
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Author :
language : en
Publisher:
Release Date : 1982
Metals Abstracts written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1982 with Metallurgy categories.