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The Influence Of Long Range Residual Stress On The Cleavage Fracture Of Ferritic Steel
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Book Synopsis The Influence of Long-range Residual Stress on the Cleavage Fracture of Ferritic Steel by : Christopher John Aird
Download or read book The Influence of Long-range Residual Stress on the Cleavage Fracture of Ferritic Steel written by Christopher John Aird and published by . This book was released on 2009 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Combined Effects of Residual Stress and Warm Prestressing on Cleavage Fracture in Steels by : Karin Rosahl
Download or read book The Combined Effects of Residual Stress and Warm Prestressing on Cleavage Fracture in Steels written by Karin Rosahl and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: When the structural integrity of the reactor pressure vessel (RPV) in a pressurised water re- actor (PWR) is analysed, certain types of postulated accidents have to be considered. The conditions during a loss-of-coolant accident (LOCA) resemble a warm prestressing (WPS) sce- nario. Warm prestressing refers to a prior overload sequence which in certain circumstances improves the fracture resistance of a ferritic steel structure. Furthermore, a RPV is a welded structure. The welding process gives rise to residual stresses (RS) that can have a significant influence on the integrity of the RPV. Tensile residual stresses are often regarded as unwanted and detrimental. Previous work has not studied the combined effects of WPS and RS on the fracture behaviour of ferritic steel components. The purpose of this dissertation is to explore the combined effects of WPS and RS by means of robust statistical techniques. To describe the effects of WPS, two models are investigated. A local model using the near crack tip stresses and strains (often called the Beremin model) is usually used to predict the fracture probability of as-received material and can be adapted to include the effects of WPS. However, this requires the use of a detailed finite element analysis. The Chell model, on the other hand, is a deterministic model developed to explain the beneficial effects ofWPS on fracture toughness. Using a Monte Carlo (MC) simulation approach, the Chell model is extended to enable failure probability distributions to be determined. The failure probabilities are compared with both experimental data from the literature and results of an experimental test programme on compact tension specimens. It is found that the MCS approach used in conjunction with the Chell model provides robust and accurate predictions of the failure probability following WPS. To extend the analysis to include residual stress, a novel preloading rig model for introducing a known tensile RS into laboratory fracture specimens is investigated. It is found that the Chell model is to be preferred over the Beremin model. The Chell model provides robust and accurate predictions of the fracture behaviour after WPS, yet its application is straight forward and less time expensive than the Beremin model. The combined effects of WPS and a tensile RS field on the failure probabilities can be analysed by combining the Chell model with the preloading rig model and applying a Monte Carlo simulation approach. Contrary to expectations, it is shown that a tensile RS field can have a significant beneficial effect on the failure distribution after WPS.
Book Synopsis Modeling of Cleavage Fracture in Connections of Welded Steel Moment Resistant Frames by : CG. Matos
Download or read book Modeling of Cleavage Fracture in Connections of Welded Steel Moment Resistant Frames written by CG. Matos and published by . This book was released on 2003 with total page 25 pages. Available in PDF, EPUB and Kindle. Book excerpt: This study applies an advanced micro-mechanics model of cleavage fracture in ferritic steels to examine the fracture behavior of welded, moment resistant steel frames of the type widely constructed prior to the Northridge earthquake. The Weibull stress model for cleavage, coupled with 3-D analyses of connections containing crack-like defects, provides a quantitative estimate of the cumulative failure probabilities with increasing beam moment. A set of previously conducted, 15 full-scale tests on T-connections of the pre-Northridge design provide fracture moments to calibrate parameters of the Weibull stress model. Once calibrated, the model is used to examine the importance of welding-induced residual stresses in the lower-flange and the effects of seismic loading rates. The model predicts the cumulative failure probability as a function of beam moment for these various configurations.
Book Synopsis Handbook of Residual Stress and Deformation of Steel by : George E. Totten
Download or read book Handbook of Residual Stress and Deformation of Steel written by George E. Totten and published by ASM International. This book was released on 2002 with total page 496 pages. Available in PDF, EPUB and Kindle. Book excerpt: Annotation Examines the factors that contribute to overall steel deformation problems. The 27 articles address the effect of materials and processing, the measurement and prediction of residual stress and distortion, and residual stress formation in the shaping of materials, during hardening processes, and during manufacturing processes. Some of the topics are the stability and relaxation behavior of macro and micro residual stresses, stress determination in coatings, the effects of process equipment design, the application of metallo- thermo-mechanic to quenching, inducing compressive stresses through controlled shot peening, and the origin and assessment of residual stresses during welding and brazing. Annotation c. Book News, Inc., Portland, OR (booknews.com)
Book Synopsis Fracture of Nano and Engineering Materials and Structures by : E.E. Gdoutos
Download or read book Fracture of Nano and Engineering Materials and Structures written by E.E. Gdoutos and published by Springer Science & Business Media. This book was released on 2008-01-08 with total page 1452 pages. Available in PDF, EPUB and Kindle. Book excerpt: The 16th European Conference of Fracture (ECF16) was held in Greece, July, 2006. It focused on all aspects of structural integrity with the objective of improving the safety and performance of engineering structures, components, systems and their associated materials. Emphasis was given to the failure of nanostructured materials and nanostructures including micro- and nano-electromechanical systems (MEMS and NEMS).
Book Synopsis Constraint and Ductile Tearing Effects on the Cleavage Fracture of Ferritic Steel by : Jason Paul Petti
Download or read book Constraint and Ductile Tearing Effects on the Cleavage Fracture of Ferritic Steel written by Jason Paul Petti and published by . This book was released on 2004 with total page 326 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Influence of Warm Prestressing and Proof Loading on the Cleavage Fracture Toughness of Ferritic Steels by : Hamish Fowler
Download or read book The Influence of Warm Prestressing and Proof Loading on the Cleavage Fracture Toughness of Ferritic Steels written by Hamish Fowler and published by . This book was released on 1998 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fracture behaviour of ferritic steel under the action of combined mechanical and residual stress loading by : Alexander James Price
Download or read book Fracture behaviour of ferritic steel under the action of combined mechanical and residual stress loading written by Alexander James Price and published by . This book was released on 2008 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fatigue and Fracture Mechanics by : Tina Louise Panontin
Download or read book Fatigue and Fracture Mechanics written by Tina Louise Panontin and published by ASTM International. This book was released on 1999 with total page 922 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Applied Mechanics Reviews written by and published by . This book was released on 1988 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1987 with total page 1124 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Metals Abstracts written by and published by . This book was released on 1998 with total page 1076 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Influence of Plastic Rate Sensitivity on Cleavage Fracture Initiation in Ferritic Steels by :
Download or read book Influence of Plastic Rate Sensitivity on Cleavage Fracture Initiation in Ferritic Steels written by and published by . This book was released on 2003 with total page 23 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Influence of Carbide/ferrite Interface and Carbide Shape on Cleavage Fracture Initiation in Ferritic Steels by :
Download or read book Influence of Carbide/ferrite Interface and Carbide Shape on Cleavage Fracture Initiation in Ferritic Steels written by and published by . This book was released on 2003 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Elastic-Plastic Fracture by : C. F. Shih
Download or read book Elastic-Plastic Fracture written by C. F. Shih and published by ASTM International. This book was released on 1983 with total page 840 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Encyclopedia of Iron, Steel, and Their Alloys (Online Version) by : Rafael Colás
Download or read book Encyclopedia of Iron, Steel, and Their Alloys (Online Version) written by Rafael Colás and published by CRC Press. This book was released on 2016-01-06 with total page 3918 pages. Available in PDF, EPUB and Kindle. Book excerpt: The first of many important works featured in CRC Press’ Metals and Alloys Encyclopedia Collection, the Encyclopedia of Iron, Steel, and Their Alloys covers all the fundamental, theoretical, and application-related aspects of the metallurgical science, engineering, and technology of iron, steel, and their alloys. This Five-Volume Set addresses topics such as extractive metallurgy, powder metallurgy and processing, physical metallurgy, production engineering, corrosion engineering, thermal processing, metalworking, welding, iron- and steelmaking, heat treating, rolling, casting, hot and cold forming, surface finishing and coating, crystallography, metallography, computational metallurgy, metal-matrix composites, intermetallics, nano- and micro-structured metals and alloys, nano- and micro-alloying effects, special steels, and mining. A valuable reference for materials scientists and engineers, chemists, manufacturers, miners, researchers, and students, this must-have encyclopedia: Provides extensive coverage of properties and recommended practices Includes a wealth of helpful charts, nomograms, and figures Contains cross referencing for quick and easy search Each entry is written by a subject-matter expert and reviewed by an international panel of renowned researchers from academia, government, and industry. Also Available Online This Taylor & Francis encyclopedia is also available through online subscription, offering a variety of extra benefits for researchers, students, and librarians, including: Citation tracking and alerts Active reference linking Saved searches and marked lists HTML and PDF format options Contact Taylor and Francis for more information or to inquire about subscription options and print/online combination packages. US: (Tel) 1.888.318.2367; (E-mail) [email protected] International: (Tel) +44 (0) 20 7017 6062; (E-mail) [email protected]
Book Synopsis The Analysis of Fracture Mechanisms of Ferritic Steel 13HMF at Low Temperatures by : A. Neimitz
Download or read book The Analysis of Fracture Mechanisms of Ferritic Steel 13HMF at Low Temperatures written by A. Neimitz and published by . This book was released on 2010 with total page 19 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this paper, the transition from a ductile fracture mechanism to a cleavage fracture mechanism is analyzed. Microscopic observations of the domains in front of a crack were followed by numerical analysis. The microscopic observations were accompanied by analysis of the fracture surfaces. Both the influences of temperature and an in-plane constraint on the mechanism transition were taken into account. The numerical analyses were carried out using two different models of a crack: Stationary and propagating. The direct, simultaneous influence of the level of the opening stress maximum, the characteristic distance in front of the crack tip, and the level of plastic strain on the ductile-cleavage transition have been confirmed.
