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Modeling Of Creep Deformation And Creep Fracture
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Book Synopsis Modeling of Creep Deformation and Creep Fracture by : Qiang Xu
Download or read book Modeling of Creep Deformation and Creep Fracture written by Qiang Xu and published by . This book was released on 2019 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This chapter reports the recent progresses in (1) the development of a modified hyperbolic sine law able to depict the minimum creep strain rate over a wider range of stress levels; (2) the development of the creep fracture criterion and model based on the cavity area fraction along grain boundary calibrated with the most representative and comprehensive cavitation data obtained from X-ray synchrotron investigation; and (3) the development of mesoscopic composite approach modeling of creep deformation and creep damage. The first progress facilitates to overcome the difficulty in creep deformation modeling caused by stress breakdown phenomenon; the second progress is of a really scientifically sound and fundamental new approach, first in the world; the third progress provides the concept and tool, at the appropriate size scale, for the modeling of the creep deformation and creep fracture. They all contribute to the specific knowledge and new methodology to the topic area. Furthermore, it is expected that cavitation fracture modeling methodology reported here will find use in the analysis and modeling of other types of failure such as ductile and fatigue failure. This chapter presents an excellent example of interdisciplinary collaborative research and it advocates further such collaboration in its conclusion.
Book Synopsis Creep and High Temperature Deformation of Metals and Alloys by : Stefano Spigarelli
Download or read book Creep and High Temperature Deformation of Metals and Alloys written by Stefano Spigarelli and published by MDPI. This book was released on 2019-12-12 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt: By the late 1940s, and since then, the continuous development of dislocation theories have provided the basis for correlating the macroscopic time-dependent deformation of metals and alloys—known as creep—to the time-dependent processes taking place within the metals and alloys. High-temperature deformation and stress relaxation effects have also been explained and modeled on similar bases. The knowledge of high-temperature deformation as well as its modeling in conventional or unconventional situations is becoming clearer year by year, with new contemporary and better performing high-temperature materials being constantly produced and investigated. This book includes recent contributions covering relevant topics and materials in the field in an innovative way. In the first section, contributions are related to the general description of creep deformation, damage, and ductility, while in the second section, innovative testing techniques of creep deformation are presented. The third section deals with creep in the presence of complex loading/temperature changes and environmental effects, while the last section focuses on material microstructure–creep correlations for specific material classes. The quality and potential of specific materials and microstructures, testing conditions, and modeling as addressed by specific contributions will surely inspire scientists and technicians in their own innovative approaches and studies on creep and high-temperature deformation.
Book Synopsis Strength of Materials by : Hector Jaramillo S.
Download or read book Strength of Materials written by Hector Jaramillo S. and published by BoD – Books on Demand. This book was released on 2020-03-25 with total page 202 pages. Available in PDF, EPUB and Kindle. Book excerpt: In materials, their strength is the ability to bear an applied load before their failure. In this direction, the Strength of Materials studies the stresses and deformations that happen in materials as an outcome of loads acting on them. The book contains eleven peer-reviewed chapters organized into two sections. Section 1 is focused on the strength of metals and composites materials, in other words on traditional materials used in engineering projects. Section 2 contains chapters on sustainable materials or non-conventional materials. We sincerely hope that you enjoy this book and the contents will help in the dissemination of knowledge to researchers and students working with materials and their applications.
Book Synopsis Creep and Damage in Materials and Structures by : Holm Altenbach
Download or read book Creep and Damage in Materials and Structures written by Holm Altenbach and published by Springer. This book was released on 2014-05-04 with total page 354 pages. Available in PDF, EPUB and Kindle. Book excerpt: This textbook gives a concise survey of constitutive and structural modeling for high temperature creep, damage, low – cycle fatigue and other inelastic conditions. The book shows the creep and continuum damage mechanics as rapidly developing discipline which interlinks the material science foundations, the constitutive modeling and computer simulation application to analysis and design of simple engineering components. It is addressed to young researchers and scientists working in the field of mechanics of inelastic, time-dependent materials and structures, as well as to PhD students in computational mechanics, material sciences, mechanical and civil engineering.
Book Synopsis Modeling of Creep for Structural Analysis by : Konstantin Naumenko
Download or read book Modeling of Creep for Structural Analysis written by Konstantin Naumenko and published by Springer Science & Business Media. This book was released on 2007-04-06 with total page 220 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book develops methods to simulate and analyze the time-dependent changes of stress and strain states in engineering structures up to the critical stage of creep rupture. The objective of this book is to review some of the classical and recently proposed approaches to the modeling of creep for structural analysis applications. It also aims to extend the collection of available solutions of creep problems by new, more sophisticated examples.
Book Synopsis Perspectives in Creep Fracture by : M. F. Ashby
Download or read book Perspectives in Creep Fracture written by M. F. Ashby and published by Elsevier. This book was released on 2014-05-23 with total page 181 pages. Available in PDF, EPUB and Kindle. Book excerpt: Perspectives in Creep Fracture is a collection of studies that covers the advances in the analysis of the mechanisms involved in the process of creep fracture. The book presents nine articles that present data and discuss the theoretical advancement in the field. The text first covers the mechanisms leading to fracture in metals and ceramics, and then proceeds to tackling the problem of the nucleation of creep damage. Next, the book details the models for the growth of cracks and voids by diffusion and by plastic processes. The next two chapters deal with the creep fracture of ceramics. In the eighth chapters, the text examines the development and propagation of creep cracks. The last chapter details the theory involved in the propagation of cracks by cavitation. The book will be of great interest to researchers and practitioners of materials engineering, metallurgy, and other fields involved in fracture mechanics.
Download or read book Design for Creep written by R.K. Penny and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 439 pages. Available in PDF, EPUB and Kindle. Book excerpt: Our rationale for the second edition remains the same as for the first edition, which appeared over twenty years ago. This is to offer simplified, useful and easily understood methods for dealing with the creep of components operating under conditions met in practice. When the first edition was written, we could not claim that the methods which were introduced were well-tried. They were somewhat conjectural, although firmly based, but not sufficiently well devel oped. Since that time, the Reference Stress Methods (RSM) introduced in the book have received much scrutiny and development. The best recognition we could have of the original methods is the fact that they are now firmly embedded in codes of practice. Hopefully, we have now gone a long way towards achieving our original objectives. There are major additions to this second edition which should help to justify our claims. These include further clarification regarding Reference Stress Methods in Chapter 4. There are also new topics which depend on RSM in varying degrees: • Creep fracture is covered in Chapter 7, where methods for assessing creep crack initiation and crack growth are fully described. This chapter starts with a review of the basic concepts of fracture mechanics and follows with useful, approximate methods, compatible with the needs of design for creep and the availability of standard data. • Creep/fatigue interactions and environmental effects appear in Chapter 8.
Book Synopsis Dislocation-based Modeling of Creep Deformation and Fracture in Modified 9Cr-1Mo Steels by : Mehdi Basirat
Download or read book Dislocation-based Modeling of Creep Deformation and Fracture in Modified 9Cr-1Mo Steels written by Mehdi Basirat and published by . This book was released on 2018 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt: The very high-temperature reactor (VHTR) represents the next generation of high temperature gas-cooled reactors designed for the future nuclear power plants. The VHTR is operated at higher pressure and temperature for longer time compared with the Pressurized Water Reactors (PWRs). Modified 9Cr-1Mo steel is a suitable candidate material for VHTR pressure vessels. Although 9Cr-1Mo steel has good creep resistance, its microstructure degrades during manufacturing processes such as welding or high temperature operation. Hence, investigating the creep resistance of welded 9Cr-1Mo steel is crucial. In this research, a micromechanical model is developed for the evaluation of creep deformation and rupture times of modified 9Cr-1Mo steel specimens. Creep deformation in metals is generally induced by dislocation generation, motion, and annihilation. Evolution of the dislocation density was modeled by considering the generation and annihilation of single and dipole dislocations. In addition to dislocation motion, there are several other factors which determine the creep resistance of this steel. Among these, the most significant are precipitate coarsening, solid solutions depletion, and void/crack nucleation and growth. The evolution of these mechanisms was accounted for by introducing specific continuum damage terms. In this study a one-dimensional (1-D) model was successfully applied to specimens made of the as-received 9Cr-1Mo steel. Comparison of the numerical model results with experimental data showed satisfactory agreement. However, a 1-D model has several limitations including applicability limitation to only 1-D stress state problems, and the inability of studying components made of more than one material. Therefore, developing a three-dimensional (3-D) comprehensive model is required to meet the objective of this research which was the prediction of creep life in welded joints made of modified 9Cr-1Mo steel. The developed 1-D model was modified and implemented in the commercial finite element software ABAQUS by means of a User Material Subroutine (UMAT). The creep of welded 9Cr-1Mo specimens was simulated by considering different material behavior in the heat affected zone (HAZ) and the welded material. Several creep experiments were conducted on 9Cr-1Mo welded specimens. The tensile creep tests were performed at a temperature range of 550-700 °C and stress level of 80-200 MPa. Finally, simulation results were compared to experiments, and excellent agreement was obtained between experiments and simulations.
Book Synopsis Creep and Fracture in High Temperature Components by : European Creep Collaborative Committee
Download or read book Creep and Fracture in High Temperature Components written by European Creep Collaborative Committee and published by DEStech Publications, Inc. This book was released on 2005 with total page 1136 pages. Available in PDF, EPUB and Kindle. Book excerpt: Provides information from around the world on creep in multiple high-temperature metals, alloys, and advanced materials.
Book Synopsis Fracture at High Temperatures by : Hermann Riedel
Download or read book Fracture at High Temperatures written by Hermann Riedel and published by Springer. This book was released on 2014-01-13 with total page 430 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Creep and Fracture of Engineering Materials and Structures by : T. Sakuma
Download or read book Creep and Fracture of Engineering Materials and Structures written by T. Sakuma and published by Trans Tech Publications Ltd. This book was released on 1999-10-12 with total page 888 pages. Available in PDF, EPUB and Kindle. Book excerpt: Volume is indexed by Thomson Reuters CPCI-S (WoS). Recent research on the creep and fracture of engineering materials is presented, with particular emphasis being placed on: mechanisms of high-temperature deformation and fracture, materials for high-temperature service, the behavior of single and polycrystals, components and structures, grain boundaries and interfaces, and superplasticity.
Book Synopsis IUTAM Symposium on Creep in Structures by : S. Murakami
Download or read book IUTAM Symposium on Creep in Structures written by S. Murakami and published by Springer Science & Business Media. This book was released on 2013-11-27 with total page 541 pages. Available in PDF, EPUB and Kindle. Book excerpt: These proceedings contain 48 innovative papers consolidating the development of creep research since 1990 and discussing the new horizons in this fundamental field of applied mechanics in the coming century. This volume is useful for researchers and graduate course students in the relevant fields.
Book Synopsis Creep and Fracture of Ice by : Erland M. Schulson
Download or read book Creep and Fracture of Ice written by Erland M. Schulson and published by Cambridge University Press. This book was released on 2009-04-30 with total page 403 pages. Available in PDF, EPUB and Kindle. Book excerpt: The first complete account of the physics of the creep and fracture of ice, for graduates, engineers and scientists.
Book Synopsis Deformation and Evolution of Life in Crystalline Materials by : Xijia Wu
Download or read book Deformation and Evolution of Life in Crystalline Materials written by Xijia Wu and published by CRC Press. This book was released on 2019-04-09 with total page 404 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book walks you through the fundamental deformation and damage mechanisms. It lends the reader the key to open the doors into the maze of deformation/fracture phenomena under various loading conditions. Furthermore it provides the solution method to material engineering design and analysis problems, for those working in the aerospace, automotive or energy industries. The book introduces the integrated creep-fatigue theory (ICFT) that considers holistic damage evolution from surface/subsurface crack nucleation to propagation in coalescence with internally-distributed damage/discontinuities.
Book Synopsis Fundamentals of Creep in Metals and Alloys by : Michael E. Kassner
Download or read book Fundamentals of Creep in Metals and Alloys written by Michael E. Kassner and published by Elsevier. This book was released on 2004-04-06 with total page 289 pages. Available in PDF, EPUB and Kindle. Book excerpt: * Numerous line drawings with consistent format and units allow easy comparison of the behavior of a very wide range of materials * Transmission electron micrographs provide a direct insight in the basic microstructure of metals deforming at high temperatures * Extensive literature review of over 1000 references provide an excellent reference document, and a very balanced discussion Understanding the strength of materials at a range of temperatures is critically important to a huge number of researchers and practitioners from a wide range of fields and industry sectors including metallurgists, industrial designers, aerospace R&D personnel, and structural engineers. The most up-to date and comprehensive book in the field, Fundamentals of Creep in Metals and Alloys discusses the fundamentals of time-dependent plasticity or creep plasticity in metals, alloys and metallic compounds. This is the first book of its kind that provides broad coverage of a range of materials not just a sub-group such as metallic compounds, superalloys or crystals. As such it presents the most balanced view of creep for all materials scientists. The theory of all of these phenomena are extensively reviewed and analysed in view of an extensive bibliography that includes the most recent publications in the field. All sections of the book have undergone extensive peer review and therefore the reader can be sure they have access to the most up-to-date research, fully interrogated, from the world’s leading investigators. · Numerous line drawings with consistent format and units allow easy comparison of the behavior of a very wide range of materials· Transmission electron micrographs provide a direct insight in the basic microstructure of metals deforming at high temperatures· Extensive literature review of over 1000 references provide an excellent reference document, and a very balanced discussion
Book Synopsis Advances in Creep Design by : Alastair Ian Smith
Download or read book Advances in Creep Design written by Alastair Ian Smith and published by Halsted Press. This book was released on 1971 with total page 526 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Applied Creep Mechanics by : Thomas H. Hyde
Download or read book Applied Creep Mechanics written by Thomas H. Hyde and published by McGraw Hill Professional. This book was released on 2014 with total page 386 pages. Available in PDF, EPUB and Kindle. Book excerpt: Complete coverage of design and life assessment methods for high-temperature components Applied Creep Mechanics fully discusses the time-dependent deformation which occurs in a metal when subjected to stress at an elevated temperature. This book explains how to perform detailed analyses of welded components; assess the conditions under which cracks may initiate and grow; and extract valuable information about the current state of the material, which may have been in service for many years. This practical guide provides tested techniques for improving the design and life assessment methods for.
