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Evolution Of Microstructure During Long Term Creep Of A Tempered Martensite Ferritic Steel
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Book Synopsis Evolution of Microstructure During Long-term Creep of a Tempered Martensite Ferritic Steel by : Ali Aghajani Bazazi
Download or read book Evolution of Microstructure During Long-term Creep of a Tempered Martensite Ferritic Steel written by Ali Aghajani Bazazi and published by . This book was released on 2009 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Evolution of Microstructure during Long‐term Creep of a Tempered Martensite Ferritic Steel by : Ali Aghajani Bazazi
Download or read book Evolution of Microstructure during Long‐term Creep of a Tempered Martensite Ferritic Steel written by Ali Aghajani Bazazi and published by Cuvillier Verlag. This book was released on 2009-12-08 with total page 118 pages. Available in PDF, EPUB and Kindle. Book excerpt: Tempered martensite ferritic steels are used for critical components in fossil fired power plants that operate in the creep range. The materials contain a high density of dislocations and precipitates form on all types of internal interfaces, the majority of which represent subgrain boundaries. Most previous studies suffer from either only relating to short term creep experiments or from being incomplete in not considering all relevant elements of the microstructure. No systematic effort was made to investigate the evolution of microstructures under conditions of long term creep. In the present study the evolution of the microstructure of a 12% Cr tempered martensite ferritic steel was investigated under conditions of long term aging and creep. Transmission electron microscopy (TEM) and electron back scattered diffraction (EBSD) techniques were used to characterize materials from interrupted creep tests (0.5%, 1%, 1.6% and rupture at 11.9%; creep conditions: 550°C, 120 MPa, rupture time: 139 971 h). It is shown that subgrains coarsen, that the close correlation between carbides and subgrain boundaries loosens during long term creep, and that the frequency of small angle boundaries increases. In addition, the evolution of dislocation densities during long term aging and creep was studied using high angle annular dark field (HAADF) scanning transmission electron microscopy (STEM). During aging the dislocation density remains constant, while during long term creep the dislocation density continuously decreases. All these elementary deformation processes have already been discussed in short term creep studies. The present study shows that they also govern long term creep, however, during long term creep, precipitation and coarsening reactions occur which are not observed during short term creep. Cr rich M23C6, VX carbides and Laves phase were identified as the major precipitates in the microstructure of the 12% Chromium tempered martensite ferritic steel. Their chemical compositions, sizes, volume fractions and number densities were evaluated in all interrupted specimens. M23C6 particles coarsen and establish their equilibrium concentration after 51072 hours. VX particles are stable. The Laves phase particles do not reach thermodynamic equilibrium as they form and grow during long term creep. This is due to Silicon which is found in the Laves phase particles and which diffuses slowly in the steel matrix.
Book Synopsis Quantitative SEM Analysis of the Evolution of Microstructure in Tempered Martensite Ferritic Steels During Creep and High Temperature Fracture by : Shirin Fahimi
Download or read book Quantitative SEM Analysis of the Evolution of Microstructure in Tempered Martensite Ferritic Steels During Creep and High Temperature Fracture written by Shirin Fahimi and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :The Minerals, Metals & Materials Society (TMS) Publisher :John Wiley & Sons ISBN 13 :1119027993 Total Pages :1073 pages Book Rating :4.1/5 (19 download)
Book Synopsis Proceedings of the 2014 Energy Materials Conference by : The Minerals, Metals & Materials Society (TMS)
Download or read book Proceedings of the 2014 Energy Materials Conference written by The Minerals, Metals & Materials Society (TMS) and published by John Wiley & Sons. This book was released on 2015-04-06 with total page 1073 pages. Available in PDF, EPUB and Kindle. Book excerpt: This DVD contains a collection of papers presented at EnergyMaterials 2014, a conference organized jointly by The ChineseSociety for Metals (CSM) and The Minerals, Metals & MaterialsSociety (TMS), and held November 4-6, 2014, in Xi’an, ShaanxiProvince, China. With the rapid growth of the world’s energyproduction and consumption, the important role of energy materialshas achieved worldwide acknowledgement. Material producers andconsumers constantly seek the possibility of increasing strength,improving fabrication and service performance, simplifyingprocesses, and reducing costs. Energy Materials 2014 has provided aforum for academics, researchers, and engineers around the world toexchange state-of-the-art development and information on issuesrelated to energy materials. The papers on the DVD are organized around the followingtopics: Materials for Coal-Based Systems Materials for Gas Turbine Systems Materials for Nuclear Systems Materials for Oil and Gas Materials for Pressure Vessels
Book Synopsis Energy Materials 2014 by : The Minerals, Metals & Materials Society (TMS)
Download or read book Energy Materials 2014 written by The Minerals, Metals & Materials Society (TMS) and published by Springer. This book was released on 2017-03-16 with total page 899 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Materials and Processes Technologies V by : Jing Tao Han
Download or read book Materials and Processes Technologies V written by Jing Tao Han and published by Trans Tech Publications Ltd. This book was released on 2014-06-06 with total page 2870 pages. Available in PDF, EPUB and Kindle. Book excerpt: Collection of selected, peer reviewed papers from the 2014 International Conference on Manufacturing Science and Engineering (ICMSE 2014), April 19-20, 2014, Shanghai, China. The 508 papers are grouped as follows: Chapter 1: Alloys and Non-Ferrous Materials, Chapter 2: Iron and Steel, Chapter 3: Composites, Chapter 4: Micro/Nano Materials and Technologies, Chapter 5: Ceramics, Chapter 6: Optical/Electronic/Magnetic Materials and Technologies, Chapter 7: Building and Construction Research, Chapter 8: Environment-Friendly Materials, Chapter 9: Biomaterials and Bioresearch, Chapter 10: Polymer Materials, Chapter 11: Film Materials, Chapter 12: Textile Materials and Technologies, Chapter 13: Corrosion and Surface Treatment Technology, Chapter 14: Materials Mechanical Behavior and Fracture, Chapter 15: Surface Engineering / Coatings Technology, Chapter 16: Forming Technologies, Chapter 17: Material Machining, Chapter 18: Welding and Joining, Chapter 19: Micro-Fabrication Techniques, Chapter 20: Laser Processing Technology, Chapter 21: Machining Tools, Testing Technologies and Error Measurement, Chapter 22: Modeling, Analysis and Simulation of Processes, Chapter 23: Thermal Engineering Theory and Applications, Chapter 24: Mineral and Soil Mining and Processing
Book Synopsis 9-12Cr Heat-Resistant Steels by : Wei Yan
Download or read book 9-12Cr Heat-Resistant Steels written by Wei Yan and published by Springer. This book was released on 2015-05-27 with total page 223 pages. Available in PDF, EPUB and Kindle. Book excerpt: With China becoming a major force in steel research and development, this book highlights the work of a group from the Chinese Academy of Sciences, led by the first four authors. This group has the ideal knowledge base for writing this updated book on heat-resistant steels. The fifth author, Sha, based in the UK, has been collaborating with the Chinese group since 2009 and is the lead or sole author of four research books, all published in English. The last book, “Steels: from materials science to structural engineering,” was published by Springer in 2013. Within two months of its publication, researchers at the University of Science and Technology Liaoning had requested translation of the book into Chinese. Springer obliged, and the Chinese version was published by the Metallurgical Industry Press, Beijing, in August 2014. Sha has organized and completed the writing of the proposed book, though the main research was done in China.
Book Synopsis Advances in Machinery, Materials Science and Engineering Application IX by : M. Chen
Download or read book Advances in Machinery, Materials Science and Engineering Application IX written by M. Chen and published by IOS Press. This book was released on 2023-11-14 with total page 1172 pages. Available in PDF, EPUB and Kindle. Book excerpt: New engineering materials, techniques and applications are constantly being researched and developed, and keeping up to speed with the latest advances is crucial for engineers if they are to successfully address the challenges they face in their work. This book presents the selected proceedings of MMSE2023, the 9th International Conference on Advances in Machinery, Materials Science and Engineering Applications, jointly organized by the SAE-Supmeca, France and China University of Geosciences (Wuhan) and held on 22 and 23 July 2023 in Wuhan, China. For the past 12 years, this annual conference has collated recent advances and experiences, identified emerging trends and provided a platform for participants from academia and industry to exchange information and views, helping to address the world’s machinery and engineering challenges. The book contains 4 sections: mechanical engineering, material science and manufacturing technology; electrical engineering, automation and control; modeling, simulation and optimization techniques in engineering; and advanced engineering technologies and applications. A total of 241 submissions were received for MMSE2023, of which 151 papers were selected for the conference and for publication by means of a rigorous international peer-review process. These papers present exciting ideas and methods that will open novel research directions for different communities. Offering a current overview of the latest research and applications in machinery and materials-science engineering, the book will be of interest to all those working in the field.
Book Synopsis Joint EPRI – 123HiMAT International Conference on Advances in High-Temperature Materials by : J. Shingledecker
Download or read book Joint EPRI – 123HiMAT International Conference on Advances in High-Temperature Materials written by J. Shingledecker and published by ASM International. This book was released on 2019-10-01 with total page 1500 pages. Available in PDF, EPUB and Kindle. Book excerpt: Proceedings from: EPRI’s 9th International Conference on Advances in Materials Technology for Fossil Power Plants and the 2nd International 123HiMAT Conference on High-Temperature Materials
Book Synopsis Proceedings of the 6th International Conference on Recrystallization and Grain Growth (ReX&GG 2016) by : Elizabeth Holm
Download or read book Proceedings of the 6th International Conference on Recrystallization and Grain Growth (ReX&GG 2016) written by Elizabeth Holm and published by Springer. This book was released on 2016-11-22 with total page 315 pages. Available in PDF, EPUB and Kindle. Book excerpt: This collection represents a cross-section of the papers presented at the 6th International Conference on Recrystallization and Grain Growth. The volume is divided into nine sections: • Grain growth theory and simulation • Recrystallization theory and simulation • Low carbon and IF steels • High strength steels • Electrical steels • Stainless steels • Aluminum and magnesium alloys • Nickel and nickel based superalloys • Unconventional and advanced materials
Book Synopsis Issues in Materials and Manufacturing Research: 2013 Edition by :
Download or read book Issues in Materials and Manufacturing Research: 2013 Edition written by and published by ScholarlyEditions. This book was released on 2013-05-01 with total page 1234 pages. Available in PDF, EPUB and Kindle. Book excerpt: Issues in Materials and Manufacturing Research: 2013 Edition is a ScholarlyEditions™ book that delivers timely, authoritative, and comprehensive information about Additional Research. The editors have built Issues in Materials and Manufacturing Research: 2013 Edition on the vast information databases of ScholarlyNews.™ You can expect the information about Additional Research in this book to be deeper than what you can access anywhere else, as well as consistently reliable, authoritative, informed, and relevant. The content of Issues in Materials and Manufacturing Research: 2013 Edition has been produced by the world’s leading scientists, engineers, analysts, research institutions, and companies. All of the content is from peer-reviewed sources, and all of it is written, assembled, and edited by the editors at ScholarlyEditions™ and available exclusively from us. You now have a source you can cite with authority, confidence, and credibility. More information is available at http://www.ScholarlyEditions.com/.
Book Synopsis Creep-Resistant Steels by : Fujio Abe
Download or read book Creep-Resistant Steels written by Fujio Abe and published by Elsevier. This book was released on 2008-03-14 with total page 701 pages. Available in PDF, EPUB and Kindle. Book excerpt: Creep-resistant steels are widely used in the petroleum, chemical and power generation industries. Creep-resistant steels must be reliable over very long periods of time at high temperatures and in severe environments. Understanding and improving long-term creep strength is essential for safe operation of plant and equipment. This book provides an authoritative summary of key research in this important area.The first part of the book describes the specifications and manufacture of creep-resistant steels. Part two covers the behaviour of creep-resistant steels and methods for strengthening them. The final group of chapters analyses applications in such areas as turbines and nuclear reactors.With its distinguished editors and international team of contributors, Creep-resistant steels is a valuable reference for the power generation, petrochemical and other industries which use high strength steels at elevated temperatures. Describes the specifications and manufacture of creep-resistant steels Strengthening methods are discussed in detail Different applications are analysed including turbines and nuclear reactors
Book Synopsis Advances in Materials Technology for Fossil Power Plants by : D. Gandy and J. Shingledecker
Download or read book Advances in Materials Technology for Fossil Power Plants written by D. Gandy and J. Shingledecker and published by ASM International. This book was released on 2014-01-01 with total page 1520 pages. Available in PDF, EPUB and Kindle. Book excerpt: Conference proceedings covering the latest technology developments for fossil fuel power plants, including nickel-based alloys for advanced ultrasupercritical power plants, materials for turbines, oxidation and corrosion, welding and weld performance, new alloys concepts, and creep and general topics.
Book Synopsis Microstructural Evolution in a Ferritic-martensitic Stainless Steel and Its Relation to High-temperature Deformation and Rupture Models by :
Download or read book Microstructural Evolution in a Ferritic-martensitic Stainless Steel and Its Relation to High-temperature Deformation and Rupture Models written by and published by . This book was released on 1991 with total page 19 pages. Available in PDF, EPUB and Kindle. Book excerpt: The ferritic-martensitic stainless steel HT-9 exhibits an anomalously high creep strength in comparison to its high-temperature flow strength from tensile tests performed at moderate rates. A constitutive relation describing its high-temperature tensile behavior over a wide range of conditions has been developed. When applied to creep conditions the model predicts deformation rates orders of magnitude higher than observed. To account for the observed creep strength, a fine distribution of precipitates is postulated to evolve over time during creep. The precipitate density is calculated at each temperature and stress to give the observed creep rate. The apparent precipitation kinetics thereby extracted from this analysis is used in a model for the rupture-time kinetics that compares favorably with observation. Properly austenitized and tempered material was aged over times comparable to creep conditions, and in a way consistent with the precipitation kinetics from the model. Microstructural observations support the postulates and results of the model system. 16 refs., 10 figs.
Book Synopsis Power Plant Life Management and Performance Improvement by : John E Oakey
Download or read book Power Plant Life Management and Performance Improvement written by John E Oakey and published by Elsevier. This book was released on 2011-09-28 with total page 705 pages. Available in PDF, EPUB and Kindle. Book excerpt: Coal- and gas-based power plants currently supply the largest proportion of the world’s power generation capacity, and are required to operate to increasingly stringent environmental standards. Higher temperature combustion is therefore being adopted to improve plant efficiency and to maintain net power output given the energy penalty that integration of advanced emissions control systems cause. However, such operating regimes also serve to intensify degradation mechanisms within power plant systems, potentially affecting their reliability and lifespan.Power plant life management and performance improvement critically reviews the fundamental degradation mechanisms that affect conventional power plant systems and components, as well as examining the operation and maintenance approaches and advanced plant rejuvenation and retrofit options that the industry are applying to ensure overall plant performance improvement and life management.Part one initially reviews plant operation issues, including fuel flexibility, condition monitoring and performance assessment. Parts two, three and four focus on coal boiler plant, gas turbine plant, and steam boiler and turbine plant respectively, reviewing environmental degradation mechanisms affecting plant components and their mitigation via advances in materials selection and life management approaches, such as repair, refurbishment and upgrade. Finally, part five reviews issues relevant to the performance management and improvement of advanced heat exchangers and power plant welds.With its distinguished editor and international team of contributors, Power plant life management and performance improvement is an essential reference for power plant operators, industrial engineers and metallurgists, and researchers interested in this important field. Provides an overview of the improvements to plant efficiency in coal- and gas-based power plants Critically reviews the fundamental degradation mechanisms that affect conventional power plant systems and components, noting mitigation routes alongside monitoring and assessment methods Addresses plant operation issues including fuel flexibility, condition monitoring and performance assessment
Book Synopsis Structural Integrity Assessment by : Raghu V. Prakash
Download or read book Structural Integrity Assessment written by Raghu V. Prakash and published by Springer. This book was released on 2019-07-31 with total page 858 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume contains selected papers from the Second Quadrennial International Conference on Structural Integrity (ICONS-2018). The papers cover important topics related to structural integrity of critical installations, such as power plants, aircrafts, spacecrafts, defense and civilian components. The focus is on assuring safety of operations with high levels of reliability and structural integrity. This volume will be of interest to plant operators working with safety critical equipment, engineering solution providers, software professionals working on engineering analysis, as well as academics working in the area.
Book Synopsis Characterization of Minerals, Metals, and Materials 2020 by : Jian Li
Download or read book Characterization of Minerals, Metals, and Materials 2020 written by Jian Li and published by Springer Nature. This book was released on 2020-01-23 with total page 723 pages. Available in PDF, EPUB and Kindle. Book excerpt: This collection gives broad and up-to-date results in the research and development of materials characterization and processing. Topics covered include advanced characterization methods, minerals, mechanical properties, coatings, polymers and composites, corrosion, welding, magnetic materials, and electronic materials. The book explores scientific processes to characterize materials using modern technologies, and focuses on the interrelationships and interdependence among processing, structure, properties, and performance of materials.
