Evolution Of Microstructure During Long Term Creep Of A Tempered Martensite Ferritic Steel
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Evolution Of Microstructure During Long Term Creep Of A Tempered Martensite Ferritic Steel
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Author : Ali Aghajani Bazazi
language : en
Publisher:
Release Date : 2009
Evolution Of Microstructure During Long Term Creep Of A Tempered Martensite Ferritic Steel written by Ali Aghajani Bazazi and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with categories.
Evolution Of Microstructure During Long Term Creep Of A Tempered Martensite Ferritic Steel
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Author : Ali Aghajani Bazazi
language : en
Publisher: Cuvillier Verlag
Release Date : 2009-12-08
Evolution Of Microstructure During Long Term Creep Of A Tempered Martensite Ferritic Steel written by Ali Aghajani Bazazi and has been published by Cuvillier Verlag this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-12-08 with Technology & Engineering categories.
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.
Energy Materials 2014
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Author : The Minerals, Metals & Materials Society (TMS)
language : en
Publisher: Springer
Release Date : 2017-03-16
Energy Materials 2014 written by The Minerals, Metals & Materials Society (TMS) and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-03-16 with Technology & Engineering categories.
Proceedings Of The 2014 Energy Materials Conference
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Author : The Minerals, Metals & Materials Society (TMS)
language : en
Publisher: John Wiley & Sons
Release Date : 2015-04-15
Proceedings Of The 2014 Energy Materials Conference written by The Minerals, Metals & Materials Society (TMS) and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-04-15 with Technology & Engineering categories.
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
9 12cr Heat Resistant Steels
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Author : Wei Yan
language : en
Publisher: Springer
Release Date : 2015-05-27
9 12cr Heat Resistant Steels written by Wei Yan and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-05-27 with Technology & Engineering categories.
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.
Issues In Materials And Manufacturing Research 2013 Edition
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Author :
language : en
Publisher: ScholarlyEditions
Release Date : 2013-05-01
Issues In Materials And Manufacturing Research 2013 Edition written by and has been published by ScholarlyEditions this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-05-01 with Technology & Engineering categories.
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/.
Advances In Machinery Materials Science And Engineering Application Ix
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Author : M. Chen
language : en
Publisher: IOS Press
Release Date : 2023-11-14
Advances In Machinery Materials Science And Engineering Application Ix written by M. Chen and has been published by IOS Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-11-14 with Technology & Engineering categories.
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.
Advances In Materials Technology For Fossil Power Plants
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Author : D. Gandy and J. Shingledecker
language : en
Publisher: ASM International
Release Date : 2014-01-01
Advances In Materials Technology For Fossil Power Plants written by D. Gandy and J. Shingledecker and has been published by ASM International this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-01-01 with Electronic books categories.
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.
Joint Epri 123himat International Conference On Advances In High Temperature Materials
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Author : J. Shingledecker
language : en
Publisher: ASM International
Release Date : 2019-10-01
Joint Epri 123himat International Conference On Advances In High Temperature Materials written by J. Shingledecker and has been published by ASM International this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-10-01 with Technology & Engineering categories.
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
Proceedings Of The 6th International Conference On Recrystallization And Grain Growth Rex Gg 2016
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Author : Elizabeth Holm
language : en
Publisher: Springer
Release Date : 2016-11-22
Proceedings Of The 6th International Conference On Recrystallization And Grain Growth Rex Gg 2016 written by Elizabeth Holm and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-11-22 with Technology & Engineering categories.
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