Microstructure Of Martensite
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Microstructure Of Martensite
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Author : Kaushik Bhattacharya
language : en
Publisher: Oxford University Press
Release Date : 2003-11-06
Microstructure Of Martensite written by Kaushik Bhattacharya and has been published by Oxford University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003-11-06 with Computers categories.
Martensites are crystalline solids that display dazzling patterns at the microscopic scales. This microstructure gives rise to unusual macroscopic properties like the shape-memory effect. Starting with the crystalline structure, this book describes a theoretical framework for studying martensites and uses the theory to explain why these materials form microstructure. The macrostructure consequences of the microstructure are subsequently discussed. Complete with a piece of shape-memory wire and numerous examples from real materials, this book represents a successful case study in multiscale modeling, giving a clear understanding of the link between microstructure and macrostructure properties. Beautifully written, in a most clear and pedagogical manner, it holds appeal for a broad audience. On the one hand, it introduces modern modeling techniques to those trained in materials science, mechanics and physics and shows how these techniques can be used in real-world problems. On the other hand, it introduces physical phenomena to those trained in mathematics, and demonstrates how such phenomena give rise to interesting mathematical problems.
Bainite And Martensite
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Author : Carlos Garcia-Mateo
language : en
Publisher: MDPI
Release Date : 2020-05-27
Bainite And Martensite written by Carlos Garcia-Mateo and has been published by MDPI this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-05-27 with Technology & Engineering categories.
The microstructures of both martensite and bainite, although sharing some common features, depict a plethora of subtle differences that made them unique when studied in further detail. Tailoring the final properties of a microstructure based on one or the other as well as in combination with others and exploring more sophisticated concepts, such as Q&P and nanostructured bainite, are the topics which are the focus of research around the world. In understanding the key microstructural parameters controlling the final properties as well as definition of adequate process parameters to attain the desired microstructures requires that a proper understanding of the mechanism ruling their transformation and a detailed characterization first be acheived. The development of new and powerful scientific techniques and equipment (EBSD, APT, HRTEM, etc.) allow us to gain fundamental insights that help to establish some of the principles by which those microstructures are known. The developments accompanying such findings lead to further developments and intensive research providing the required metallurgical support.
Structure Of Martensitic Carbon Steels And Changes In The Microstructure Which Occur Upon Tempering
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Author : Henry S. Rawdon
language : en
Publisher:
Release Date : 1922
Structure Of Martensitic Carbon Steels And Changes In The Microstructure Which Occur Upon Tempering written by Henry S. Rawdon and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1922 with Carbon steel categories.
Bainite In Steels
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Author : Harshad Kumar Dharamshi Hansraj Bhadeshia
language : en
Publisher: Maney Publishing
Release Date : 2001
Bainite In Steels written by Harshad Kumar Dharamshi Hansraj Bhadeshia and has been published by Maney Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with Science categories.
The second edition of this modern classic encompasses the latest research, which sees bainitic alloys at the forefront of a new wave of "designed" steels. Contents include: Nomenclature; Introduction; Bainitic Ferrite; Carbide Precipitation; Tempering of Bainite; Thermodynamics; Kinetics; Upper and Lower Bainite; Stress and Strain Effects; Reverse Transformation from Bainite to Austenite; Acicular Ferrite; Other Morphologies of Bainite; Mechanical Properties; Modern Bainitic Alloys;Other Aspects; The Transformation of Steel.
Proceedings Of The International Conference On Martensitic Transformations Chicago
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Author : Aaron P. Stebner
language : en
Publisher: Springer
Release Date : 2018-04-11
Proceedings Of The International Conference On Martensitic Transformations Chicago written by Aaron P. Stebner and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-04-11 with Technology & Engineering categories.
This collection is organized around the central theme of “Martensite by Design.” Contributions include design, microstructure, properties, advanced processing and manufacturing, performance, phase transformations, and characterization.
Bainite And Martensite Developments And Challenges
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Author : Carlos Garcia-Mateo
language : en
Publisher:
Release Date : 2020
Bainite And Martensite Developments And Challenges written by Carlos Garcia-Mateo and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020 with Engineering (General). Civil engineering (General) categories.
The microstructures of both martensite and bainite, although sharing some common features, depict a plethora of subtle differences that made them unique when studied in further detail. Tailoring the final properties of a microstructure based on one or the other as well as in combination with others and exploring more sophisticated concepts, such as Q&P and nanostructured bainite, are the topics which are the focus of research around the world. In understanding the key microstructural parameters controlling the final properties as well as definition of adequate process parameters to attain the desired microstructures requires that a proper understanding of the mechanism ruling their transformation and a detailed characterization first be acheived. The development of new and powerful scientific techniques and equipment (EBSD, APT, HRTEM, etc.) allow us to gain fundamental insights that help to establish some of the principles by which those microstructures are known. The developments accompanying such findings lead to further developments and intensive research providing the required metallurgical support.
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.
Steels
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Author : Robert William Kerr Honeycombe
language : en
Publisher: John Wiley & Sons
Release Date : 1996-02-12
Steels written by Robert William Kerr Honeycombe 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 1996-02-12 with Technology & Engineering categories.
The properties of steels depend critically on their microstructure. By examining the mechanical properties of steels in conjunction with microstructure, the first edition gave a clear description of the development and behavior of these materials - the very foundation of their widespread use. This new edition more explicitly links this theory with applications while retaining the style and purpose of its predecessor.
Microstructure And Texture In Steels
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Author : Arunansu Haldar
language : en
Publisher: Springer Science & Business Media
Release Date : 2009-09-03
Microstructure And Texture In Steels written by Arunansu Haldar and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-09-03 with Technology & Engineering categories.
Microstructure and Texture in Steels and Other Materials comprises a collection of articles pertaining to experimental and theoretical aspects of the evolution of crystallographic texture and microstructure during processing of steels and some other materials. Among the topics covered is the processing-microstructure-texture-property relationship in various kinds of steels, including the latest grade. Special emphasis has been given to introduce recent advances in the characterization of texture and microstructure, as well as modeling. The papers included are written by well-known experts from academia and industrial R and D, which will provide the reader with state-of-the-art, in-depth knowledge of the subject. With these attributes, Microstructure and Texture in Steels and Other Materials is expected to serve the cause of creating awareness of current developments in microstructural science and materials engineering among academic and R and D personnel working in the field.