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The Relationships Between High Temperature Deformation Mechanisms Microstructures And Mechanical Properties In Titanium Alloys
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Book Synopsis The Relationships Between High Temperature Deformation Mechanisms, Microstructures and Mechanical Properties in Titanium Alloys by : Abdus Salam
Download or read book The Relationships Between High Temperature Deformation Mechanisms, Microstructures and Mechanical Properties in Titanium Alloys written by Abdus Salam and published by . This book was released on 1990 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Titanium Alloys written by Jan Sieniawski and published by BoD – Books on Demand. This book was released on 2013-05-15 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book contains six chapters and covers topics dealing with biomedical applications of titanium alloys, surface treatment, relationships between microstructure and mechanical and technological properties, and the effect of radiation on the structure of the titanium alloys.
Book Synopsis High Temperature Mechanical Behavior and Deformation Process of Titanium Alloys with Controlled Microstructures by : Qiang Li
Download or read book High Temperature Mechanical Behavior and Deformation Process of Titanium Alloys with Controlled Microstructures written by Qiang Li and published by . This book was released on 1997 with total page 316 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Deformation and Texture Evolution of Ti-10V-2Fe-3Al by : Juan Zhao
Download or read book The Deformation and Texture Evolution of Ti-10V-2Fe-3Al written by Juan Zhao and published by . This book was released on 2015 with total page 398 pages. Available in PDF, EPUB and Kindle. Book excerpt: Beta titanium alloys form one of the most versatile classes of materials with respect to processing, microstructure, and mechanical properties. Owing to their body centered cubic structure, [beta] titanium alloys offer an attractive alternative to the [alpha]+[beta] and [alpha] alloys as they usually possess higher specific strengths, better heat treat ability, deep hardening properties, and lower processing temperatures. However, beta titanium alloys are very sensitive to deformation parameters and may produce quite different microstructures and further various mechanical properties. It is necessary to explore the effect of deformation parameters on the microstructure evolution, including testing temperature, strain rate and strain.Texture introduced by deformation may produce a strong anisotropy of mechanical and other properties, and can also lead to the localization of these properties. Therefore, in order to make use of the advantages of [beta] titanium alloys, we must also understand the evolution of texture.The aim of this project is to reveal the deformation mechanisms and the evolution of texture during hot deformation in [beta] titanium based on compression tests, optical microscopy (OM), scanning electron microscopy (SEM) and texture evolution by Electron backscattered diffraction (EBSD) and x-ray texture observation.The microstructure, texture and mechanical response of forged Ti-10V-2Fe-3Al plates were investigated. Forged plates of as-received Ti-10V-2Fe-3Al alloy features fine [alpha] phase in large [beta] grains. Yield locus tests were performed which confirmed that [beta] phase {001} 110 texture resulted in lower mechanical anisotropy in the forged plate. The relationship between [alpha] phase and [beta] matrix texture was characterized by EBSD. The Burgers relationship is observed between these two phases in the as-received state, and this is preserved from the forging process and following 760 °C heat treatment. After further heat treatment at 820 °C, both [beta] phase and [alpha] phase form recrystallization textures and the Burgers relationship is no longer obvious. Furthermore, through thickness texture inhomogeneity was studied in the as-received plate. A rotated cube texture is widely spread at the surface, and more intense at quarter thickness and center. At the surface there is a tendency to form the {111} 112 recrystallization texture while in the quarter thickness and center, the restoration mode is mainly recovery.Following solution treatment in single [beta] phase field, deformation in [alpha]+[beta] phase field was performed, which presented a considerable effect on [alpha] phase morphologies. The microstructure of [alpha] phase is basically an evolution of lamellar [alpha] breaking up into shorter lamellar and coarsening into globular morphologies. Dynamic recovery is the main restoration mechanism for [beta] phase. The dominant orientations of beta phase include a strong rotated cube texture and weak 111 orientations parallel to compression direction. The orientation relationship between [alpha] phase and [beta] matrix follows the Burgers relationship and deformation in [alpha]+[beta] phase field does not destroy this orientation relationship.Deformation at above [beta] transus temperature leads to strong 001 and weak 111 textures. With increasing temperature and decreasing strain rate, the 001 texture gets strengthened gradually and 111 orientations show weakening tendency. The volume fractions of dynamic recrystallization are lower than 10% under all the deformation conditions in the single [beta] phase field, showing the main dynamic restoration mechanism is also dynamic recovery at above [beta] transus temperature tested in this thesis. Moreover, deformation parameters show significant effects on microstructure evolution. At low strain rate, dislocation annihilation and dynamic recovery are very effective, resulting in significantly larger subgrain size and less pancaked original grains. Besides dynamic recovery, continuous dynamic recrystallization by progressive lattice rotation is also observed, which occurs at high strain rate and low temperature. Geometric dynamic recrystallization hardly occurs, as HAGB spacing is much larger than the subgrain size at the highest strain of 0.9. Discontinuous dynamic recrystallization is rarely observed in the sing [beta] phase field in Ti-10V-2Fe-3Al.
Book Synopsis Microstructure and Mechanical Properties of Titanium Alloys by : Artur Shugurov
Download or read book Microstructure and Mechanical Properties of Titanium Alloys written by Artur Shugurov and published by Mdpi AG. This book was released on 2021-10-26 with total page 220 pages. Available in PDF, EPUB and Kindle. Book excerpt: Titanium and its alloys are widely used engineering materials within the aerospace, automotive, energy and chemical industries. Their unique combination of high strength-to-weight ratio, strong resistance to creep, excellent corrosion resistance, and low heat conductivity makes them suitable for a wide range of applications. A large variety of microstructures, including lamellar, martensite, equiaxed globular and bimodal (duplex) microstructures can be obtained in titanium alloys depending on the thermomechanical processing routes. Despite a large amount of work in the field of investigation of microstructure evolution and mechanical properties of titanium alloys, detailed studies of the effect of their microstructure on the mechanical behavior are still necessary because of ever-increasing demands for structural materials to optimize their properties for different applications by varying processing parameters and resulting microstructures. This Special Issue is focused on various aspects of microstructure evolution in titanium alloy samples obtained using traditional and additive technologies and subjected to different processing techniques as well as on the relation between their microstructure and mechanical behavior. The presented original articles cover the areas of preparation and experimental characterization of titanium alloys as well as computer simulation of their mechanical behavior under different loading conditions.
Book Synopsis Recrystallization and Related Annealing Phenomena by : F.J. Humphreys
Download or read book Recrystallization and Related Annealing Phenomena written by F.J. Humphreys and published by Elsevier. This book was released on 2012-12-02 with total page 520 pages. Available in PDF, EPUB and Kindle. Book excerpt: The annealing of deformed materials is of both technological importance and scientific interest. The phenomena have been most widely studied in metals, although they occur in all crystalline materials such as the natural deformation of rocks and the processing of technical ceramics. Research is mainly driven by the requirements of industry, and where appropriate, the book discusses the extent to which we are able to formulate quantitative, physically-based models which can be applied to metal-forming processes. The subjects treated in this book are all active research areas, and form a major part of at least four regular international conference series. However, there have only been two monographs published in recent times on the subject of recrystallization, the latest nearly 20 years ago. Since that time, considerable advances have been made, both in our understanding of the subject and in the techniques available to the researcher. The book covers recovery, recrystallization and grain growth in depth including specific chapters on ordered materials, two-phase alloys, annealing textures and annealing during and after hot working. Also contained are treatments of the deformed state and the structure and mobility of grain boundaries, technologically important examples and a chapter on computer simulation and modelling. The book provides a scientific treatment of the subject for researchers or students in Materials Science, Metallurgy and related disciplines, who require a more detailed coverage than is found in textbooks on physical metallurgy, and a more coherent treatment than will be found in the many conference proceedings and review articles.
Book Synopsis The Relationship of Microstructure and Mechanical Properties of Extruded Titanium Alloy Bars to the Prior Deformation Processing History by : Fred J. Gurney
Download or read book The Relationship of Microstructure and Mechanical Properties of Extruded Titanium Alloy Bars to the Prior Deformation Processing History written by Fred J. Gurney and published by . This book was released on 1971 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt: The inter-relation of extrusion process variables with mechanical properties and microstructure is analyzed for three titanium alloys (Ti-5Al-2.5Sn, Ti-6Al-4V and Ti-13V-11Cr-3Al). Information is obtained from duplicate billets which were extruded at same conditions with one extruded bar allowed to air cool and the other bar water quenched immediately after extrusion. Results indicate that significant reduction in deformation loads can be achieved in alpha and alpha-beta titanium alloys by processing them in the beta temperature range. Resultant metallurgical structures and mechanical properties (room temperature tensile and Charpy V notch impact) are found to not be significantly affected by process variables other than preheat temperature and product cooling rate. In alpha and alpha-beta alloys, the room temperature strength properties of beta processed and water quenched product is significantly improved over those of beta processed and air cooled product and somewhat improved over those for alpha-beta processed followed by either air cooling or water quenching. Mechanical properties from the beta alloy are not significantly affected by process temperature or by product cooling rate except for some anomalous behavior in the 2050F processing temperature range. (Author).
Book Synopsis Titanium and Titanium Alloys by : Christoph Leyens
Download or read book Titanium and Titanium Alloys written by Christoph Leyens and published by John Wiley & Sons. This book was released on 2006-03-06 with total page 532 pages. Available in PDF, EPUB and Kindle. Book excerpt: This handbook is an excellent reference for materials scientists and engineers needing to gain more knowledge about these engineering materials. Following introductory chapters on the fundamental materials properties of titanium, readers will find comprehensive descriptions of the development, processing and properties of modern titanium alloys. There then follows detailed discussion of the applications of titanium and its alloys in aerospace, medicine, energy and automotive technology.
Book Synopsis Hot Working Guide by : Y. V. R. K. Prasad
Download or read book Hot Working Guide written by Y. V. R. K. Prasad and published by ASM International. This book was released on 1997-01-01 with total page 566 pages. Available in PDF, EPUB and Kindle. Book excerpt: A unique source book with flow stress data for hot working, processing maps with metallurgical interpretation and optimum processing conditions for metals, alloys, intermetallics, and metal matrix composites. The use of this book replaces the expensive and time consuming trial and error methods in process design and product development.
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 Deformation-mechanism Maps by : H. J. Frost
Download or read book Deformation-mechanism Maps written by H. J. Frost and published by Pergamon. This book was released on 1982 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Low Temperature Creep of Titanium Alloys by : Neeraj Srinivas Thirumalai
Download or read book Low Temperature Creep of Titanium Alloys written by Neeraj Srinivas Thirumalai and published by . This book was released on 2000 with total page 640 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Titanium Alloys written by Maciej Motyka and published by BoD – Books on Demand. This book was released on 2019-11-27 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt: Titanium alloys, due to unique physical and chemical properties (mainly high relative strength combined with very good corrosion resistance), are considered as an important structural metallic material used in hi-tech industries (e.g. aerospace, space technology). This book provides information on new manufacturing and processing methods of single- and two-phase titanium alloys. The eight chapters of this book are distributed over four sections. The first section (Introduction) indicates the main factors determining application areas of titanium and its alloys. The second section (Manufacturing, two chapters) concerns modern production methods for titanium and its alloys. The third section (Thermomechanical and surface treatment, three chapters) covers problems of thermomechanical processing and surface treatment used for single- and two-phase titanium alloys. The fourth section (Machining, two chapters) describes the recent results of high speed machining of Ti-6Al-4V alloy and the possibility of application of sustainable machining for titanium alloys.
Book Synopsis Effect of Microstructure on the Room Temperature Tensile and Creep Deformation Mechanisms of Alpha-beta Titanium Alloys by :
Download or read book Effect of Microstructure on the Room Temperature Tensile and Creep Deformation Mechanisms of Alpha-beta Titanium Alloys written by and published by . This book was released on 2005 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Austenitic Steels at Low Temperatures by : T. Horiuchi
Download or read book Austenitic Steels at Low Temperatures written by T. Horiuchi and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt: The need for alternate energy sources has led to the develop ment of prototype fusion and MHD reactors. Both possible energy systems in current designs usually require the use of magnetic fields for plasma confinement and concentration. For the creation and maintenance of large 5 to 15 tesla magnetic fields, supercon ducting magnets appear more economical. But the high magnetic fields create large forces, and the complexities of the conceptual reactors create severe space restrictions. The combination of re quirements, plus the desire to keep construction costs at a mini mum, has created a need for stronger structural alloys for service at liquid helium temperature (4 K). The complexity of the required structures requires that these alloys be weldable. Furthermore, since the plasma is influenced by magnetic fields and since magnet ic forces from the use of ferromagnetic materials in many configur ations may be additive, the best structural alloy for most applica tions should be nonmagnetic. These requirements have led to consideration of higher strength austenitic steels. Strength increases at low temperatures are achieved by the addition of nitrogen. The stability of the austenitic structure is retained by adding manganese instead of nickel, which is more expensive. Research to develop these higher strength austenitic steels is in process, primarily in Japan and the United States.
Book Synopsis Joining of Titanium by : Robert Edward Monroe
Download or read book Joining of Titanium written by Robert Edward Monroe and published by . This book was released on 1967 with total page 86 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report supplies information on joining processes applicable to titanium and its alloys in sheet metal applications, primarily related directly to airframe construction. Although the material presented here does not cover all titanium joining processes, and omits such processes as plasma-arc, submerged-arc, electroslag, flash, and high-frequency resistance welding, the data presented cover materials up to 2-inches thick in some cases and the report should be useful to anyone seeking titanium joining information. The joining processes covered fall into five categories: welding, brazing, metallurgical bonding (diffusion and deformation bonding), adhesive bonding, and mechanical fastening. The fusion welding processes that are discussed in detail include gas tungsten arc, gas metal arc, arc spot, and electron beam. The resistance processes give extended coverage are spot, roll spot, and seam welding. (Author).
Download or read book Titanium written by Gerd Lütjering and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 385 pages. Available in PDF, EPUB and Kindle. Book excerpt: The authors were motivated to prepare this book by the absence of any recent comprehensive book on titanium. The intent of this book is to provide a modern compendium that addresses both the phyical metallurgy as well as the applications of titanium. Until now the only book on this subject is that by Zwicker which was written in German and published almost 30 years ago. Chapter 1 is an introduction to the subject including some historical aspects of titanium. Chapter 2 is a s- mary of the Fundamental Aspects of Titanium, Chapter 3 is a summary of the Technological Aspects of Titanium and Chapters 4 through 9 address the specifics of the various classes of titanium ranging from CP Titanium to Titanium Matrix Composites. Finally, Chapter 10 covers “special” properties and applications of titanium. Our intent has been to address the subject conceptually rather than provide quantities of data of the sort that would be found in a Handbook. It is our intent that this book is useful for materials scientists and engineers interested in using titanium and for students either as a sourcebook or as a textbook. We have - tempted to include a representative set of references which provide additional detail for readers interested in specific aspects of titanium. Because of the re- tively recent growth of the technological importance of titanium, there is a vo- minous literature on titanium. While our references span this literature it has proven impossible to mention every contribution.
