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Author : T. P. Sarathy
Publisher :
ISBN 13 :
Total Pages : 196 pages
Book Rating : 4.:/5 (297 download)
Download or read book Characterization of Superplastic Deformation written by T. P. Sarathy and published by . This book was released on 1992 with total page 196 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Joy Adair Hines
Publisher :
ISBN 13 :
Total Pages : 186 pages
Book Rating : 4.:/5 (318 download)
Download or read book Deformation Characterization and Microstructural Evaluation of a Superplastic 2 Mole % Yttria Stabilized Tetragonal Zirconia written by Joy Adair Hines and published by . This book was released on 1993 with total page 186 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jon-Pierre Kuhlhoff
Publisher :
ISBN 13 :
Total Pages : 168 pages
Book Rating : 4.:/5 (33 download)
Download or read book Experimental Characterization of Superplastic Materials Over Large Strain-rate Ranges written by Jon-Pierre Kuhlhoff and published by . This book was released on 1995 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Michael Lloyd Meier
Publisher :
ISBN 13 :
Total Pages : 372 pages
Book Rating : 4.:/5 (33 download)
Download or read book Characterization of the Superplastic Behavior of the Two Phase Ti-6A1-4V Alloy written by Michael Lloyd Meier and published by . This book was released on 1986 with total page 372 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 312 pages
Book Rating : 4.:/5 (227 download)
Download or read book Metallurgical Characterization of Superplastic Forming written by and published by . This book was released on 1980 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt: A systematic characterization of the superplasticity for regular- grade Ti-6Al-4V, ELI-grade Ti-6Al-4V, simulated coil-rolled Ti-6Al-4V, Ti-3Al-2. 5V, Ti-6Al-2Sn-4Zr-2Mo, Ti-8Al-1Mo-1V, and Ti-15V-3Cr-3Sn-3Al sheets with several different microstructures and texture was performed. The effects of alloy chemistry, grain size, volume fraction of constituent phases, and anomalous microstructures on the superplastic parameters were determined by incremental strain-rate, constant stress, constant strain rate and biaxial constant stress cone-forming tests. The strain-rate time (or equivalently, strain) dependences of flow stress and strain-rate sensitivity were identified as the most important superplasticity parameters, with the continuous changes in alloy microstructures during superplastic deformation requiring proper consideration. In the alpha-beta and near-alpha titanium alloys, the flow stress decreases and necking resistance increase with decreasing grain size at 850-950 F (1562 - 1742 F) with increasing strain and time the flow stress at constant strainrate increases and the strain rate at constant applied stress decreases as a consequence of increasing grain size. Ti-6Al-4V alloys with elongated-alpha have significantly higher flow stress than equiaxed regular grade Ti-6Al-4V. The flow stress at a constant strain rate of different alpha-beta alloys is uniquely related to grain size, beta transus temperature, and volume fractions of constituent phases at the test temperature.
Author : Oscar A. Kaibyshev
Publisher : Springer Science & Business Media
ISBN 13 : 3642846734
Total Pages : 327 pages
Book Rating : 4.6/5 (428 download)
Download or read book Superplasticity of Alloys, Intermetallides and Ceramics written by Oscar A. Kaibyshev and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 327 pages. Available in PDF, EPUB and Kindle. Book excerpt: Superplasticity is shown to be a universal phenomenon in materials ranging from metals and intermetallics to ceramics. Superplastic deformation facilitates the production of materials with specifically chosen properties. This is illustrated using the examples of Mg-, Al-, and Ti-based commercial alloys, steels, and superalloys. Some of the strenghts of this book are: the broad range of materials studied, the reduction of scientific results to a form suitable for the practitioner, a profound physical analysis of the phenomenon, a new approach to superplastic treatment as a kind of strain-heat treatment, the presentation of new data on superplastic flow and on production techniques of micro- and submicrocrystalline structures.
Author : Gary Milton Sweezy
Publisher :
ISBN 13 :
Total Pages : 150 pages
Book Rating : 4.:/5 (414 download)
Download or read book Design of a Bulge Forming System Equipped with Digital Image Processing for Characterization of Superplastic Deformation written by Gary Milton Sweezy and published by . This book was released on 1998 with total page 150 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 2 pages
Book Rating : 4.:/5 (227 download)
Download or read book An Investigation of the Processing, High Temperature Deformation and Fracture Characteristics of Superplastic Ceramics written by and published by . This book was released on 1992 with total page 2 pages. Available in PDF, EPUB and Kindle. Book excerpt: The considerable interest in using ceramics for structural applications is constrained in large part by the difficulty in forming ceramics in useful component shapes. Superplasticity, a term referring to the ability of some fine grained crystalline materials to deform extensively, is being used commercially to form metallic components with complex shapes. It may be possible to use this phenomenon to form structural ceramics. This proposal outlines a three year, detailed, fundamental research program to investigate processing and mechanical properties of fine grained structural superplastic ceramics with the appropriate characterization. We will use an alkoxide synthesis technique to process the structural ceramics, and evaluate the high temperature mechanical properties in both tension and compression. The microstructural aspects of superplastic deformation and cavitation failure will be examined using x-ray diffraction, optical, scanning electron and transmission electron microscopy. It is anticipated that the present experimental study will substantially improve the understanding of superplasticity in structural ceramics, and this is likely to enhance the prospects of using this phenomenon for forming ceramics.
Author : K. A. Padmanabhan
Publisher : Springer
ISBN 13 : 3642319572
Total Pages : 526 pages
Book Rating : 4.6/5 (423 download)
Download or read book Superplasticity written by K. A. Padmanabhan and published by Springer. This book was released on 2018-12-08 with total page 526 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book combines the perspectives of materials science of Superplasticity, on the one hand, and those of design and mechanics, on the other, in order to provide a holistic view of materials, design, mechanics and performance which will lead to useful solutions of societal benefits, in addition to providing great intellectual challenges. After considering the experimental evidence for superplasticity in different classes of materials, the book discusses the physics-based models, along with their advantages and limitations. Then, the analyses for superplastic forming available in the framework of continuum mechanics, finite element analysis and numerical simulations are presented. Finally, the authors highlight some successful industrial applications. This book is recommended as a text book for courses on Superplasticity and as supplementary use for courses on Materials Processing, Manufacturing, High Temperature Deformation, Nanotechnology and Mechanical Behavior of Materials. Persons working in Department of Materials Science and Engineering, Physics, Mechanics, Mechanical Engineering, Aerospace Engineering, Metallurgy, Ceramics and Geo-sciences are likely to find the book to be useful. It is also recommended as a reference source for practicing engineers involved in the design, processing and manufacture of industrial components, which exploit the unique properties associated with superplastic materials.
Author : K Anantha Padmanabhan
Publisher : Springer Science & Business Media
ISBN 13 : 3642814565
Total Pages : 331 pages
Book Rating : 4.6/5 (428 download)
Download or read book Superplasticity written by K Anantha Padmanabhan and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 331 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is the second book in a new series - "Materials Research and Engineering" - devoted to the science and technology of materials. "Materials Research and Engineering" evolves from a previous series on "Reine und Allgemeine Metallkunde", which was edited by Werner KBster until his eightieth birthday in 1976. Although the present series is an outgrowth of the earlier one, it should not and cannot be regarded as a continuation. There had to be a shift of scope - and a change in presenta tion as well. Metallurgy is no longer an isolated art and science. Rather, it is linked by its scientific basis and technological implications to non-metallic and composite materials, as well as to processes for production, refining, shaping, surface treatment, and application. Thus, the new series, "Materials Research and Engineering", will present up-to-date information on scientific and technological pro gress, as well as on issues of general relevance within the engineering field and industrial society. Following the general position analysis of materials in the present world as given in volume 1, now volume 2 focuses on a special topic: It provides a thorough treatment of theoretical, experimental, and applied aspects of superplasticity.
Author : Wenjie Fan
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (123 download)
Download or read book Flow Behavior and Microstructural Evolution During Superplastic Deformation of AA8090 Aluminum-lithium Alloy written by Wenjie Fan and published by . This book was released on 1998 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Kevin Ewsuk
Publisher : John Wiley & Sons
ISBN 13 : 1118406044
Total Pages : 486 pages
Book Rating : 4.1/5 (184 download)
Download or read book Characterization and Control of Interfaces for High Quality Advanced Materials written by Kevin Ewsuk and published by John Wiley & Sons. This book was released on 2012-04-11 with total page 486 pages. Available in PDF, EPUB and Kindle. Book excerpt: Interface characterization and control are critical in the design and manufacture of high quality advanced materials, particularly, for nanomaterials. This proceedings features papers on interface science and technology that provide a unique and state-of-the art perspective on interface characterization and control. Articles from scientists and engineers from 11 different countries address interface control, high temperature interfaces, nanoparticle design, nanotechnology, suspension control, novel processing, particulate materials, microstructure, and hot gas cleaning. This unique volume will serve as a valuable reference for scientists and engineers interested in interfaces, particulate materials, and nanotechnology. Proceedings of the International Conference on ICCCI 2003, Kurashiki, Japan, 2003; Ceramic Transactions, Volume 146.
Author : K.A. Padmanabhan
Publisher : Springer Science & Business Media
ISBN 13 : 366204367X
Total Pages : 374 pages
Book Rating : 4.6/5 (62 download)
Download or read book Superplastic Flow written by K.A. Padmanabhan and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 374 pages. Available in PDF, EPUB and Kindle. Book excerpt: Superplasticity is the ability of polycrystalline materials under certain conditions to exhibit extreme tensile elongation in a nearly homogeneous/isotropic manner. Historically, this phenomenon was discovered and systematically studied by metallurgists and physicists. They, along with practising engineers, used materials in the superplastic state for materials forming applications. Metallurgists concluded that they had the necessary information on superplasticity and so theoretical studies focussed mostly on understanding the physical and metallurgi cal properties of superplastic materials. Practical applications, in contrast, were led by empirical approaches, rules of thumb and creative design. It has become clear that mathematical models of superplastic deformation as well as analyses for metal working processes that exploit the superplastic state are not adequate. A systematic approach based on the methods of mechanics of solids is likely to prove useful in improving the situation. The present book aims at the following. 1. Outline briefly the techniques of mechanics of solids, particularly as it applies to strain rate sensitive materials. 2. Assess the present level of investigations on the mechanical behaviour of superplastics. 3. Formulate the main issues and challenges in mechanics ofsuperplasticity. 4. Analyse the mathematical models/constitutive equations for superplastic flow from the viewpoint of mechanics. 5. Review the models of superplastic metal working processes. 6. Indicate with examples new results that may be obtained using the methods of mechanics of solids.
Download or read book Flow Behavior and Microstructural Evolution During Superplastic Deformation of AA8090 Aluminum-lithium Alloy written by and published by . This book was released on 1906 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Superplasticity in AA8090 Al-Li alloy has been a subject of extensive studies, due to its potential for commercial applications since last decade. However, the anisotropy and microstructural gradient existing in this material introduce additional complication in understanding the mechanisms for superplastic deformation and has resulted in a debate about the role of dislocation activity. This has necessitated a more detailed microstructural study, especially texture, than that is commonly required to understand the deformation mechanism in other superplastic materials. Attempt has been made in this investigation to achieve this by means of microstructural characterization of specimens deformed in ten ion by using optical microscopy, TEM, SEM and orientation imaging microscopy (OIM). The microstructural characterization of the as-received material showed that there were three distinct layers in the cross-section of the sheet. Pancake grains in the center layer of about 1/3 thickness with brass-type texture, and nearly equiaxed grains on either side of it of about 1/3 thickness with copper texture. Tensile tests were conducted over a temperature range of $25{-}570\sp\circ$C and a strain rate range of $\rm 1 \times 10\sp{-4}{-}1 \times 10\sp{-2}/s.$ Optimum superplastic conditions were found in a temperature range of 500-530$\sp\circ$C and in a strain rate range of $\rm 1 \times 10\sp{-4}{-}1 \times 10\sp{-3}/s.$ These deformation conditions yielded the maximum value of strain rate sensitivity index $\rm(m \approx 0.5)$ and the minimum value of instability parameter (I). During superplastic deformation, there occurred grain growth, texture weakening and change in grain shape. The disappearance of initial microstructural gradient occurred at a strain of about 1.0. The relationship between grain size (d) and strain $(\varepsilon)$ could be expressed as $\rm d\propto\varepsilon\sp{q}, $ with the value of exponent q ranging from 0.21-0.44 depending on the test temperature. T.
Author : Noha Mohamed Hassan
Publisher :
ISBN 13 :
Total Pages : 294 pages
Book Rating : 4.:/5 (65 download)
Download or read book Deformation and Limit Strain Analysis of Superplastic Materials Using Finite Elements written by Noha Mohamed Hassan and published by . This book was released on 2000 with total page 294 pages. Available in PDF, EPUB and Kindle. Book excerpt: " ... this research is part of research project entitled "An integrated model for net-shape fabrication of high strength aluminum structure" ..."
Author : Thomas M. Twigg
Publisher :
ISBN 13 :
Total Pages : 296 pages
Book Rating : 4.:/5 (299 download)
Download or read book Real Time Characterization of Superplastic Materials Through a Computerized Tension-torsion Testing Machine written by Thomas M. Twigg and published by . This book was released on 1993 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ghader Faraji
Publisher : Elsevier
ISBN 13 : 0128135670
Total Pages : 324 pages
Book Rating : 4.1/5 (281 download)
Download or read book Severe Plastic Deformation written by Ghader Faraji and published by Elsevier. This book was released on 2018-07-14 with total page 324 pages. Available in PDF, EPUB and Kindle. Book excerpt: Severe Plastic Deformation: Methods, Processing and Properties examines all severe plastic deformation techniques developed over the past two decades, exploring the appropriate severe plastic deformation method for a particular case. The book offers an overview of these methods, introduces ultrafine-grained and nano-grained metals and methods for various bulk, sheet, tubular and large size samples, reviews effective parameters to make a severe plastic deformation method better, from property (mechanical) and processing (cost, time, load, etc.) viewpoints, discusses mechanical, physical and chemical properties of UFG and NS metals, and concludes with various applications for these methods. Over the last several decades, a large number of severe plastic deformation methods have been developed for processing a wide array of metals for superior properties, making this a timely resource. Collects all severe plastic deformation methods in a unique reference Compares severe plastic deformation methods from several viewpoints, including processing and final property Classifies severe plastic deformation methods based on the sample shape and mechanics, as well as the properties achieved in the processed metal Introduces ultrafine-grained and nano-grained metals and methods for various bulk, sheet, tubular and large size samples
