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Author : Donald Ray Culp
Publisher :
ISBN 13 :
Total Pages : 186 pages
Book Rating : 4.:/5 (427 download)
Download or read book Metal Deformation with Ultrasound written by Donald Ray Culp and published by . This book was released on 1972 with total page 186 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : B. Langenecker
Publisher :
ISBN 13 :
Total Pages : 57 pages
Book Rating : 4.:/5 (227 download)
Download or read book Effects of Ultrasound on Deformation Characteristics of Structural Metals written by B. Langenecker and published by . This book was released on 1964 with total page 57 pages. Available in PDF, EPUB and Kindle. Book excerpt: High-intensity ultrasound at 20 kc/sec is used in studies of mechanisms metal deformation and treatment. Quantitative details ab6ut the experimental conditions are providedin the five parts of this report: (1) modes of intense ultrasonic stress waves in rods and bars, (2) conversion of acoustic energy into heat, (3) applications of ultrasound at high-strain-rate tensile tests, (4) measurements of internal friction during high-intensity ultrasonic radiation of metals, and (5) discussion of ultrasonic metal deformation along with a comparison between our observations and other reports on the subject of ultrasonic metal forming processes. (Author).
Author : B. Langenecker
Publisher :
ISBN 13 :
Total Pages : 12 pages
Book Rating : 4.:/5 (227 download)
Download or read book Effects of Ultrasound on Deformation Characteristics of Structural Metals, 1 July 1963-30 June 1964, Part 5. Discussion written by B. Langenecker and published by . This book was released on 1965 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt: High-intensity ultrasound at 20 kc/sec is used in studies of mechanisms of metal deformation and treatment. Quantitative details about the experimental conditions are provided in the five parts of this report: (1) modes of intense ultrasonic stress waves in rods and bars, (2) conversion of acoustic energy into heat, (3) applications of ultrasound at high-strain-rate tensile tests, (4) measurements of internal friction during high-intensity ultrasonic radiation of metals, and (5) discussion of ultrasonic metal deformation along with a comparison between our observations and other reports on the subject of ultrasonic metal forming processes. (Author).
Author : B. LANGENECKER
Publisher :
ISBN 13 :
Total Pages : 14 pages
Book Rating : 4.:/5 (227 download)
Download or read book Effects of Ultrasound on Deformation Characteristics of Structural Metals. Part 2. Acoustic Heating and Zone Melting written by B. LANGENECKER and published by . This book was released on 1965 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt: High-intensity ultrasound at 20 kc/sec is used in studies of mechanisms of metal deformation and treatment. Quantitative details about the experimental conditions are provided in the five parts of this report: (1) modes of intense ultrasonic stress waves in rods and bars, (2) conversion of acoustic energy into heat, (3) applications of ultrasound at high strain rate tensile tests, (4) measurements of internal friction during highintensity ultrasonic radiation of metals, and (5) discussion of ultrasonic metal deformation along with a comparison between our observations and other reports on the subject of ultrasonic metal forming processes. (Author).
Author : W. H. Frandsen
Publisher :
ISBN 13 :
Total Pages : 10 pages
Book Rating : 4.:/5 (227 download)
Download or read book Effects of Ultrasound on Deformation Characteristics of Structural Metals 1 July 1963-30 June 1964. Part 1. Application of Photoelasticity written by W. H. Frandsen and published by . This book was released on 1964 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt: Intense ultrasound having power levels up to 100 w/sq cm at 20 kc is used in studies of mechanisms of metal deformation and treatment. To provide accurate quantitative information about the underlying experimental conditions, Part 1 of this progress report describes detailed investigations of modes of propagation of intense ultrasonic stress waves in rods and bars. Part 2 will be concerned with measurements of conversion of acoustic energy into heat and kinetic energy of lattice imperfections. Parts 3 and 4 will illustrate experiments in which high strain rate tensile tests, and intense pulsed ultrasound were applied. A discussion of ultrasonic metal deformation will be given in the final Part 5 along with a comparison of our observations with results and viewpoints from other reports on this subject. (Author).
Author : Alan R. Rosenfield
Publisher :
ISBN 13 :
Total Pages : 88 pages
Book Rating : 4.3/5 (91 download)
Download or read book The Application of Ultrasonic Energy in the Deformation of Metals written by Alan R. Rosenfield and published by . This book was released on 1963 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt: On June 21 a symposium was sponsored by the Bureau of Naval Weapons on the application of ultrasonic energy in the deformation of metals. At this session, a number of investigators actively working in the field reported informally on the results of their research. The reports revealed that the results achieved by incorporating ultrasonic transducers into conventional metalforming and-cutting operations are sufficiently promising that the technique merits further attention. Data are available to indicate that application of ultrasonic vibrations during metal working can increase speeds, lower forces, and improve surface finishes. All of these results have been obtained without any observed difference in properties between ultrasonically and conventionally fabricated parts. (Author).
Author : Andrew Rusinko
Publisher : LAP Lambert Academic Publishing
ISBN 13 : 9783659140419
Total Pages : 168 pages
Book Rating : 4.1/5 (44 download)
Download or read book Ultrasound and Irrecoverable Deformation in Metals written by Andrew Rusinko and published by LAP Lambert Academic Publishing. This book was released on 2012-05 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mechanical vibrations of ultrasonic frequency exert a considerable influence upon the mechanical properties of metals, in particular, their deformation characteristics. The following three phenomena are considered: ultrasonic softening, ultrasonic hardening and the influence of preliminary ultrasonic treatment upon the steady-state creep of metals. Ultrasonic softening takes place when a ultrasonic loading is superimposed upon a static one, which results in the decrease of static load needed to deform the metal. Ultrasonic hardening occurs during the sonication of annealed material without a static loading. The ultrasonic hardening manifests itself in the increase of the yield strength of material due to the defects of crystalline structure nucleated and developed in acoustic field. Ultrasonic treatment consists of the ultrasonic irradiation of material and subsequent annealing. Materials treated in such a way can offer a considerable resistance to creep deformation. However, this tendency is not a monotonic function of the preliminary sonification parameters. A new theory, the synthetic theory of irrecoverable deformation, is employed to model the phenomena discussed above.
Author : V. P. Severdenko
Publisher : Springer
ISBN 13 :
Total Pages : 230 pages
Book Rating : 4.3/5 (91 download)
Download or read book Ultrasonic Rolling and Drawing of Metals written by V. P. Severdenko and published by Springer. This book was released on 1972 with total page 230 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : B. Langenecker
Publisher :
ISBN 13 :
Total Pages : 8 pages
Book Rating : 4.:/5 (227 download)
Download or read book Effects of Ultrasound on Deformation Characteristics of Structural Metals, 1 July 1963-30 June 1964. Part 4. Internal Friction and Crystal Plasticity in Intense Ultrasonic Fields written by B. Langenecker and published by . This book was released on 1965 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : O. V. Abramov
Publisher : Springer
ISBN 13 :
Total Pages : 520 pages
Book Rating : 4.3/5 (91 download)
Download or read book Ultrasound in Liquid & Solid Metals written by O. V. Abramov and published by Springer. This book was released on 1994-04-08 with total page 520 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ultrasound in Liquid and Solid Metals focuses on the effect of intensive ultrasound on metals, including the analysis of the development of cavitation and acoustic flows in melts, mechanism of metals' spraying and crystallization, the formation of dislocation structure in crystals, diffusion, phase transformation, and plastic deformation. Physical fundamentals of intensive ultrasound effects are covered, and detailed discussions are presented on the engineering principles of equipment and material design for the practical use of ultrasound in the refining of melts, crystallization of ingots and molds, pulverization, plating, pressure working of metals, surface strengthening, and other processes.
Author : V. P. Severdenko
Publisher :
ISBN 13 :
Total Pages : 7 pages
Book Rating : 4.:/5 (227 download)
Download or read book Deformation of Metal in an Ultrasonic Field written by V. P. Severdenko and published by . This book was released on 1963 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Juan A. Gallego-Juarez
Publisher : Woodhead Publishing
ISBN 13 : 0323851444
Total Pages : 948 pages
Book Rating : 4.3/5 (238 download)
Download or read book Power Ultrasonics written by Juan A. Gallego-Juarez and published by Woodhead Publishing. This book was released on 2023-04-06 with total page 948 pages. Available in PDF, EPUB and Kindle. Book excerpt: Power Ultrasonics: Applications of High-Intensity Ultrasound, Second Edition provides a comprehensive reference on the fundamentals, processing, engineering, medical, food and pharmaceutical applications of ultrasonic processing. Chapters cover the fundamentals of nonlinear propagation of ultrasonic waves in fluids and solids, discuss the materials and designs of power ultrasonic transducers and devices, identify applications of high power ultrasound in materials engineering and mechanical engineering, food processing technology, environmental monitoring and remediation and industrial and chemical processing (including pharmaceuticals), medicine and biotechnology, and cover developments in ultrasound therapy and surgery applications.The new edition also includes recent advances in modeling, characterization and measurement techniques, along with additive manufacturing and micromanufacturing. This is an invaluable reference for graduate students and researchers working in the disciplines of materials science and engineering. In addition, those working on the physics of acoustics, sound and ultrasound, sonochemistry, acoustic engineering and industrial process technology, R&D managers, production, and biomedical engineers will find it useful to their work. Covers the fundamentals of nonlinear propagation of ultrasonic waves in fluids and solids Discusses the materials and designs of power ultrasonic transducers and devices Considers state-of-the-art power sonic applications across a wide range of industries
Author : G I Eskin
Publisher : CRC Press
ISBN 13 : 1498701795
Total Pages : 352 pages
Book Rating : 4.4/5 (987 download)
Download or read book Ultrasonic Treatment of Light Alloy Melts written by G I Eskin and published by CRC Press. This book was released on 1998-05-06 with total page 352 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is the first monograph to comprehensively cover the effect of using power ultrasound to refine and solidify aluminium and magnesium alloys. The author is widely regarded as a pioneer in the field, and the text is based on results obtained over the 40 years he has spent developing these techniques. Ultrasonic treatment efficiently removes h
Author : Susanta Kumar Sahoo
Publisher : CRC Press
ISBN 13 : 1000227294
Total Pages : 232 pages
Book Rating : 4.0/5 (2 download)
Download or read book Ultrasonic Welding of Metal Sheets written by Susanta Kumar Sahoo and published by CRC Press. This book was released on 2020-11-18 with total page 232 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ultrasonic Welding of Metal Sheets covers various aspects of ultrasonic welding (USW) of metal sheets, including the discussion on modeling and numerical simulations of ultrasonic welding to improve this welding process and performance. This book aims to provide an accessible, comprehensive and up-to-date exposition of the various aspects of joining of dissimilar metal sheets ranging from its fundamentals thorough to metallurgical characteristics covering fundamental concepts, in-detailed explanation about the USW including its implementation, design criteria, work material, welding, thermo-mechanical and research scopes. The book is aimed at researchers, professionals and graduate students in manufacturing, welding, mechanical engineering. Features The ultrasonic spot welding of various metal sheets is described in simplified expression and concepts are elucidated by relevant illustrations. Discusses modeling and numerical simulations of ultrasonic welding to improve the ultrasonic welding process and performance As opposed to competition in the market, this title provides thorough clarification of ultrasonic spot welding of metal sheets with its applications.
Author : Nicholas Maropis
Publisher :
ISBN 13 :
Total Pages : 28 pages
Book Rating : 4.:/5 (246 download)
Download or read book Transition Between Theory and Practice in Ultrasonic Metal Deformation Processing written by Nicholas Maropis and published by . This book was released on 1966 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Minghao Cai
Publisher :
ISBN 13 :
Total Pages : 263 pages
Book Rating : 4.:/5 (858 download)
Download or read book Acousto-plastic Deformation of Metals by Nonlinear Stress Waves written by Minghao Cai and published by . This book was released on 2006 with total page 263 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract: The present dissertation summarizes the results of research and development for elastic-plastic deformation of metals by nonlinear stress waves. The focus of the present work is the development of a new theoretical and numerical framework to simulate nonlinear stress waves in solids. The application of the new method focuses on modeling the plateau stage of a novel ultrasound welding process. Superimposed by ultrasonic vibrations, metal specimens under static loading experience remarkable transitory softening, which has been called the Blaha effect or the Acousto-Plastic Effect (APE). Previous microscopy studies showed that the metals experience significant plastic deformation and the morphology resembles the Kelvin-Helmholtz instability waves in the presence of shear stresses. The present research addresses the need to understand the APE beyond phenomenological descriptions in the literature. Theoretical and numerical studies have been performed to understand the unusual metal deformation induced by ultrasonic vibrations. A comprehensive continuum mechanics model for macroscopic description of nonlinear stress waves in solids has been developed, including conservation laws of mass, momentum, and energy in the Eulerian frame, in conjunction with a set of transport equations for stress components, which have been derived based on the elastic-plastic constitutive relation employed. The present approach aims to directly address the dynamic nature of the processes rather than treating transitory metal softening by proposing "effective constitutive relations" to relate the nominal "static stress" to the nominal "static strain." Various forms of the governing equations have been systematically derived. The eigensystem of each set of model equations has been analyzed in details with clear presentation of the analytical forms of eigenvalues and the associated eigenvector matrices. To solve these governing equations for the nonlinear stress waves, the space-time Conservation Element and Solution Element (CESE) method has been used. Numerical results of one- and two-dimensional elastic and elastic-plastic stress waves are reported in the dissertation. The numerical results are validated by a series of comparison between the one-dimensional numerical results of elastic and elastic-plastic waves and the available analytical solutions, experimental results and published numerical works.
Author : Andrew Rusinko
Publisher : Springer Science & Business Media
ISBN 13 : 3642212131
Total Pages : 442 pages
Book Rating : 4.6/5 (422 download)
Download or read book Plasticity and Creep of Metals written by Andrew Rusinko and published by Springer Science & Business Media. This book was released on 2011-07-24 with total page 442 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book serves both as a textbook and a scientific work. As a textbook, the work gives a clear, thorough and systematic presentation of the fundamental postulates, theorems and principles and their applications of the classical mathematical theories of plasticity and creep. In addition to the mathematical theories, the physical theory of plasticity, the book presents the Budiansky concept of slip and its modification by M. Leonov. Special attention is given to the analysis of the advantages and shortcomings of the classical theories. In its main part, the book presents the synthetic theory of irreversible deformations, which is based on the mathematical Sanders flow plasticity theory and the physical theory, the Budiansky concept of slip. The main peculiarity of the synthetic theory is that the formulae for both plastic and creep deformation, as well their interrelations, can be derived from the single constitutive equation. Furthermore, the synthetic theory, as physical one, can take into account the real processes that take place in solids at irreversible deformation. This widens considerably the potential of the synthetic theory. In the framework of the synthetic theory such problems as creep delay, the Hazen-Kelly effect, the deformation at the break of the load trajectory, the influence of the rate of loading on the stress-strain diagram, creep at the changes of load, creep at unloading and reversed creep, have been analytically described. In the last chapter, the book shows the solution of some contemporary problems of plasticity and creep: Creep deformation at cyclic abrupt changes of temperature, The influence of irradiation on the plastic and creep deformation, Peculiarities of deformation at the phase transformation of some metals.
