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A Pressure Technique For Determining Residual Stresses In Circular Tubes
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Book Synopsis A Pressure Technique for Determining Residual Stresses in Circular Tubes by : R. E. WEIGLE
Download or read book A Pressure Technique for Determining Residual Stresses in Circular Tubes written by R. E. WEIGLE and published by . This book was released on 1961 with total page 1 pages. Available in PDF, EPUB and Kindle. Book excerpt: An experimental method is described for direct measurement of pressure-induced residual stresses in tubes. Successive layers are removed from the tube bore. After each layer is removed, the tube is pressurized until the original exterior state of strain (monitored by strain gages) is restored. The required pressure is a direct measure of the original radial residual stress which existed at that point to which the tube material has been removed. Theory is developed for the residual stresses produced by inducing complete plasticity in a tube by means of internal pressure. Theoretical predictions of radial stress agreed well with measurements taken by the technique described. It is concluded that the technique is applicable to measurement of pressure-induced residual stresses in tubes and requires no previous knowledge of elastic constants. (Author).
Book Synopsis A Teaching Essay on Residual Stresses and Eigenstrains by : Alexander M. Korsunsky
Download or read book A Teaching Essay on Residual Stresses and Eigenstrains written by Alexander M. Korsunsky and published by Butterworth-Heinemann. This book was released on 2017-06-08 with total page 214 pages. Available in PDF, EPUB and Kindle. Book excerpt: Residual stresses are an important subject in materials science and engineering that has implications across disciplines, from quantum dots to human teeth, from aeroengines to automotive surface finishing. Although a number of monographs exist, no resource is available in the form of a book to serve as a good basis for teaching the fundamentals. A Teaching Essay on Residual Stresses and Eigenstrains introduces eigenstrain methods as a powerful unified approach to residual stress modeling, measurement, and management. Starting with simple residual stress states, the key relationships are elucidated between deformation processes, inelastic strains (eigenstrains) these may introduce, and the resulting residual stress states. This book is written not only for the materials scientist, mechanical engineer, and student seeking to appreciate the origins of residual stress, but also for the more mature researcher and industrial engineer looking to improve their understanding of the eigenstrain approach to describing residual stress. Provides a unified basis for understanding the fundamentals of residual stress origins and consequences Introduces a classification of the most important residual stress states and their efficient description, as well as discussing measurement approaches, their limitations, and uses Approaches the nature and application of eigenstrain methods in a systematic way to describe residual stress fields
Book Synopsis Experimental Mechanics by : B. E. Rossi
Download or read book Experimental Mechanics written by B. E. Rossi and published by Elsevier. This book was released on 2013-10-22 with total page 417 pages. Available in PDF, EPUB and Kindle. Book excerpt: Experimental Mechanics presents the proceedings of the First International Congress on Experimental Mechanics, held at the Hotel New Yorker in New York City, on November 1–3, 1961. This book presents the application of the methods of experimental mechanics to technical problems. Organized into 21 chapters, this compilation of papers begins with an overview of the experimental techniques developed for different basic and applied research on strength of materials, performance of hydraulic machinery, and accuracy of mechanisms and machine tools. This text then surveys the developments in the field of mechanical measurements, including rubber gage, bolt gage, digital strain indicators, and waterproofed strain gage. Other chapters consider the experimental study of the transient response of a rocket sled with a vertically malaligned center of gravity. The final chapter deals with the conditions of collapse of stiffened cylindrical shells beyond the proportional limit of the material. Experimental stress analysts will find this book useful.
Book Synopsis U.S. Government Research Reports by :
Download or read book U.S. Government Research Reports written by and published by . This book was released on 1962 with total page 220 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Residual Stresses in Composite Materials by : Mahmood M. Shokrieh
Download or read book Residual Stresses in Composite Materials written by Mahmood M. Shokrieh and published by Woodhead Publishing. This book was released on 2014-02-14 with total page 407 pages. Available in PDF, EPUB and Kindle. Book excerpt: Residual stresses are a common phenomenon in composite materials. They can either add to or significantly reduce material strength. Because of the increasing demand for high-strength, light-weight materials such as composites and their wide range of applications in the aerospace and automotive industries, in civil infrastructure and in sporting applications, it is critical that the residual stresses of composite materials are understood and measured correctly. The first part of this important book reviews destructive and non-destructive testing (NDT) techniques for measuring residual stresses. Various mathematical (analytical and numerical) methods for calculation of residual stresses in composite materials are also presented. Chapters in the first section of the book discuss the simulated hole drilling method, the slitting/crack compliance method, measuring residual stresses in homogeneous and composite glass materials using photoelastic techniques, and modeling residual stresses in composite materials. The second part of the book discusses residual stresses in polymer matrix, metal-matrix and a range of other types of composites. Moreover, the addition of nanoparticles to the matrix of polymeric composites as a new technique for reduction of residual stresses is discussed. Residual stresses in composite materials provides a comprehensive overview of this important topic, and is an invaluable reference text for both academics and professionals working in the mechanical engineering, civil engineering, aerospace, automotive, marine and sporting industries. Reviews destructive and non-destructive testing (NDT) techniques for measuring residual stresses Discusses residual stresses in polymer matrix, metal-matrix and other types of composite Considers the addition of nanoparticles to the matrix of polymeric composites as a new technique for reduction of residual stresses
Book Synopsis Practical Residual Stress Measurement Methods by : Gary S. Schajer
Download or read book Practical Residual Stress Measurement Methods written by Gary S. Schajer and published by John Wiley & Sons. This book was released on 2013-09-23 with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt: An introductory and intermediate level handbook written in pragmatic style to explain residual stresses and to provide straightforward guidance about practical measurement methods. Residual stresses play major roles in engineering structures, with highly beneficial effects when designed well, and catastrophic effects when ignored. With ever-increasing concern for product performance and reliability, there is an urgent need for a renewed assessment of traditional and modern measurement techniques. Success critically depends on being able to make the most practical and effective choice of measurement method for a given application. Practical Residual Stress Measurement Methods provides the reader with the information needed to understand key residual stress concepts and to make informed technical decisions about optimal choice of measurement technique. Each chapter, written by invited specialists, follows a focused and pragmatic format, with subsections describing the measurement principle, residual stress evaluation, practical measurement procedures, example applications, references and further reading. The chapter authors represent both international academia and industry. Each of them brings to their writing substantial hands-on experience and expertise in their chosen field. Fully illustrated throughout, the book provides a much-needed practical approach to residual stress measurements. The material presented is essential reading for industrial practitioners, academic researchers and interested students. Key features: • Presents an overview of the principal residual stress measurement methods, both destructive and non-destructive, with coverage of new techniques and modern enhancements of established techniques • Includes stand-alone chapters, each with its own figures, tables and list of references, and written by an invited team of international specialists
Book Synopsis Methods of Residual Stress Measurement by :
Download or read book Methods of Residual Stress Measurement written by and published by . This book was released on 1965 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This manual has been assembled as a ready reference source for the engineer who must measure residual stresses. Although the literature has abundant information on the individual methods of residual stress measurement, this manual is unique in that most of the useful methods have been selected, described, classified, and compared.Methods of measuring residual stress may be classified as mechanical, physical, or chemical. Mechanical methods that are most widely used involve the machining of the part to release the residual stresses. These methods are considered in detail and occupy the bulk of this manual.Of the physical methods, x-ray diffraction has many advantages in solving some residual stress problems. One of the major advantages is that it is completely nondestructive if only surface residual stresses are desired. This method is briefly described and its limitations discussed so that the investigator may choose this method if it fulfills his needs. The method and the necessary techniques have been covered in detail in Ref. 1.Of the chemical methods, the stress corrosion cracking technique seems to be the most useful. This cracking is known to be dependent upon the surface tensile stress level. At present it is only a qualitative measure of the stress, but perhaps at some future date, quantitative chemical methods may be developed.To make residual stress measurements, the engineer must: 1Select the most appropriate method. 2Completely familiarize himself with the theory behind the method chosen. 3Learn the techniques of measurement used by previous investigators.Note that the word "method" is reserved to mean the individual category of stress analysis, and that "technique" applies to the experimental procedure.The choice of the method depends to a large extent upon the geometry of the specimen, the precision desired, the type and location of the stress it is desired to measure, and the equipment available. The numerous mechanical methods available are classified into four groups. These are: the parting-out method, the layer removal method, the boring and turning method, and the hole drilling method. The nonmechanical x-ray method is briefly discussed here for comparison.Once the method has been selected, measurements should not be taken and their values blindly substituted into equations. Each term in the expressions relating the deformation to the residual stress should be completely understood and the sign convention used for these terms should be well known. For this reason, a derivation for each method has been included with the necessary assumptions and limitations. Following a study of these equations, it may be decided whether some automatic or computer technique should be used. In some instances in which a large number of specimens are to be analyzed, the computer technique offers obvious advantages. At this point, it is also necessary to determine the precision with which the stresses are to be determined. This, of course, can be related directly to the precision used in the measurement of the deformation changes and the original dimensions of the specimen itself.The correct choice of the many and varied techniques for measuring dimensional changes used in the determination of residual stress is extremely important if accurate and reproducible data are to be obtained. Machining stress introduced in dissecting must not be larger or more significant than the stress that is to be measured. The techniques used to remove material are numerous, and some of the better currently used techniques are considered. The specific techniques associated with any particular method are included and special fixtures and procedures are described and sample calculations are given.
Book Synopsis Rapid Method for Determining the Distribution of Residual Stresses in Pipes by : G. V. Shimov
Download or read book Rapid Method for Determining the Distribution of Residual Stresses in Pipes written by G. V. Shimov and published by . This book was released on 2018 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt: This paper describes the method of longitudinal residual stress measurement on inner and outer pipe surface layers, which is used for calculation of the distribution of all residual stresses over the wall thickness. The method proposed is applicable in cases of stresses that are opposite in sign and exist inside and outside the pipe. Moreover, in accordance with the hypothesis of a parabolic circumferential and longitudinal distribution of residual stresses, this paper proposes the calculation method of stress distribution by measured ultimate stresses of the same sign inside and outside the pipe. The method is suitable for use in the express laboratory of a workshop that produces cold-formed seamless pipes.
Book Synopsis Proceedings of the Army Symposium on Solid Mechanics, 1972 by :
Download or read book Proceedings of the Army Symposium on Solid Mechanics, 1972 written by and published by . This book was released on 1973 with total page 554 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Residual Stresses 2018 by : Marc Seefeldt
Download or read book Residual Stresses 2018 written by Marc Seefeldt and published by Materials Research Forum LLC. This book was released on 2018-10-10 with total page 310 pages. Available in PDF, EPUB and Kindle. Book excerpt: The European Conference on Residual Stresses (ECRS) series is the leading European forum for scientific exchange on internal and residual stresses in materials. It addresses both academic and industrial experts and covers a broad gamut of stress-related topics from instrumentation via experimental and modelling methodology up to stress problems in specific processes such as welding or shot-peening, and their impact on materials properties. Chapters: Diffraction Methods; Mechanical Relaxation Methods; Acoustic and Electromagnetic Methods; Composites, Nano and Microstructures; Films, Coatings and Oxides; Cold Working and Machining; Heat Treatments and Phase Transformations; Welding, Fatigue and Fracture: Stresses in Additive Manufacturing.
Book Synopsis Calculation of Residual Stresses in Tubes After Drawing by : A.V Tropotov
Download or read book Calculation of Residual Stresses in Tubes After Drawing written by A.V Tropotov and published by . This book was released on 1988 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Biomechanics of Soft Tissue in Cardiovascular Systems by : Gerhard A. Holzapfel
Download or read book Biomechanics of Soft Tissue in Cardiovascular Systems written by Gerhard A. Holzapfel and published by Springer. This book was released on 2014-05-04 with total page 348 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book is written by leading experts in the field presenting an up-to-date view of the subject matter in a didactically sound manner. It presents a review of the current knowledge of the behaviour of soft tissues in the cardiovascular system under mechanical loads, and the importance of constitutive laws in understanding the underlying mechanics is highlighted. Cells are also described together with arteries, tendons and ligaments, heart, and other biological tissues of current research interest in biomechanics. This includes experimental, continuum mechanical and computational perspectives, with the emphasis on nonlinear behaviour, and the simulation of mechanical procedures such as balloon angioplasty.
Book Synopsis Oil and Gas Pipelines by : R. Winston Revie
Download or read book Oil and Gas Pipelines written by R. Winston Revie and published by John Wiley & Sons. This book was released on 2015-04-20 with total page 868 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive and detailed reference guide on the integrity and safety of oil and gas pipelines, both onshore and offshore Covers a wide variety of topics, including design, pipe manufacture, pipeline welding, human factors, residual stresses, mechanical damage, fracture and corrosion, protection, inspection and monitoring, pipeline cleaning, direct assessment, repair, risk management, and abandonment Links modern and vintage practices to help integrity engineers better understand their system and apply up-to-date technology to older infrastructure Includes case histories with examples of solutions to complex problems related to pipeline integrity Includes chapters on stress-based and strain-based design, the latter being a novel type of design that has only recently been investigated by designer firms and regulators Provides information to help those who are responsible to establish procedures for ensuring pipeline integrity and safety
Book Synopsis Proceedings of the ... International Congress on Experimental Mechanics by :
Download or read book Proceedings of the ... International Congress on Experimental Mechanics written by and published by . This book was released on 1963 with total page 424 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Peterson's Stress Concentration Factors by : Walter D. Pilkey
Download or read book Peterson's Stress Concentration Factors written by Walter D. Pilkey and published by John Wiley & Sons. This book was released on 2020-01-07 with total page 816 pages. Available in PDF, EPUB and Kindle. Book excerpt: The bible of stress concentration factors—updated to reflect today's advances in stress analysis This book establishes and maintains a system of data classification for all the applications of stress and strain analysis, and expedites their synthesis into CAD applications. Filled with all of the latest developments in stress and strain analysis, this Fourth Edition presents stress concentration factors both graphically and with formulas, and the illustrated index allows readers to identify structures and shapes of interest based on the geometry and loading of the location of a stress concentration factor. Peterson's Stress Concentration Factors, Fourth Edition includes a thorough introduction of the theory and methods for static and fatigue design, quantification of stress and strain, research on stress concentration factors for weld joints and composite materials, and a new introduction to the systematic stress analysis approach using Finite Element Analysis (FEA). From notches and grooves to shoulder fillets and holes, readers will learn everything they need to know about stress concentration in one single volume. Peterson's is the practitioner's go-to stress concentration factors reference Includes completely revised introductory chapters on fundamentals of stress analysis; miscellaneous design elements; finite element analysis (FEA) for stress analysis Features new research on stress concentration factors related to weld joints and composite materials Takes a deep dive into the theory and methods for material characterization, quantification and analysis methods of stress and strain, and static and fatigue design Peterson's Stress Concentration Factors is an excellent book for all mechanical, civil, and structural engineers, and for all engineering students and researchers.
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1993 with total page 556 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Residual Stresses at Girth-butt Welds in Pipes and Pressure Vessels by :
Download or read book Residual Stresses at Girth-butt Welds in Pipes and Pressure Vessels written by and published by . This book was released on 1977 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt:
