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Measurement Of Strain Distribution For Hole Expansion With Digital Image Correlation System
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Book Synopsis Measurement of Strain Distribution for Hole Expansion with Digital Image Correlation System by : Xu Chen
Download or read book Measurement of Strain Distribution for Hole Expansion with Digital Image Correlation System written by Xu Chen and published by . This book was released on 2011 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advanced high strength steels (AHSS) are increasingly used in the automotive industry. A major issue for AHSS stamping is edge cracking. This failure mode is difficult to predict by a conventional forming limit diagram (FLD) because certain materials withstand much less strain at the edge than at other parts. The material edge stretchability is mainly evaluated using the hole expansion test. However, traditional methods can hardly get a full field strain distribution, and the strain along the hole is usually measured manually with calipers. In this study, Digital Image Correlation (DIC) is applied for strain measurement. DIC is a non-contact, full field, high accuracy and direct measurement technique that provides more detailed information for the evolution of strains on the sheet surface. Tests were conducted for five AHSS and nine cases. This paper will explain in detail the DIC technique and its results.
Book Synopsis Materials Design and Applications III by : Lucas F. M. da Silva
Download or read book Materials Design and Applications III written by Lucas F. M. da Silva and published by Springer Nature. This book was released on 2021-02-17 with total page 273 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book offers selected contributions to fundamental research and application in designing and engineering materials. It focuses on mechanical engineering applications such as automobile, railway, marine, aerospace, biomedical, pressure vessel technology, and turbine technology. This includes a wide range of material classes, like lightweight metallic materials, polymers, composites, and ceramics. Advanced applications include manufacturing using the new or newer materials, testing methods, and multi-scale experimental and computational aspects.
Book Synopsis Image Correlation for Shape, Motion and Deformation Measurements by : Michael A. Sutton
Download or read book Image Correlation for Shape, Motion and Deformation Measurements written by Michael A. Sutton and published by Springer Science & Business Media. This book was released on 2009-04-21 with total page 332 pages. Available in PDF, EPUB and Kindle. Book excerpt: Image Correlation for Shape, Motion and Deformation Measurements provides a comprehensive overview of data extraction through image analysis. Readers will find and in-depth look into various single- and multi-camera models (2D-DIC and 3D-DIC), two- and three-dimensional computer vision, and volumetric digital image correlation (VDIC). Fundamentals of accurate image matching are described, along with presentations of both new methods for quantitative error estimates in correlation-based motion measurements, and the effect of out-of-plane motion on 2D measurements. Thorough appendices offer descriptions of continuum mechanics formulations, methods for local surface strain estimation and non-linear optimization, as well as terminology in statistics and probability. With equal treatment of computer vision fundamentals and techniques for practical applications, this volume is both a reference for academic and industry-based researchers and engineers, as well as a valuable companion text for appropriate vision-based educational offerings.
Download or read book Forming the Future written by Glenn Daehn and published by Springer Nature. This book was released on 2021-07-10 with total page 2890 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this collection, scientists and engineers from across industry, academia, and government present their latest improvements and innovations in all aspects of metal forming science and technology, with the intent of facilitating linkages and collaborations among these groups. Chapters cover the breadth of metal forming topics, from fundamental science to industrial application.
Book Synopsis Bridge Maintenance, Safety, Management, Resilience and Sustainability by : Fabio Biondini
Download or read book Bridge Maintenance, Safety, Management, Resilience and Sustainability written by Fabio Biondini and published by CRC Press. This book was released on 2012-06-21 with total page 4119 pages. Available in PDF, EPUB and Kindle. Book excerpt: Bridge Maintenance, Safety, Management, Resilience and Sustainability contains the lectures and papers presented at The Sixth International Conference on Bridge Maintenance, Safety and Management (IABMAS 2012), held in Stresa, Lake Maggiore, Italy, 8-12 July, 2012. This volume consists of a book of extended abstracts (800 pp) Extensive collection of revised expert papers on recent advances in bridge maintenance, safety, management and life-cycle performance, representing a major contribution to the knowledge base of all areas of the field.
Book Synopsis Digital Image Correlation at Free Edges with Applications to Composite Materials by : Greg N. Nelson
Download or read book Digital Image Correlation at Free Edges with Applications to Composite Materials written by Greg N. Nelson and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Digital image correlation for strain measurement by : Bert Jacobs
Download or read book Digital image correlation for strain measurement written by Bert Jacobs and published by . This book was released on 2009 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Applied Mechanics Reviews written by and published by . This book was released on 1987 with total page 338 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Intelligent Digital Image Correlation for Displacement and Strain Measurement by : Alan Pilch
Download or read book Intelligent Digital Image Correlation for Displacement and Strain Measurement written by Alan Pilch and published by . This book was released on 2002 with total page 576 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Development of Digital Image Correlation Technique Applied to Hole Drilling Residual Stress Measurement by :
Download or read book Development of Digital Image Correlation Technique Applied to Hole Drilling Residual Stress Measurement written by and published by . This book was released on 2015 with total page 476 pages. Available in PDF, EPUB and Kindle. Book excerpt: The residual stresses found in components are mainly due to thermal, mechanical and metallurgical changes of material. The manufacturing processes such as fabrication, assembly, welding, rolling, heat treatment, shot peening etc. generate residual stresses in material. A significant number of improvements for residual stress measurement techniques have occurred in last few decades. The needs of Digital Image Correlation (DIC) techniques from industry have been increasing, especially in micro- and nano-scale mechanical testing applications mainly due to its relative easy implementation and utilization. In this dissertation, new experimental and numerical methods have been carried out, using a 3D-DIC measurement system with hole drilling operations and Finite Element Analysis (FEA) models to successfully predict both uniform and non-uniform residual stresses in material. The residual stresses have been calculated based on the established governing equations, 3D-DIC measured deformations, and calibration coefficients determined by finite element analyses. This 3D-DIC measurement technique performed in a no contact approach can capture the full-field, high sensitivity and high accuracy in-plan and out-of-plan deformation simultaneously. it can be used for both industrial and lab environments. There are three main categories for residual stress evaluations and validations in this dissertation. They are listed as following: 1) Through hole drilling (THD) on thin parts for uniform residual stresses; 2) Blind hole drilling (BHD) on thick parts for uniform residual tresses, where it is not possible to drill a through hole; 3) Incremental blind hole drilling (IBHD) on thick parts for non-uniform residual stresses which vary as a function of depth.
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 Mechanics of Biological Systems and Materials, Volume 2 by : Tom Proulx
Download or read book Mechanics of Biological Systems and Materials, Volume 2 written by Tom Proulx and published by Springer Science & Business Media. This book was released on 2011-05-20 with total page 221 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mechanics of Biological Systems and Materials represents one of eight volumes of technical papers presented at the Society for Experimental Mechanics Annual Conference & Exposition on Experimental and Applied Mechanics, held at Uncasville, Connecticut, June 13-16, 2011. The full set of proceedings also includes volumes on Dynamic Behavior of Materials, Mechanics of Time-Dependent Materials and Processes in Conventional and Multifunctional Materials, MEMS and Nanotechnology; Optical Measurements, Modeling and, Metrology; Experimental and Applied Mechanics, Thermomechanics and Infra-Red Imaging, and Engineering Applications of Residual Stress.
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 2017-11-06 with total page 829 pages. Available in PDF, EPUB and Kindle. Book excerpt: Peterson's Stress Concentration Factors establishes and maintains a system of data classification for all of the applications of stress and strain analysis and expedites their synthesis into CAD applications. Substantially revised and completely updated, this book presents stress concentration factors both graphically and with formulas. It also employs computer-generated art in its portrayal of the various relationships between the stress factors affecting machines or structures. These charts provide a visual representation of the machine or structure under consideration as well as graphs of the various stress concentration factors at work. They can be easily accessed via an illustrated table of contents that permits identification based on the geometry and loading of the location of a factor. For the new third edition, new material will be added covering finite element analyses of stress concentrations, as well as effective computational design. The book explains how to optimize shape to circumvent stress concentration problems and how to achieve a well-balanced design of structures and machines that will result in reduced costs, lighter products, and improved performance.
Book Synopsis Experimental Stress Analysis for Materials and Structures by : Alessandro Freddi
Download or read book Experimental Stress Analysis for Materials and Structures written by Alessandro Freddi and published by Springer. This book was released on 2015-03-19 with total page 509 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book summarizes the main methods of experimental stress analysis and examines their application to various states of stress of major technical interest, highlighting aspects not always covered in the classic literature. It is explained how experimental stress analysis assists in the verification and completion of analytical and numerical models, the development of phenomenological theories, the measurement and control of system parameters under operating conditions, and identification of causes of failure or malfunction. Cases addressed include measurement of the state of stress in models, measurement of actual loads on structures, verification of stress states in circumstances of complex numerical modeling, assessment of stress-related material damage, and reliability analysis of artifacts (e.g. prostheses) that interact with biological systems. The book will serve graduate students and professionals as a valuable tool for finding solutions when analytical solutions do not exist.
Book Synopsis Hole-Drilling Method for Measuring Residual Stresses by : Gary S.
Download or read book Hole-Drilling Method for Measuring Residual Stresses written by Gary S. and published by Springer Nature. This book was released on 2022-05-31 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book describes the theory and practice of the Hole-Drilling Method for measuring residual stresses in engineering components. Such measurements are important because residual stresses have a "hidden" character because they exist locked-in within a material, independent of any external load. These stresses are typically created during component manufacture, for example, during welding, casting, or forming. Because of their hidden nature, residual stresses are difficult to measure and consequently are often ignored. However, they directly add to loading stresses and can cause catastrophic failure if not properly included during engineering design. Thus, there is an urgent need to be able to identify and measure residual stresses conveniently and reliably. The Hole-Drilling Method provides an adaptable and well-proven method for measuring residual stresses in a wide range of materials and component types. It is convenient to use and gives reliable results. Because of the hidden nature of residual stresses, the measurement method must necessarily be indirect, thus, additional care and conceptual understanding are necessary to achieve successful results. This book provides a practical introduction to the Hole-Drilling Method, starting from its historical roots and going on to focus on its modern practice. The various chapters describe the nature of residual stresses, the principle of hole-drilling measurements, procedures and guidance on how to make successful measurements, and effective mathematical procedures for stress computation and analysis. The book is intended for practitioners who need to make residual stress measurements either occasionally or routinely, for practicing engineers, for researchers, and for graduate engineering and science students.
Book Synopsis Bolted/bonded Joints in Polymeric Composites by :
Download or read book Bolted/bonded Joints in Polymeric Composites written by and published by . This book was released on 1997 with total page 294 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Residual Stresses 2016 by : Thomas M. Holden
Download or read book Residual Stresses 2016 written by Thomas M. Holden and published by Materials Research Forum LLC. This book was released on 2017-03-15 with total page 638 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents the proceedings of the International Conference on Residual Stresses 10 and is devoted to the prediction/modelling, evaluation, control, and application of residual stresses in engineering materials. New developments, on stress-measurement techniques, on modelling and prediction of residual stresses and on progress made in the fundamental understanding of the relation between the state of residual stress and the material properties, are highlighted. The proceedings offer an overview of the current understanding of the role of residual stresses in materials used in wide ranging application areas.
