Residual Stresses 2016

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Residual Stresses 2016

Thomas M. Holden,Ondrej Muránsky,Lyndon Edwards
Residual Stresses 2016 Book PDF

Author : Thomas M. Holden,Ondrej Muránsky,Lyndon Edwards
Publisher : Materials Research Forum LLC
Page : 630 pages
File Size : 55,7 Mb
Release : 2017-03-15
Category : Technology & Engineering
ISBN : 9781945291173

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Residual Stresses 2016 by Thomas M. Holden,Ondrej Muránsky,Lyndon Edwards Pdf

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.

Residual Stresses 2016

Thomas M. Holden,Ondrej Muránsky,Lyndon Edwards
Residual Stresses 2016 Book PDF

Author : Thomas M. Holden,Ondrej Muránsky,Lyndon Edwards
Publisher : Unknown
Page : 632 pages
File Size : 46,6 Mb
Release : 2017-03-15
Category : Technology & Engineering
ISBN : 1945291168

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Residual Stresses 2016 by Thomas M. Holden,Ondrej Muránsky,Lyndon Edwards Pdf

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.

Residual Stresses 2018

Marc Seefeldt
Residual Stresses 2018 Book PDF

Author : Marc Seefeldt
Publisher : Materials Research Forum LLC
Page : 310 pages
File Size : 45,8 Mb
Release : 2018-10-10
Category : Technology & Engineering
ISBN : 9781945291890

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Residual Stresses 2018 by Marc Seefeldt Pdf

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.

Residual Stresses in Composite Materials

Mahmood M. Shokrieh
Residual Stresses in Composite Materials Book PDF

Author : Mahmood M. Shokrieh
Publisher : Woodhead Publishing
Page : 504 pages
File Size : 40,6 Mb
Release : 2021-06-22
Category : Technology & Engineering
ISBN : 9780128188187

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Residual Stresses in Composite Materials by Mahmood M. Shokrieh Pdf

The residual stress is a common phenomenon in composite materials. They can either add to or significantly reduce material strength. Because of the increasing demand for high-strength, lightweight materials such as composites and their wide range of applications; it is critical that the residual stresses of composite materials are understood and measured correctly. The first edition of this book consists of thirteen chapters divided into two parts. The first part reviews destructive and non-destructive testing (NDT) techniques for measuring residual stresses. There are also additional chapters on using mathematical (analytical and numerical) methods for the calculation of residual stresses in composite materials. These include 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 measuring residual stresses in different types of composites including polymer and metal matrix composites. The addition of nanoparticles to the matrix of polymeric composites as a new technique for the reduction of residual stresses is also discussed. In the Second Edition of this book, each of the original chapters of the first edition has been fully updated, taking into account the latest research and new developments. There are also five new chapters on the theoretical and experimental studies of residual stresses in the composite integrated circuits; residual stresses in additive manufacturing of polymers and polymer matrix composites; residual stresses in metal matrix composites fabricated by additive manufacturing; the eigenstrain based method for the incremental hole-drilling technique; and the estimation of residual stresses in polymer matrix composites using the digital image correlation technique. Residual Stresses in Composite Materials, Second Edition, provides a unique and 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. Presents the latest developments on theoretical and experimental studies of residual stresses in composites Reviews destructive and non-destructive testing (NDT) techniques for measuring residual stresses Discusses residual stresses in the polymer matrix, metal matrix, and ceramic matrix composites Considers the addition of nanoparticles to the matrix as a new technique for reduction of residual stresses in polymeric composites Introduces the latest advancements of research on the residual stresses in additive-manufactured polymer and metal matrix composites

International Conference on Residual Stresses

G. Beck,S. Denis,A. Simon
International Conference on Residual Stresses Book PDF

Author : G. Beck,S. Denis,A. Simon
Publisher : Springer Science & Business Media
Page : 1043 pages
File Size : 53,8 Mb
Release : 2012-12-06
Category : Technology & Engineering
ISBN : 9789400911437

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International Conference on Residual Stresses by G. Beck,S. Denis,A. Simon Pdf

Residual stresses are always introduced in materials when they are produced, or when they undergo non-uniform plastic deformation during use. The circumstances that can cause residual stresses are therefore numerous. Residual stresses exist in all materials and, depending on their distribution, can playa beneficial role (for example, compressive surface stress) or have a catastrophic effect, especially on fatigue behaviour and corrosion properties. The subject of residual stresses took form around 1970 with the development of methods to measure macroscopic deformations during the machining of materials or on an atomic scale by X-ray diffraction. These techniques have made considerable progress in the last 20 years. The meetings organized in several countries (Germany, France, Japan, etc. ) have largely contributed to this progress, aided by the numerous exchanges of information and knowledge to which they have given rise. Studies of the formation of residual stresses began more slowly, but have progressed with the emergence of increasingly realistic models of materials behaviour and with access to ever more powerful codes for numerical calculations. Two successive meetings for discussing this topic have been held in Europe. The first, held in 1982 in Nancy (France), consisted of 30 participants from 5 countries. The second was held in Linkoping (Sweden) in 1984, with 80 participants of 16 nationalities. It was decided to hold a first International Conference, ICRS, to address all aspects of the problem. Held in 1986 in Garmisch-Partenkirschen (FRG), it was an assembly of neady 300 participants from 21 countries.

Residual stresses, fatigue and deformation in cast iron

Mattias Lundberg
Residual stresses fatigue and deformation in cast iron Book PDF

Author : Mattias Lundberg
Publisher : Linköping University Electronic Press
Page : 44 pages
File Size : 55,8 Mb
Release : 2018-09-03
Category : Electronic
ISBN : 9789176853580

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Residual stresses, fatigue and deformation in cast iron by Mattias Lundberg Pdf

The complex geometry of cylinder heads in heavy-duty diesel engines makes grey iron or compact graphite iron a preferred material choice due to its price, castability, thermal conductivity and damping capacity. Today’s strict emission laws have increased the demands on engine performance and engine efficiency. This means that material properties such as fatigue resistance need to be improved. Shot peening is often used to improve the fatigue resistance of components and the benefits of shot peening are associated with the induced compressive surface stresses and surface hardening. How different shot peening parameters can affect fatigue strength of grey and compact graphite iron has been investigated within the project underlying this thesis. To do this, X-ray diffraction (XRD) was utilized for residual stress measurements, scanning electron microscopy (SEM) for microstructural characterizations and mechanical fatigue testing for mechanical quantifications. The ultimate aim of this work has been to increase the fatigue resistance of cast iron by residual stress optimization. XRD measurements and SEM examinations revealed that the shot peening parameters shot size and peening intensity significantly influence residual stresses and surface deformation. Residual stress profiles, similar to the one general considered to improve the fatigue strength in steels, were obtained for both grey and compact graphite iron. Uniaxial push-pull fatigue testing on grey iron with these shot peening parameters reduced the fatigue strength with 15–20 %. The negative effect is likely related to surface damage associated with over peening and relatively high subsurface tensile residual stresses. With very gentle shot peening parameters, the uniaxial fatigue strength were unaltered from the base material but when subjected to bending fatigue an increase in fatigue strength were observed. An alternative way to increase the fatigue strength was to conduct a 30 min annealing heat treatment at 285 XC which increased the fatigue strength by almost 10 % in uniaxial loading. The improvement could be an effect of favourable precipitates forming during the annealing, which could hinder dislocation movement during fatigue. Measuring residual stresses using XRD and the sin2 -method demands accurate X-ray elastic constants (XEC) for meticulous stress analysis. The XEC referred to as 1~2s2 should therefore always be calibrated for the specific material used. The experiments conducted revealed that the XEC value is independent of the testing method used in this work. A small correction from the theoretical value should be applied when the material contains small amounts of residual stresses. The amount of residual stresses has a great impact on the XEC and thus on the stress analysis. Concluding that proper analysis of residual stresses in cast iron is not straight forward.

New Challenges in Residual Stress Measurements and Evaluation

Caterina Casavola,Claudia Barile,Vincenzo Moramarco,Giovanni Pappalettera
New Challenges in Residual Stress Measurements and Evaluation Book PDF

Author : Caterina Casavola,Claudia Barile,Vincenzo Moramarco,Giovanni Pappalettera
Publisher : BoD – Books on Demand
Page : 158 pages
File Size : 55,6 Mb
Release : 2020-07-22
Category : Technology & Engineering
ISBN : 9781789849516

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New Challenges in Residual Stress Measurements and Evaluation by Caterina Casavola,Claudia Barile,Vincenzo Moramarco,Giovanni Pappalettera Pdf

Residual stresses (RS) are stresses present inside materials even in the absence of any applied load. They are of capital importance because they can impact greatly on the mechanical strength of the material, on its dimensional correspondence to design specifications as well as on the fatigue life of the part. RS measurement and evaluation is currently an important research topic where a lot of challenges still need to be addressed. This book aims to provide the reader with an overview of the principal novelties in this field including current limitations and potential future developments. Both radically new experimental approaches as well as recent evolutions of consolidated ones will be presented, along with the latest novelties in the area of numerical residual stress evaluation.

Mechanics and Materials Science

Tao Chin-wang
Mechanics and Materials Science Book PDF

Author : Tao Chin-wang
Publisher : World Scientific
Page : 1284 pages
File Size : 44,8 Mb
Release : 2017-09-25
Category : Technology & Engineering
ISBN : 9789813228184

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Mechanics and Materials Science by Tao Chin-wang Pdf

The 2016 International Conference on Mechanics and Materials Science (MMS2016) was held in Guangzhou, China on October 15-16, 2016. Aimed at providing an excellent international academic forum for all the researchers and practitioners, the conference attracted a wide spread participation among all over the universities and research institutes. MMS2016 features unique mixed topics of Mechatronics and Automation, Materials Science and Engineering, Materials Properties, Measuring Methods and Applications. This volume consists of 159 peer-reviewed articles by local and foreign eminent scholars, which cover the frontiers and hot topics in the relevant areas.

Residual Stress Analysis on Welded Joints by Means of Numerical Simulation and Experiments

Paolo Ferro,Filippo Berto
Residual Stress Analysis on Welded Joints by Means of Numerical Simulation and Experiments Book PDF

Author : Paolo Ferro,Filippo Berto
Publisher : BoD – Books on Demand
Page : 164 pages
File Size : 49,9 Mb
Release : 2018-05-16
Category : Technology & Engineering
ISBN : 9781789231069

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Residual Stress Analysis on Welded Joints by Means of Numerical Simulation and Experiments by Paolo Ferro,Filippo Berto Pdf

The ability to quantify residual stresses induced by welding processes through experimentation or numerical simulation has become, today more than ever, of strategic importance in the context of their application to advanced design. This is an ongoing challenge that commenced many years ago. Recent design criteria endeavour to quantify the effect of residual stresses on fatigue strength of welded joints to allow a more efficient use of materials and a greater reliability of welded structures. The aim of the present book is contributing to these aspects of design through a collection of case-studies that illustrate both standard and advanced experimental and numerical methodologies used to assess the residual stress field in welded joints. The work is intended to be of assistance to designers, industrial engineers and academics who want to deepen their knowledge of this challenging topic.

Finite Element Simulation of Residual Stresses from Welding and High Frequency Hammer Peening

Gkatzogiannis, Stefanos
Finite Element Simulation of Residual Stresses from Welding and High Frequency Hammer Peening Book PDF

Author : Gkatzogiannis, Stefanos
Publisher : KIT Scientific Publishing
Page : 316 pages
File Size : 40,5 Mb
Release : 2022-06-30
Category : Technology & Engineering
ISBN : 9783731510666

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Finite Element Simulation of Residual Stresses from Welding and High Frequency Hammer Peening by Gkatzogiannis, Stefanos Pdf

Research goal of the present monograph is the establishment of an efficient engineering approach, which will include straightforward but accurate simulation models, in order to estimate the residual stress fields of welded joints introduced during welding and their post-weld treatment with High Frequency Hammer Peening. The present subject lies on the intersection of structural engineering, material science and computational mechanics.

Additive Manufacturing Technologies and Applications

Salvatore Brischetto,Paolo Maggiore,Carlo Giovanni Ferro
Additive Manufacturing Technologies and Applications Book PDF

Author : Salvatore Brischetto,Paolo Maggiore,Carlo Giovanni Ferro
Publisher : MDPI
Page : 189 pages
File Size : 44,9 Mb
Release : 2018-07-09
Category : Electronic
ISBN : 9783038425489

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Additive Manufacturing Technologies and Applications by Salvatore Brischetto,Paolo Maggiore,Carlo Giovanni Ferro Pdf

This book is a printed edition of the Special Issue "Additive Manufacturing Technologies and Applications" that was published in Technologies

Residual Stresses in Composite Materials

Mahmood M. Shokrieh
Residual Stresses in Composite Materials Book PDF

Author : Mahmood M. Shokrieh
Publisher : Woodhead Publishing
Page : 404 pages
File Size : 52,9 Mb
Release : 2014-02-14
Category : Technology & Engineering
ISBN : 9780857098597

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Residual Stresses in Composite Materials by Mahmood M. Shokrieh Pdf

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

Micro Process and Quality Control of Plasma Spraying

Guozheng Ma,Shuying Chen,Haidou Wang
Micro Process and Quality Control of Plasma Spraying Book PDF

Author : Guozheng Ma,Shuying Chen,Haidou Wang
Publisher : Springer Nature
Page : 679 pages
File Size : 44,5 Mb
Release : 2022-09-08
Category : Technology & Engineering
ISBN : 9789811927423

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Micro Process and Quality Control of Plasma Spraying by Guozheng Ma,Shuying Chen,Haidou Wang Pdf

This book focuses on the basic physical process and chemical reaction of plasma spraying particle melting, flight and deposition. It introduces the basic scientific contents such as the basic characteristics and spraying principle of plasma arc, the interaction between spraying particles in flight section and plasma jet, the spreading and solidification behavior of single droplet and the performance test of flat particles, macro performance evaluation and quality optimization of coating. The typical applications of plasma spraying coating and the new developing direction of plasma spraying technology are summarized. This book will be helpful for the graduate students, researchers, as well as engineers in the field of plasma spray.

Functional Thin Films Technology

Sam Zhang,Jyh-Ming Ting,Wan-Yu Wu
Functional Thin Films Technology Book PDF

Author : Sam Zhang,Jyh-Ming Ting,Wan-Yu Wu
Publisher : CRC Press
Page : 336 pages
File Size : 48,7 Mb
Release : 2021-08-08
Category : Technology & Engineering
ISBN : 9781000408409

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Functional Thin Films Technology by Sam Zhang,Jyh-Ming Ting,Wan-Yu Wu Pdf

Functional Thin Films Technology features the functional aspects of thin films, such as their application in solar selective absorbers, fiber lasers, solid oxide fuel cells, piezo-related areas, catalysts, superhydrophobicity, semiconductors, and trace pesticides detection. It highlights developments and advances in the preparation, characterization, and applications of functional micro-/nano-scaled films and coatings. This book Presents technologies aimed at functionality used in nanoelectronics, solar selective absorbers, solid oxide fuel cells, piezo-applications, and sensors Covers absorbers, catalysts, anodic aluminum oxide, superhydrophobics, and semiconductor devices Features a chapter on transport phenomena associated to structures Discusses transport phenomena and material informatics This second volume in the two-volume set, Protective Thin Coatings and Functional Thin Films Technology, will benefit industry professionals and researchers working in areas related to semiconductors, optoelectronics, plasma technology, solid-state energy storages, and 5G, as well as advanced students studying electrical, mechanical, chemical, and materials engineering.

Residual Stress Distributions in Additively Manufactured Parts

Prabhat Pant
Residual Stress Distributions in Additively Manufactured Parts Book PDF

Author : Prabhat Pant
Publisher : Linköping University Electronic Press
Page : 47 pages
File Size : 46,7 Mb
Release : 2020-03-05
Category : Electronic
ISBN : 9789179299132

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Residual Stress Distributions in Additively Manufactured Parts by Prabhat Pant Pdf

Additive manufacturing (AM) of parts using a layer by layer approach has seen a rapid increase in application for production of net shape or near-net shape complex parts, especially in the field of aerospace, automotive, etc. Due to the superiority of manufacturing complex shapes with ease in comparison to the conventional methods, interest in these kinds of processes has increased. Among various methods in AM, laser powder bed fusion (LPBF) is one of the most widely used techniques to produce metallic components. As in all manufacturing processes, residual stress (RS) generation during manufacturing is a relevant issue for the AM process. RS in AM are generated due to a high thermal gradient between subsequent layers. The impact of residual stresses can be significant for the mechanical integrity of the built parts and understanding the generation of RS and the effect of AM process parameters is therefore important for a broader implementation of AM techniques. The work presented in this licentiate thesis aims to investigate the influence of build orientation on the RS distribution in AM parts. For this purpose, L-shaped Inconel 718 parts were printed by LPBF in three different orientations, 0°, 45°, and 90°, respectively. Inconel 718 was selected because it is a superalloy widely used for making gas turbine components. In addition, IN718 has in general good weldability which renders it a good material for additive manufacturing. Residual stress distributions in the parts removed from the build plate were measured using neutron diffraction technique. A simple finite element model was developed to predict the residual stresses and the effect of RS relaxation due to the separation of the parts and build plate. The trend of residual stress distribution predicted was in good agreement with experimental results. In general, compressive RS at the part center and tensile RS near the surface were found. However, while the part printed in 0° orientation had the least amount of RS in all three principal directions of part, the part built in 90° orientation possessed the highest amount of RS in both compression and tension. The study has shown that residual stress distributions in the parts are strongly dependent on the building process. Further, it has shown that the relaxation of RS associated with the removal of the parts from the build plate after printing has a great impact on the final distribution of residual stress in the parts. These results can be used as guidelines for choosing the orientations of the part during printing.