Multiaxial Fatigue And Fracture
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Multiaxial Fatigue And Fracture
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Author : E. Macha
language : en
Publisher: Elsevier
Release Date : 1999-09-06
Multiaxial Fatigue And Fracture written by E. Macha and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999-09-06 with Technology & Engineering categories.
This volume contains 18 papers selected from 90 presented at the Fifth International Conference on Biaxial/Multiaxial Fatigue and Fracture held in Cracow, Poland 8-12 September 1997. The papers in this book deal with theoretical, computational and experimental aspects of the multiaxial fatigue and fracture of engineering materials and structures. The papers are divided into the following four categories: 1. Proportional cyclic loading 2. Non-proportional cyclic loading 3. Variable amplitude and random loading 4. Crack growthMost papers in this publication talk about the behaviour of constructional materials and elements of machines under non-proportional loading and under variable amplitude and random loading, which are more realistic load histories met in industrial practice. Variable amplitude loading under cyclic load with basic frequency and random loading under load with a continuous band of frequency is classified here. This book gives a review of the latest world success and directions of investigations on multiaxial fatigue and fracture. More and more often publications are results of the co-operation of researchers from different laboratories and countries. Seven out of eighteen papers included here were worked out by international authors teams. This is a symptom of the times, when science and investigations know no borders.
Biaxial Multiaxial Fatigue And Fracture
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Author : Andrea Carpinteri
language : en
Publisher: Elsevier
Release Date : 2003-03-19
Biaxial Multiaxial Fatigue And Fracture written by Andrea Carpinteri and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003-03-19 with Technology & Engineering categories.
The European Structural Integrity Society (ESIS) Technical Commitee on Fatigue of Engineering Materials and Structures (TC3) decided to compile a Special Technical Publication (ESIS STP) based on the 115 papers presented at the 6th International Conference on Biaxial/Multiaxial Fatigue and Fracture. The 25 papers included in the STP have been extended and revised by the authors. The conference was held in Lisbon, Portugal, on 25-28 June 2001, and was chaired by Manual De Freitas, Instituto Superior Tecnico, Lisbon. The meeting, organised by the Instituto Superior Tecnico and sponsored by the Portuguese Minesterio da Cienca e da Tecnologia and by the European Structural Integrity Society, was attended by 151 delegates from 20 countries. The papers in the present book deal with the theoretical, numerical and experimental aspects of the Multiaxial fatigue and fracture of engineering materials and structures. They are divided in to the following six sections; Multiaxial Fatigue of Welded Structures; High cycle Multiaxial fatigue; Non proportional and Variable-Amplitude loading; Defects, Notches, Crack Growth; Low Cycle Multiaxial Fatigue; Applications and Testing Methods. As is well-known, most engineering components and structures in the mechanical, aerospace, power generation, and other industries are subjected to multiaxial loading during their service life. One of the most difficult tasks in design against fatigue and fracture is to translate the information gathered from uniaxial fatigue and fracture tests on engineering materials into applications involving complex states of cyclic stress-strain conditions. This book is the result of co-operation between many researchers from different laboratories, universities and industries in a number of countries.
Multiaxial Fatigue
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Author : Darrell Socie
language : en
Publisher: SAE International
Release Date : 1999-12-15
Multiaxial Fatigue written by Darrell Socie and has been published by SAE International this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999-12-15 with Technology & Engineering categories.
This book provides practicing engineers, researchers, and students with a working knowledge of the fatigue design process and models under multiaxial states of stress and strain. Readers are introduced to the important considerations of multiaxial fatigue that differentiate it from uniaxial fatigue.
Multiaxial Notch Fatigue
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Author : Luca Susmel
language : en
Publisher: Elsevier
Release Date : 2009-03-20
Multiaxial Notch Fatigue written by Luca Susmel and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-03-20 with Technology & Engineering categories.
Metal and composite components used in structural engineering not only contain geometrical features resulting in stress concentration phenomena, but they are also subjected to in-service multiaxial fatigue loading. To address the problem, structural engineers need reliable methodologies which allow for an adequate margin of safety. The book summarises methods devised by the author to design real components against multiaxial fatigue by taking full advantage not only of nominal but also of local stress-strain quantities.The book begins by reviewing definitions suitable for calculating the stress-strain quantities commonly used to perform fatigue assessment. The Modified Wöhler Curve Method is then explained in detail, by focusing attention on both the high- and the medium-cycle fatigue regime. The existing links between the multiaxial fatigue criterion and physical properties are also discussed. A procedure suitable for employing the method developed by the author to estimate fatigue damage both in notched and in welded components is explained. The Modified Manson-Coffin Curve method is investigated in depth, by reviewing those concepts playing a fundamental role in the so-called strain based approach. Lastly, the problem of performing the fatigue assessment of composite materials is addressed by considering design parameters influencing composite behaviour under complex cyclic loading paths and those criteria suitable for designing real components against multiaxial fatigue. The book also contains two appendices summarising experimental data from the technical literature. These appendices provide a unique and highly valuable resource for engineers. The appendices summarise around 100 values of the material characteristic length L, experimentally determined by testing specimens made of different engineering materials and about 4500 experimental fatigue results generated by testing plain, notched and welded specimens under constant-amplitude proportional and non-proportional multiaxial fatigue loading are listed. - Summarises methods devised by the author to design real components against multiaxial fatigue - Reviews definitions suitable for calculating the stress-strain quantities commonly used to perform fatigue assessment - Includes an in-depth explanation of both the Modified Wöhler Curve and Modified Manson-Coffin Curve Method
Biaxial Multiaxial Fatigue And Fracture
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Author : L. P Pook
language : en
Publisher:
Release Date : 2003
Biaxial Multiaxial Fatigue And Fracture written by L. P Pook and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Fracture mechanics categories.
Multiaxial Fatigue And Fracture A Literature Review
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Author :
language : en
Publisher:
Release Date : 1984
Multiaxial Fatigue And Fracture A Literature Review written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1984 with categories.
Problems often arise when attempting to determine the fatigue behaviour of structural components from laboratory data. A major reason for this lack of correlation is that most engineering components operate in stress environments significantly more complicated than uniaxial tension, the stress state in which most research studies are conducted. A review of the literature has shown that virtually all fatigue and fracture properties of metals and components are affected by multidirectional loading. In particular, variations in stress state compared with uniaxial tension produce the following effects: a) decreases in the fatigue limit by up to approximately 50%; b) increases or decreases in low-cycle fatigue life by factors of up to 20, depending on whether the stress in the second direction is tensile or compressive and is static or cyclic; c) out-of-phase loading also reduces the low-cycle fatigue life by a factor of up to 4 compared with in-phase loading; and d) acceleration and retardations of fatigue crack growth rates by factors of 3 to 4 depending on the nature of the transverse stress. It is also evident that multiaxial criteria used for design purposes can be non-conservative, especially under out-of-phase loading, and consequently can lead to unsafe estimates of the fatigue life of a component. Originator supplied keywords include: Multiaxial stress; Low cycle fatigue; Fracture properties; Fatigue tests; Crack propagation; Metal fatigue.
Mixed Mode Crack Behavior
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Author : Keith John Miller
language : en
Publisher: ASTM International
Release Date : 1999
Mixed Mode Crack Behavior written by Keith John Miller and has been published by ASTM International this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Technology & Engineering categories.
Proceedings Of The 17th International Conference On New Trends In Fatigue And Fracture
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Author : Ricardo R. Ambriz
language : en
Publisher: Springer
Release Date : 2017-11-17
Proceedings Of The 17th International Conference On New Trends In Fatigue And Fracture written by Ricardo R. Ambriz and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-11-17 with Technology & Engineering categories.
This book presents the proceedings of one of the major conferences in fatigue, fracture and structural integrity (NT2F). The papers are organized and divided in five different themes: fatigue and fracture mechanics of structures and advanced materials; fatigue and fracture in pressure vessels and pipelines: mechanical behavior and structural integrity of welded, bonded and bolted joints; residual stress and environmental effects on the fatigue behavior; and simulation methods, analytical and computation models in fatigue and fracture.
Advances In Multiaxial Fatigue
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Author : David L. McDowell
language : en
Publisher: ASTM International
Release Date : 1993
Advances In Multiaxial Fatigue written by David L. McDowell and has been published by ASTM International this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with Technology & Engineering categories.
Papers presented at the ASTM Symposium on Multiaxial Fatigue, held in San Diego, November 1991, to communicate the most recent international advances in multiaxial cyclic deformation and fatigue research as well as applications to component analysis and design. The 24 papers are grouped into five ca
Fracture And Fatigue Emanating From Stress Concentrators
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Author : G. Pluvinage
language : en
Publisher: Springer Science & Business Media
Release Date : 2003-12-31
Fracture And Fatigue Emanating From Stress Concentrators written by G. Pluvinage and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003-12-31 with Technology & Engineering categories.
A vast majority of failures emanate from stress concentrators such as geometrical discontinuities. The role of stress concentration was first highlighted by Inglis (1912) who gives a stress concentration factor for an elliptical defect, and later by Neuber (1936). With the progress in computing, it is now possible to compute the real stress distribution at a notch tip. This distribution is not simple, but looks like pseudo-singularity as in principle the power dependence with distance remains. This distribution is governed by the notch stress intensity factor which is the basis of Notch Fracture Mechanics. Notch Fracture Mechanics is associated with the volumetric method which postulates that fracture requires a physical volume. Since fatigue also needs a physical process volume, Notch Fracture Mechanics can easily be extended to fatigue emanating from a stress concentration.