An Analysis Of Notch Size Effects At The Fatigue Limit
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An Analysis Of Notch Size Effects At The Fatigue Limit
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Author : DL. Du Quesnay
language : en
Publisher:
Release Date : 1988
An Analysis Of Notch Size Effects At The Fatigue Limit written by DL. Du Quesnay and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with Fatigue (metals) categories.
This investigation examines the variation of the fatigue notch factor with notch size for sharp and blunt notches. Analytical expressions are developed to predict the fatigue notch factor for sharp notches based on short crack fracture mechanics and for blunt notches based on Neuber's rule. Experimental evidence to support these expressions is provided together with fatigue notch factors for circularly center-notched plate specimens of 2024-T351 aluminum and SAE 1045 steel. The notch diameters were varied from 0.24 to 5.0 mm. The specimens were tested in laboratory air under uniaxial constant-amplitude loading at load ratios of R = -1 and R = 0. Further experimental evidence to support the analysis is provided by data from the literature for two low carbon steels and a copper. At the fatigue limit, the fatigue notch factor increases with notch size for sharp notches. However, a notch-size effect does not occur for blunt notches. The observed notch-size effects from this and other investigations are in good agreement with the analytical expressions that are presented.
Unified Notch Strength Analysis For Wrought Aluminum Alloys
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Author : Paul Kuhn
language : en
Publisher:
Release Date : 1962
Unified Notch Strength Analysis For Wrought Aluminum Alloys written by Paul Kuhn and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1962 with Aluminum alloys categories.
Notch Effects In Fatigue And Fracture
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Author : G. Pluvinage
language : en
Publisher: Springer Science & Business Media
Release Date : 2001-05-31
Notch Effects In Fatigue And Fracture 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 2001-05-31 with Science categories.
As Directors of this NATO Workshop, we welcome this opportunity to record formally our thanks to the NATO Scientific Affairs Division for making our meeting possible through generous financial support and encouragement. This meeting has two purposes: the first obvious one because we have collected scientists from East, far East and west to discuss new development in the field of fracture mechanics: the notch fracture mechanics. The second is less obvious but perhaps in longer term more important that is the building of bridges between scientists in the frame of a network called Without Walls Institute on Notch Effects in Fatigue and Fracture". Physical perception of notch effects is not so easy to understand as the presence of a geometrical discontinuity as a worst effect than the simple reduction of cross section. Notch effects in fatigue and fracture is characterised by the following fundamental fact: it is not the maximum local stress or stress which governs the phenomena of fatigue and fracture. The physic shows that a process volume is needed probably to store the necessary energy for starting and propagating the phenomenon. This is a rupture of the traditional "strength of material" school which always give the prior importance of the local maximum stress. This concept of process volume was strongly affirmed during this workshop.
Theory Of Elasticity And Stress Concentration
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Author : Yukitaka Murakami
language : en
Publisher: John Wiley & Sons
Release Date : 2016-09-13
Theory Of Elasticity And Stress Concentration written by Yukitaka Murakami and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-09-13 with Technology & Engineering categories.
Theory of Elasticity and Stress Concentration Yukitaka Murakami, Kyushu University, Japan A comprehensive guide to elasticity and stress concentration Theory of Elasticity and Stress Concentration comprehensively covers elasticity and stress concentration and demonstrates how to apply the theory to practical engineering problems. The book presents a new approach to the topic without the need for complicated mathematics, and the principles and meaning of stress concentration are covered without reliance on numerical analysis. The book consists of two parts: Part I - Theory of Elasticity and Part II - Stress Concentration. Part I treats the theory of elasticity from the viewpoint of helping the reader to comprehend the essence of it. Part II treats the principle and meaning of stress concentration and guides the reader to a better understanding of it. Throughout the book, many useful and interesting applications of the basic new way of thinking are presented and explained. Key features: Unique approach to the topics. Encourages the readers to acquire the new way of thinking and engineering judgement. Includes examples, problems and solutions. This book provides essential reading for researchers and practitioners in the structural and mechanical engineering industries.
Section And Notch Size Effects In Fatigue
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Author : David Thomas Raske
language : en
Publisher:
Release Date : 1972
Section And Notch Size Effects In Fatigue written by David Thomas Raske and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1972 with Metals categories.
Theory Of Notch Stresses
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Author : Heinz Neuber
language : en
Publisher:
Release Date : 1946
Theory Of Notch Stresses written by Heinz Neuber and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1946 with Technology & Engineering categories.
Effect Of Notches On Low Cycle Fatigue
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Author : B. M. Wundt
language : en
Publisher: ASTM International
Release Date : 1972
Effect Of Notches On Low Cycle Fatigue written by B. M. Wundt and has been published by ASTM International this book supported file pdf, txt, epub, kindle and other format this book has been release on 1972 with Electronic book categories.
Interpretation Of The Fatigue Notch Size Effect Using An Analytical Model For Estimating Total Fatigue Life
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Author : W. Chen
language : en
Publisher:
Release Date : 1979
Interpretation Of The Fatigue Notch Size Effect Using An Analytical Model For Estimating Total Fatigue Life written by W. Chen and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1979 with categories.
A recent developed model for the nonarbitrary definition of the initiated crack length provides a useful means for studying the fatigue notch size effect.
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
An Analytical Study Of The Fatigue Notch Size Effect
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Author : Pranab Kanti Mazumdar
language : en
Publisher:
Release Date : 1981
An Analytical Study Of The Fatigue Notch Size Effect written by Pranab Kanti Mazumdar and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1981 with categories.