Elastic Plastic Behavior Of Short Fatigue Crack In Smooth Specimen
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Elastic Plastic Behavior Of Short Fatigue Crack In Smooth Specimen
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Author : T. Hoshide
language : en
Publisher:
Release Date : 1988
Elastic Plastic Behavior Of Short Fatigue Crack In Smooth Specimen written by T. Hoshide and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with Crack growth categories.
The fundamental problem posed in this study is that associated with the behavior of short surface crack in low-cycle fatigue, which plays a significant role in predicting fatigue life. In the investigation, low-cycle fatigue tests of smooth specimens were conducted under push-pull loading for several materials, and behaviors of cracks on the specimen surface were observed by means of a plastic replication technique. When the growth rate of surface cracks was correlated to J-integral range, the data for cracks longer than about three times grain-size without coalescence growth were found to coincide with the relation obtained for large through-thickness cracks. Other data, even when excluding the results with coalescence, shifted toward the higher-rate region than the large-crack relation. Such an acceleration was suggested to be due to the difference in growth mechanism.
Basic Questions In Fatigue
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Author : Jeffrey T. Fong
language : en
Publisher: ASTM International
Release Date : 1988
Basic Questions In Fatigue written by Jeffrey T. Fong and has been published by ASTM International this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with Materials categories.
Small Fatigue Cracks
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Author : K.S. Ravichandran
language : en
Publisher: Elsevier
Release Date : 1999-09-30
Small Fatigue Cracks written by K.S. Ravichandran and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999-09-30 with Technology & Engineering categories.
This book contains the fully peer-reviewed papers presented at the Third Engineering Foundation Conference on Small Fatigue Cracks, held under the chairmanship of K.S. Ravichandran and Y. Murakami during December 6-11, 1998, at the Turtle Bay Hilton, Oahu, Hawaii. This book presents a state-of-the-art description of the mechanics, mechanisms and applications of small fatigue cracks by most of the world's leading experts in this field. Topics ranging from the mechanisms of crack initiation, small crack behavior in metallic, intermetallic, ceramic and composite materials, experimental measurement, mechanistic and theoretical models, to the role of small cracks in fretting fatigue and the application of small crack results to the aging aircraft and high-cycle fatigue problems, are covered.
Cyclic Stress Strain And Plastic Deformation Aspects Of Fatigue Crack Growth
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Author : L. F. Impellizzeri
language : en
Publisher: ASTM International
Release Date : 1977
Cyclic Stress Strain And Plastic Deformation Aspects Of Fatigue Crack Growth written by L. F. Impellizzeri and has been published by ASTM International this book supported file pdf, txt, epub, kindle and other format this book has been release on 1977 with Aluminum alloys categories.
Nonlinear Fracture Mechanics Elastic Plastic Fracture
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Author : John D. Landes
language : en
Publisher: ASTM International
Release Date : 1988
Nonlinear Fracture Mechanics Elastic Plastic Fracture written by John D. Landes and has been published by ASTM International this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with Fracture mechanics categories.
Fracture And Fatigue
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Author : J. C. Radon
language : en
Publisher: Elsevier
Release Date : 2017-01-31
Fracture And Fatigue written by J. C. Radon and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-01-31 with Technology & Engineering categories.
Fracture and Fatigue: Elasto-Plasticity, Thin Sheet and Micromechanisms Problems covers the proceedings of the Third Colloquium on Fracture. The book discusses the development and applications of fracture mechanics. The contents of the text are organized according to the areas of concerns. The first part deals with elasto-plastic fracture mechanics, which includes topics such as fracture mechanics in the elastic-plastic regime and sizing of the geometry dependence and significance of maximum load toughness values. Part II covers the micromechanisms of fracture, which includes the aspects of crack growth under monotonic loading and the effect of secondary hardening on the fracture toughness of a bainitic microstructure. Part III concerns itself with thin sheet fracture mechanics, which includes R-curves evaluation for center-cracked panels and use of the R-curve for design with contained yield. The book will be of great interest to researchers and professionals whose work involves fracture mechanics.
Fatigue Crack Growth In The Highly Plastic Regime
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Author : YM. Baik
language : en
Publisher:
Release Date : 1997
Fatigue Crack Growth In The Highly Plastic Regime written by YM. Baik and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Crack closure categories.
This paper evaluates the performance of ?J*, ?J? and ?K as fracture parameters for center-cracked plate specimens of Alloy 718 under R?=0, nominally elastic and plastic loading at elevated temperatures. The parameters ?J* and ?J? are computed from the results of an elastic-plastic finite element analysis of crack growth. At 538°C the results show, in contrast to the previous results of R?=-1 strain control tests, that the correlation of crack growth rates with ?J* or ?J? deviates from the relation of the Paris law type while ?K gives a satisfactory correlation. The correlation at 649°C is poor for all three parameters. The finite element analysis shows that the crack closing behavior diminishes and eventually disappears as the crack tip plasticity increases due to crack growth or increased applied stress.
Fatigue And Fracture Mechanics
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Author : Robert S. Piascik
language : en
Publisher: ASTM International
Release Date : 1997
Fatigue And Fracture Mechanics written by Robert S. Piascik and has been published by ASTM International this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Aluminum alloys categories.
Advanced Methods Of Fatigue Assessment
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Author : Dieter Radaj
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-05-13
Advanced Methods Of Fatigue Assessment written by Dieter Radaj 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 2013-05-13 with Technology & Engineering categories.
In five chapters, this volume presents recent developments in fatigue assessment. In the first chapter, a generalized Neuber concept of fictitious notch rounding is presented where the microstructural support factors depend on the notch opening angle besides the loading mode. The second chapter specifies the notch stress factor including the strain energy density and J-integral concept while the SED approach is applied to common fillet welded joints and to thin-sheet lap welded joints in the third chapter. The forth chapter analyses elastic-plastic deformations in the near crack tip zone and discusses driving force parameters. The last chapter discusses thermomechanical fatigue, stress, and strain ranges.
A Practical Methodology For Elastic Plastic Fatigue Crack Growth
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Author : GG. Chell
language : en
Publisher:
Release Date : 1997
A Practical Methodology For Elastic Plastic Fatigue Crack Growth written by GG. Chell and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Combined loading categories.
A practical methodology is being developed to characterize elastic-plastic fatigue crack growth (EPFCG) behavior. The methodology will be implemented in engineering software for crack growth analysis and life prediction of advanced reusable aerospace propulsion systems. The correlating parameter upon which the methodology is based is the range of the J-integral, ?J. Existing J solutions are summarized, and robust methods for developing new J solutions under various loading configurations are introduced and validated. Some practical crack growth algorithms required to translate a J calculation into a quantitative prediction of EPFCG life are highlighted. Crack closure plays a significant role in the engineering characterization of EPFCG rates, and simple algorithms to estimate closure stresses are described. Other algorithms address the tearing-fatigue interaction near final instability and the estimation of required material properties. Early results from experimental verification tests are reported.