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Crack Path Determination For Non Proportional Mixed Mode Fatigue
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Book Synopsis Crack Path Determination for Non-proportional Mixed-mode Fatigue by :
Download or read book Crack Path Determination for Non-proportional Mixed-mode Fatigue written by and published by . This book was released on 2009 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective of this work is to study crack path deflection under proportional and non-proportional mixed-mode fatigue and predict crack branching direction based on linear elastic fracture mechanics (LEFM) driving forces. Under proportional in-phase mixed Mode I / Mode II loading conditions, crack growth direction has previously been observed in some materials to shift from tensile-dominated Mode I to shear-dominated Mode II or mixed-mode crack growth at higher proportions of initial Mode II loading, but non-proportional loads are not well-characterized. An LEFM approach is desired in order to implement the model in crack growth software such as the boundary element-based fracture analysis package FRANC3D. A novel specimen configuration has been designed and analyzed for generation of wide ranges of mixed-mode loading conditions in a single test. This specimen and a more conventional thin-walled tubular specimen have been used to test polycrystalline nickel-base superalloy Inconel 718 under proportional in-phase and 3 kinds of non-proportional fatigue loading. Stress intensity factors for the various configurations have been analyzed with FRANC3D. Modal transition from Mode I (tensile) to Mode II (shear) crack branching has been observed in several load cases. Qualitative microscopy of fracture surfaces was used to characterize the difference between crack branch modes. An LEFM approach based on an effective stress intensity factor range, which incorporates the maximum value and range of each appropriate stress intensity (Mode I or Mode II), has been used to successfully predict the crack deflection angles, and in some cases to quantify modal transition, within each load case considered. Variability between load cases and specimen configurations points to the limitations of LEFM in providing a general predictor of crack path behavior across all types of non-proportional mixed mode loading.
Book Synopsis Fatigue Crack Growth Under Non-proportional Mixed Mode I+II Loading by : Peter Dahlin
Download or read book Fatigue Crack Growth Under Non-proportional Mixed Mode I+II Loading written by Peter Dahlin and published by . This book was released on 2003 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fatigue Crack Growth Rate Under Sequential Non-proportional Mixed Mode I and II Loading Cycles by : Sik Lun Wong
Download or read book Fatigue Crack Growth Rate Under Sequential Non-proportional Mixed Mode I and II Loading Cycles written by Sik Lun Wong and published by . This book was released on 1994 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fatigue and Fracture Behaviour of Additively Manufactured Mechanical Components by : Roberto Citarella
Download or read book Fatigue and Fracture Behaviour of Additively Manufactured Mechanical Components written by Roberto Citarella and published by MDPI. This book was released on 2021-02-19 with total page 150 pages. Available in PDF, EPUB and Kindle. Book excerpt: The advent of additive manufacturing (AM) processes applied to the fabrication of structural components creates the need for design methodologies supporting structural optimization approaches that take into account the specific characteristics of the process. While AM processes enable unprecedented geometrical design freedom, which can result in significant reductions of component weight, on the other hand they have implications in the fatigue and fracture strength due to residual stresses and microstructural features. This is linked to stress concentration effects and anisotropy that still warrant further research. This Special Issue of Applied Sciences brings together papers investigating the features of AM processes relevant to the mechanical behavior of AM structural components, particularly, but not exclusively, from the viewpoints of fatigue and fracture behavior. Although the focus of the issue is on AM problems related to fatigue and fracture, articles dealing with other manufacturing processes with related problems are also be included.
Book Synopsis Advanced Methods of Fatigue Assessment by : Dieter Radaj
Download or read book Advanced Methods of Fatigue Assessment written by Dieter Radaj and published by Springer Science & Business Media. This book was released on 2013-05-13 with total page 507 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Mixed-mode Crack Behavior by : Keith John Miller
Download or read book Mixed-mode Crack Behavior written by Keith John Miller and published by ASTM International. This book was released on 1999 with total page 340 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Ships and Offshore Structures XIX by : Carlos Guedes Soares
Download or read book Ships and Offshore Structures XIX written by Carlos Guedes Soares and published by CRC Press. This book was released on 2015-09-03 with total page 976 pages. Available in PDF, EPUB and Kindle. Book excerpt: This three-volume work presents the proceedings from the 19th International Ship and Offshore Structures Congress held in Cascais, Portugal on 7th to 10th September 2015. The International Ship and Offshore Structures Congress (ISSC) is a forum for the exchange of information by experts undertaking and applying marine structural research.The aim of
Book Synopsis Mixed Mode Crack Growth Under Non-proportional Loading by :
Download or read book Mixed Mode Crack Growth Under Non-proportional Loading written by and published by . This book was released on 2001 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Damage in Composite Materials by : K. Reifsnider
Download or read book Damage in Composite Materials written by K. Reifsnider and published by ASTM International. This book was released on 1982 with total page 298 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Multiaxial Fatigue and Fracture by : E. Macha
Download or read book Multiaxial Fatigue and Fracture written by E. Macha and published by Elsevier. This book was released on 1999-09-06 with total page 289 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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 growth Most 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.
Book Synopsis The Life of Cracks by : Srečko Glodež
Download or read book The Life of Cracks written by Srečko Glodež and published by Cambridge Scholars Publishing. This book was released on 2020-07-13 with total page 175 pages. Available in PDF, EPUB and Kindle. Book excerpt: Many people find the concept of fracture and damage mechanics to be somewhat problematic, mainly because, until recently, close attention in mechanics was focused especially on the strength and resistance of materials. In this sense, to speak of fracture is as uncomfortable for some as it is to speak of a deadly disease. In confronting and preventing a fatal disease, one must understand its complexity, symptoms, and behavior; by the same token, in securing the strength of an engineering structure, one must understand the reasons and type of its potential failure. This book will provide knowledge and insights on this matter to its readers.
Book Synopsis Proceedings of Crack Paths (CP 2006), Parma Italy 2006 by :
Download or read book Proceedings of Crack Paths (CP 2006), Parma Italy 2006 written by and published by Gruppo Italiano Frattura. This book was released on with total page 806 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Growth of Fatigue Cracks Subjected to Non-proportional Mode I and II by : Peter Dahlin
Download or read book Growth of Fatigue Cracks Subjected to Non-proportional Mode I and II written by Peter Dahlin and published by . This book was released on 2005 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Modeling of Mixed-mode Fatigue Crack Propagation by : Liming Liu
Download or read book Modeling of Mixed-mode Fatigue Crack Propagation written by Liming Liu and published by . This book was released on 2008 with total page 146 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Multiaxial Fatigue by : Keith John Miller
Download or read book Multiaxial Fatigue written by Keith John Miller and published by ASTM International. This book was released on 1985 with total page 760 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Analysis of Fatigue Crack Propagation Under Mixed Mode II + III in ARMCO Iron by :
Download or read book Analysis of Fatigue Crack Propagation Under Mixed Mode II + III in ARMCO Iron written by and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Determination of Stress Intensity Factors for Interface Cracks Under Mixed-mode Loading by :
Download or read book Determination of Stress Intensity Factors for Interface Cracks Under Mixed-mode Loading written by and published by . This book was released on 1992 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt:
