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Fracture and Fatigue Emanating from Stress Concentrators

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ISBN-10: 1402016093

ISBN-13: 9781402016097

Edition: 2003

Authors: G. Pluvinage

List price: $145.00
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Description:

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…    
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Book details

List price: $145.00
Copyright year: 2003
Publisher: Springer
Publication date: 12/31/2003
Binding: Hardcover
Pages: 233
Size: 6.50" wide x 9.50" long x 0.50" tall
Weight: 1.144
Language: English

Preface
Notch effects in fracture and fatigue
Notch effects in fracture
Notch effects in fatigue
Conclusion
Stress distribution at notch tip
Introduction
Elastic stress distribution at notch tip
Stress distribution at notch tip for perfectly plastic material
Stress distribution for an elastic perfectly plastic material
Elastoplastic stress distribution for a strain hardening material
Conclusion
Stress concentration factor
Definition of the stress concentration factor
Elastoplastic stress and strain concentration factor
Relationship between the elastic and elasto-plastic concentration stress and strain concentration factors and the elastic one
Evolution of elastic and elasto-plastic stress (or strain) concentration factor with net stress
Comparison of evolution with net stress
Conclusion
Concept of notch stress intensity factor and stress criteria for fracture emanating from notches
Introduction
Concept of stress intensity factor
Concept of notch stress intensity factor
Global stress criterion for fracture emanating from notches
Local stress criterion for fracture emanating from notches
Notch sensitivity in mixed mode fracture
Conclusion
Energy criteria for fracture emanating from notches
Introduction
Influence of notch radius on the J integral
Influence of notch radius on the &zgr; coefficients
Local energy criterion for fracture emanating from notches
Conclusion
Strain criteria for fracture emanating from notches
Introduction
Critical strain criterion for fracture emanating from notch
Strain distribution at the notch tip
Notch plastic zone
Conclusion
The use of notch specimens to evaluate the ductile to brittle transition temperature; the Charpy impact test
History of the Charpy impact test
Stress distribution at notch tip of a Charpy specimen
Local stress fracture criterion for Charpy V notch specimens
Influence of notch geometry on brittle-ductile transition in Charpy tests
Instrumented Charpy impact test
Equivalence fracture toughness KIc and impact resistance KCV
Conclusion
Notch effects in fatigue
Notch effects in fatigue and fatigue strength reduction factor
Relation between fatigue strength reduction factor and stress concentration factor
Volumetric approach
Influence of loading mode
Notch effects in low cycle fatigue
Conclusion
Role of stress concentration on fatigue of welded joints
Introduction
Stress concentration factor in welding cords
Fatigue strength reduction factor
Standard methods for the design against fatigue of welded components
Innovative methods for the design against fatigue of welded joints
Application of the effective stress concept to fatigue corrosion of welded joints
Conclusion
Short fatigue crack growth emanating from notches
Short cracks emanating from smooth surface
Short cracks emanating from notches
The role of the cyclic notch plastic zone
Stress intensity factor for short cracks and crack propagation
Conclusion
List of symbols
Index