Fracture and Fatigue Emanating from Stress Concentrators
Seiten
2010
|
Softcover reprint of the original 1st ed. 2003
Springer (Verlag)
978-90-481-6417-2 (ISBN)
Springer (Verlag)
978-90-481-6417-2 (ISBN)
This distribution is governed by the notch stress intensity factor which is the basis of Notch Fracture Mechanics. Since fatigue also needs a physical process volume, Notch Fracture Mechanics can easily be extended to fatigue emanating from a stress concentration.
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.
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.
Notch Effects in Fracture and Fatigue.- Stress Distribution at Notch Tip.- Stress Concentration Factor.- Concept of Notch Stress Intensity Factor and Stress Criteria for Fracture Emanating from Notches.- Energy Criteria for Fracture Emanating from Notch.- Strain Criteria for Fracture Emanating from Notches.- The Use of Notch Specimens to Evaluate the Ductile to Brittle Transition Temperature; the Charpy Impact Test.- Notch Effects in Fatigue.- Role of Stress Concentration on Fatigue of Welded Joints.- Short Fatigue Grack Growth Emanating from Notches.
| Erscheint lt. Verlag | 1.12.2010 |
|---|---|
| Zusatzinfo | VII, 233 p. |
| Verlagsort | Dordrecht |
| Sprache | englisch |
| Maße | 155 x 235 mm |
| Themenwelt | Naturwissenschaften ► Physik / Astronomie ► Mechanik |
| Technik ► Bauwesen | |
| Technik ► Maschinenbau | |
| ISBN-10 | 90-481-6417-6 / 9048164176 |
| ISBN-13 | 978-90-481-6417-2 / 9789048164172 |
| Zustand | Neuware |
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