From previous investigations of the mechanisms of both fracture and fatigue crack propagation, the static fracture model proposed by Lal and Weiss may be thought as reasonable for describing fatigue crack propagation in metals at both low and interm~iate stress intensity factor ranges AK. Recent pro
Fatigue crack propagation in torsion
โ Scribed by J.A.H. Hult
- Publisher
- Elsevier Science
- Year
- 1957
- Tongue
- English
- Weight
- 330 KB
- Volume
- 6
- Category
- Article
- ISSN
- 0022-5096
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The transient fatigue crack prorate resufting from the sudden change of the stress intensity factor amplitude or from the change of the stress cycle asymmetry or from the application of the single overload cycle was measured on carbon steel specimens. To simplify the con~tions and to increase the sc
The structure is discretixed and represented by a system of linear differential equations. Cracks are modelled as local flexibilities. Application on a 4-node rotor with a circumferential crack illustrates the dynamic crack arrest. The depth of the crack determines the local stiffness introduced by