Propagation of short fatigue cracks from notches in a Ni base superalloy: Experiments and modelling

Fatigue and Fracture of Engineering Materials and Structures

Volumn 25, Issue 1, 2002, Pages 41-53

  Sansoz, F ^a   Brethes, B ^b   Pineau, A ^a  

^a PSL RESEARCH UNIVERSITY   (France)

^b SNECMA   (France)

Author keywords

Crack closure; Finite element calculations; Short fatigue cracks; Three dimensional effects

Indexed keywords

COMPUTER SIMULATION; FATIGUE OF MATERIALS; FATIGUE TESTING; FINITE ELEMENT METHOD; NICKEL ALLOYS; PLASTICITY; STRESS CONCENTRATION; STRESS INTENSITY FACTORS; SUPERALLOYS;

CRACK ASPECT RATIO; CRACK CLOSURE EFFECT; ELASTO-VISCOPLASTIC CONSTITUTIVE EQUATIONS; HIGH RESOLUTION OPTICAL MEASUREMENT TECHNIQUE; NON-UNIFORM STRESS FIELDS; POTENTIAL DROP METHOD; SHORT FATIGUE CRACKS; THREE DIMENSIONAL EFFECTS; WEIGHT FUNCTIONS METHOD;

CRACK PROPAGATION;

EID: 0036165506     PISSN: 8756758X     EISSN: None     Source Type: Journal    
DOI: 10.1046/j.1460-2695.2002.00431.x     Document Type: Article

References (32)

1. Propagation of short fatigue cracks
2. Initiation of fatigue cracks in commercial aluminium alloys and the subsequent propagation of very short cracks
3. The growth of small fatigue cracks in 7075-T6 aluminium
4. A critical study of the crack closure effect on near threshold fatigue crack growth
5. A crack closure study to predict the threshold behaviour of small cracks
6. The significance of fatigue crack closure
7. Fatigue cracks at notches
8. Displacement controlled fatigue crack growth in inelastic notch fields: Implications for short cracks
9. Fatigue crack growth at stress concentrations-the role of notch plasticity and crack closure
10. Small crack growth and fatigue life predictions for high-strength aluminium alloys: Part I - Experimental and fracture mechanics analysis
11. Fatigue-life predictions methodology using small crack theory
12. Crack closure effect on crack growth rate at 650°C in double notched specimens of a nickel base superalloy
13. Influence of a negative R ratio on the creep-fatigue behaviour of the N18 nickel base superalloy
14. Constraint loss model for the growth of surface fatigue cracks
15. Stress intensity factors for low aspect ratio semi-elliptical surface cracks in finite-thickness plates subjected to non uniform stresses
16. Stress intensity factors and weight functions for high aspect ratio semi-elliptical surface cracks in finite-thickness plates
17. High temperature fatigue of Ni-base superalloys: Microstructural and environmental effect
18. Study of the coupled phenomena involved in the oxydation assisted intergranular cracking of Ni based superalloys
19. Microstructure and propagation de fissures dans la soudure par friction-inertie de l'alliage N18
20. An empirical stress-intensity factor equation for the surface crack
21. Propagation des fissures à haute température dans le superalliage N18 pour disques de turbomachine. Interactions entre la nature des sollicitations mecaniques et des effets d'oxydation
22. Propagation des petites fissures de fatigue dans les zones de concentration de contraintes dans le superalliage N18
23. Short fatigue crack propagation from notches in N18 Ni based superalloy
24. A strain intensity approach to high temperature fatigue crack growth and failure
25. Closure behaviour of surface cracks
26. Three-dimensional aspects of fatigue crack closure in surface flaws in PMMA material
27. Fatigue crack growth and closure behaviour of semi-circular and semi-elliptical surface flaws
28. On the finite element simulation of three-dimensional semi-circular fatigue crack growth and closure
29. Elastic-plastic analysis of a propagating crack under cyclic loading
30. On the finite element analysis of fatigue crack closure. Part 1 and 2
31. Geometry variations during fatigue growth of surface flaws