Probabilistic life of DA718 for aircraft engine disks

Proceedings of the International Symposium on Superalloys and Various Derivatives

Volumn , Issue , 2005, Pages 97-110

  Deyber, S ^a   Alexandre, F ^b   Vaissaud, J ^b   Pineau, A ^b  

^a SNECMA   (France)

^b PSL RESEARCH UNIVERSITY   (France)

Author keywords

Crack initiation; Direct aged IN718; Probabilistic model

Indexed keywords

CRACK INITIATION; DISKS (MACHINE COMPONENTS); JET ENGINES; MATHEMATICAL MODELS; MICROSTRUCTURE;

DIRECT-AGED IN718; PROBABILISTIC MODEL;

SUPERALLOYS;

EID: 33644866681     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.7449/2005/superalloys_2005_97_110     Document Type: Conference Paper

References (18)

1. D. Fournier, A. Pineau, quot;Low cycle fatigue behavior of Inconel 718 at 298K and 823Kquot; Metallurgical Transaction A. 8 (1977), 1095-1105.
2. F.Alexandre, Probabilistic and microstructural aspects of fatigue crack initiation in IN718 (Ecole des Mines de Paris PhD Thesis, 2004).
3. F.Alexandre, S.Deyber, A.Pineau, quot;Modelling the optimum grain size on the low cycle fatigue life of a Ni based superalloy in the presence of two possible crack initiation sitesquot;, Scripta Materialia, 50 (2004), 25-30.
4. Y. C. Fayman, quot;Microstructural Characterization and Elemental Partitioning in a Direct-aged Superalloy (DA718)quot;, Materials Science and Engineering, 92 (1987), 159-171.
5. S.P. Lynch et al., quot;Fatigue crack growth in Nickel-base superalloys at 500-700°C. II: Direct-Aged alloy 718quot;, Fatigue Fract. Eng Mater. Struct., 17-3 (1994), 313-325.
6. J.Y. Guédou, G. Simon, J. M. Rongvaux, quot;Development of damage tolerant Inco 718 for high temperature usagequot; Proceedings Superalloys 718, 625, 708 and various derivatives (1994), 509-522.
7. L. A. James, quot;The effect of grain size upon the fatigue-crack propagation behavior of alloy 718 under hold-time cycling at elevated temperaturequot;, Engineering Fracture Mechanics, 25-3 (1996), 305-314.
8. J. P. Pedron, A. Pineau, quot;The effect of Microstructure and Environment on the Crack Growth Behaviour of Inconel 718 Alloy at 650°C under Fatigue, Creep and Combined Loadingquot;, Materials Science and Engineering, 56 (1982), 143-156.
9. T. Connolley, P. A. S. Reed, J. M. Starink, quot;Short crack initiation and growth at 600°C in notched specimens of Inconel 718quot;, Materials Science and Engineering, A 340 1-2 (2003), 139-154.
10. N. Spath et al., quot;718 superalloy forging simulation: a way to improve process and material potentialitiesquot;, Proceedings Superalloys 718, 625, 706 and Various Derivatives (2001), 173-183.
11. S. Suresh, Fatigue of Materials Second Edition (Cambridge University Press, 1998).
12. A. Pineau, quot;Short fatigue crack behavior in relation to three-dimensional aspects and crack closure effectquot;, Small fatigue cracks, ed. R.O. Ritchie, J. Lankford, AIME (1986), 191-210.
13. K. Tanaka and T. Mura, quot;A dislocation model for fatigue crack initiationquot;, Journal of Applied Mechanics, Vol. 48 (1981), 97-103.
14. P.M. Beremin, quot;Cavity formation from inclusions in ductile fracture of A508 steelquot;, Metallurgical Transactions A, Vol. 12, No 17 (1981), 723-731.
15. B. Tomkins, quot;Fatigue crack propagation - An Analysisquot;, Philosophical Magazine, Vol. 18 (1968), 1041-1066.
16. A. de Bussac and J. C. Lautridou, quot;A probabilistic model for prediction of LCF surface crack initiation in PM alloysquot;, Fatigue and fracture of engineering materials and structures, Vol. 16, no8 (1993), 861-874.
17. A.Pineau, quot;Superalloy discs durability and damage tolerance in relation to inclusionsquot;, High Temperature Materials for Power Engineering, Part II, ed. E.Bachelet et al. (1990), 913-922.
18. J. Lemaitre, J.L. Chaboche, Mécanique des Matériaux, ed. Dunod (1989).