Process development and mechanical properties of alloy U720LI for high temperature turbine disks

Proceedings of the International Symposium on Superalloys

Volumn , Issue , 2004, Pages 351-359

  Couturier, R ^a   Burlet, H ^a   Terzi, S ^a   Dubiez, S ^a   Guetaz, L ^a   Raisson, G ^b  

^a CEA GRENOBLE   (France)

^b Direction Technique ^*  (France)

Author keywords

Creep; High temperature nuclear Reactor; Powder metallurgy; Turbine disks

Indexed keywords

CREEP; DEFORMATION; GAS TURBINES; HIGH TEMPERATURE EFFECTS; MAGNETIC BEARINGS; MICROSTRUCTURE; NUCLEAR REACTORS; POWDER METALLURGY; TURBOMACHINERY;

CREEP DEFORMATION; CREEP STRENGTH; HIGH TEMPERATURE NUCLEAR REACTORS; TURBINE DISKS;

SUPERALLOYS;

EID: 23744462409     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.7449/2004/superalloys_2004_351_359     Document Type: Conference Paper

References (15)

1. R Couturier, C Escaravage, "high temperature alloys for the HTGR Gas Turbine : Required properties and development needs", IAEA Technical committee meeting, IAEA TecDoc 1238, (2000), 161-173.
2. H. Burlet, R. Couturier, S. Dubiez, "High temperature gas turbine for nuclear gas cooled reactors : materials needs and lifetime modelling", Advanced materials and processes for gas turbines, Ed. G. Fuchs et. al., TMS, (2003), 265-273.
3. J Montagnon, "private communication during the 2003 CEA Seminar on disk superalloys", 13-14 May 2003.
4. D.U. Furrer, H.J. Fecht, "Ni-based superalloys for turbine disks", JOM, vol.51, (1999), 14-17.
5. X. Pierron et. Al., "Sub-solidus process for conventional billet conversion", Superalloys 2000, Ed. T.M. Pollock et. al., TMS, (2000), 425-433.
6. D.R. Chang, D.D. Krueger, R.A. Sprague, "Superalloy powder processing, properties and turbine disk applications", Superalloys 1984, The metallurgical Society, AIME, (1984), 245-273.
7. R. Couturier et. al., "Materiaux de turbine pour réacteurs à caloporteur gaz, mise au point de la nuance U720 CIC à gros grains ", (Report CEA DTEN-DR-2003-06, 2003).
8. F.E. Sczerzenie et. al., "Udimet alloy 720 ", (Report SMC TR 88-002, 1988).
9. J. Davidson, "Process of grain enlargement in consolidated alloy powders ", US Patent 5.395.464, 1995.
10. S. Dubiez, "Comportement et endommagement d'un superalliage élaboré par Compression Isostatique à Chaud", PhD thesis, ENSMP, 2003.
11. E. Georges, "HIP-B torsion test results", (Aubert&Duval Alliage letter GRD-EG-TC-04.005, 2004).
12. M. Maldini, V. Lupinc, "Modelling of the creep behaviour of a wrought Ni-based superalloy in a wide range of stress/temperature conditions", Proceedings of a conference "life assessment of hot section gas turbine conference"held at Heriot Watt, University Edinburgh, UK, (1999), pp. 109-118.
13. P.R Bhowal, E.F. Wright, E.L. Raymond, Metallurgical Transaction A, 21A, (1990), 1709-1717.
14. D. Locq, M. Marty, P. Caron, "Optimisation of the mechanical properties of a new P/M superalloy for disk applications, Superalloys 2000, Ed. T.M. Pollock et. al., TMS, (2000), 395-403.
15. M. Mac Lean, B.F. Dyson, Eng. Mat. Technology, vol.122, (2000), 273-278.