Grain selection during solidification in spiral grain selector

Proceedings of the International Symposium on Superalloys

Volumn , Issue , 2008, Pages 367-374

  Dai, H J ^a   Gebelin, J C ^b   Newell, M ^b,c   Reed, R C ^b   D'Souza, N ^c   Brown, P D ^c   Dong, H B ^a,c  

^a UNIVERSITY OF LEICESTER   (United Kingdom)

^b UNIVERSITY OF BIRMINGHAM   (United Kingdom)

^c ROLLS ROYCE PLC   (United Kingdom)

Author keywords

CMSX 4; Directional solidification; Grain selection; Single crystal; Solidification modelling

Indexed keywords

FLOW OF FLUIDS; GRAIN SIZE AND SHAPE; HEAT TRANSFER; SINGLE CRYSTALS; SUPERALLOYS; TURBOMACHINE BLADES;

CMSX-4; COMPETITIVE GROWTH; GRAIN ORIENTATION; GRAIN SELECTION; HEAT TRANSFER AND FLUID FLOW; SINGLE CRYSTAL TURBINE BLADES; STRUCTURE AND ORIENTATION; THERMAL PROFILES;

SOLIDIFICATION;

EID: 60349089446     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.7449/2008/superalloys_2008_367_374     Document Type: Conference Paper

References (17)

1. R. C. Reed, The Superalloys Fundamental and Applications (Cambridge University Press, 2006), pp 18-25.
2. Yukiya Nakagawa, "Aero-Engine business and material technologies in Japan", Superalloys 2004: 3-13.
3. W. Kurz and D. J. Fisher, Fundamentals of Solidification, Trans Tech Publications, Aedermannsdorf, Switzerland, 3rd Ed., 1989.
4. P. Caron and T. Khan, "Evolution of Ni-based superalloys for single crystal gas turbine blade applications. Aerospace Science and Technology", 1999. 3: p. 513-523.
5. John Campbell, Casting, Butterworth Heinemann, 2003
6. O.N. Dogan, "Columnar to equiaxed transition in high Cr white iron castings", Scripta Materialia, 1996. 35(2): p. 163-168.
7. H.B. Dong and P.D. Lee, "Simulation of the columnar-to-equiaxed transition in directionally solidified Al-Cu alloys", Acta Mater., 2005. 53(3): p. 659-668.
8. W. Kurz and DJ. Fisher, "Dendrite growth at the limit of stability: tip radius and spacing", Acta Mater., 29, (1981), 11.
9. J.S. Langer, H. Muller-Krumbhaar, "Theory of dendritic growth-I". Elements of a stability analysis, Acta Metall. 26 (1978) 1681.
10. P. Carter, D.C. Cox, C.A. Gandin, R.C. Reed, "Process modelling of grain selection during the solidification of single crystal superalloy castings", Mater. Sci. Eng. A280 (2000) 233-246
11. M. J. Goulette, P. D. Spilling, R. P. Arthey, Cost effective single crystals, in: M.Gell, C.S. Kortovich, et al (Eds), Superalloys 1984, Metallurgical Society of AIME, Warrendale, PA, 1984, pp 167-176
12. Y.Z. Zhou, A. Volek and R. F. Singer, Influence of solidification conditions on castability of nickel-base superalloy IN792, Metall. Mater. Trans., 36A, (2005), pp 651-656
13. Ch.-A. Gandin and M. Rappaz, Acta Metall, 42, (1994), pp. 2233-2246
14. M. Rappaz and Ch.-A. Gandin, Acta Metall, 41, (1993), pp. 345-360
15. Ch.-A. Gandin, J.-L. Desbiolles, M. Rappaz and Ph. Thévoz, Metal Trans A, 30A, 1999, pp. 3153-3165
16. H.J. Dai, J-C. Gebelin, N.D'Souza, P.D. Brown and H.B. Dong, International Journal of Cast Metals Research, In press
17. H. Esaka, K. Shinzuka M. Tamura, Mater. Sci. Eng. A413-414 (2005) 151-155