Solute redistribution during planar and dendritic growth of directionally solidified Ni-base superalloy CMSX-10

Proceedings of the International Symposium on Superalloys

Volumn , Issue , 2008, Pages 277-286

  Seo, Ng Moon ^a   Lee, Je Hyun ^b   Yoo, Young Soo ^a   Jo, Chang Yong ^a   Miyahara, Hirofumi ^c   Ogi, Keisaku ^d  

^a Korea Institute of Material Science   (South Korea)

^b Changwon National University   (South Korea)

^c KYUSHU UNIVERSITY   (Japan)

^d OITA NATIONAL COLLEGE OF TECHNOLOGY   (Japan)

Author keywords

CMSX 10; Directional solidification; Eutectic; Segregation; Superalloy

Indexed keywords

ELECTRON PROBE MICROANALYSIS; EUTECTICS; NICKEL ALLOYS; SEGREGATION (METALLOGRAPHY); SUPERALLOYS;

CMSX-10; DENDRITIC SOLIDIFICATION; DIRECTIONAL SOLIDIFICATION AND QUENCHING; DIRECTIONALLY SOLIDIFIED NI-BASE SUPERALLOYS; ELEMENTAL PARTITIONING; LOCAL DISTRIBUTIONS; SOLIDIFICATION RATE; SOLUTE REDISTRIBUTION;

SOLIDIFICATION;

EID: 60349098812     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.7449/2008/superalloys_2008_277_286     Document Type: Conference Paper

References (33)

1. G.L. Erickson, "A New, Third-Generation, Single-Crystal, Casting Superalloy", J. Metals., 47 (4) (1995), 36-39.
2. W.S. Walston et al., "Rene N6: Third Generation Single Crystal Superalloy", Superalloys 1996, R.D. Kissinger et al., eds., TMS, Warrendale, PA, 1996, 27-34.
3. G.E. Fuchs, "Solution Heat Treatment Response of a Third Generation Single Crystal Ni-Base Superalloy", Mater. Sci. Eng. A, 300 (2001), 52-60.
4. M.S.A. Karunaratne et al., "Modelling of the Microsegregation in CMSX-4 Superalloy and Its Homogenisation during Heat Treatment", Superalloys 2000, T.M. Pollock et al., eds., TMS, Warrendale, PA, 2000, 263-272.
5. T. Link et al., "Synchrotron Tomography of Porosity in Single-Crystal Nickel-Base Superalloys", Mater. Sci. Eng. A, A425 (2006), 47-54.
6. T.M. Pollock and W.H. Murphy, "The Breakdown of Single-Crystal Solidification in High Refractory Nickel-Base Alloys", Metall. Mater. Trans. A, 27 (1996), 1081-1094.
7. R.A. Hobbs, S. Tin and C.M.F. Rae, "A Castability Model Based on Elemental Solid-Liquid Partitioning in Advanced Nickel-Base Single-Crystal Superalloys", Metall. Mater. Trans. A, 36 (2005), 2761-2773..
8. Q. Feng et al., "Solidification of High-Refractory Ruthenium-Containing Superalloys", Acta Mater., 51 (2003), 269-284.
9. M.S.A. Karunaratne et al., "On the Microstructural Instability of an Experimental Nickel-Based Single-Crystal Superalloy", Metall. Mater. Trans. A, 32A (2001), 2409-2421.
10. R. Darolia et al., "Formation of Topologically Closed Packed Phases in Nickel Base Single Crystal Superalloys", Superalloys 1988, D.N. Duhl et al., eds., TMS, Warrendale, PA, 1988, 255-264.
11. M. Ganesan, D. Dye and P.D. Lee, "A Technique for Characterizing Microsegregation in Multicomponent Alloys and Its Application to Single-Crystal Superalloy Castings", Metall. Mater. Trans. A, 36 (2005), 2191-2204.
12. M.N. Gungor, "A Statistically Significant Experimental Technique for Investigating Microsegregation in Cast Alloys", Metall. Mater. Trans. A, 20A (1989), 2529-2533.
13. R.A. Hobbs et al., "Solidification Characteristics of Advanced Nickel-Base Single Crystal Superalloys", Superalloys 2004, K.A. Green et al., eds., TMS, Warrendale, PA, 2004, 819-825.
14. A. Thirumalai, A. Akhtar, and R.C. Reed, "Extent of Back Diffusion during Solidification of Experimental Nickel Based Single Crystal Superalloy", Mater. Sci. Tech., 22 (2006), 1-13.
15. J. Lacaze, P. Benigni, and A. Howe, "Some Issues Concerning Experiments and Models for Alloy Microsegregation", Adv. Eng. Mater., 5 (2003), 37-46.
16. P.K. Sung and D.R. Poirier, "Liquid-Solid Partition Ratios in Nickel-Base Alloys", Metall. Mater. Trans., 30A (1999), 2173-2181.
17. S.N. Tewari et al., "Solutal Partition Coefficients in Nickel-Based Superalloy PWA-1480", Mater. Sci. Eng., A141 (1991), 97-102.
18. V.A. Wills and D.G. McCartney, "A Comparative Study of Solidification Features in Nickel-Base Superalloys: Microstructural Evolution and Microsegregation", Mater. Sci. Eng. A, A145 (1991), 223-232.
19. S.M. Seo et al., "Eta Phase and Boride Formation in Directionally Solidified Ni-Base Superalloy IN792+Hf", Metall. Mater. Trans. A, 38A (2007), 883-893.
20. Y. Zhu et al., "A New Way To Improve The Superalloys", Superalloys 1992, S.D. Antolovich et al., eds., TMS, Warrendale, PA, 1992, 145-154.
21. R. Trivedi et al., "Directional Solidification Microstructures in Diffusive and Convective Regimes", J. Cryst. Growth, 222 (2001), 365-379.
22. W. Kurz and D.J. Fisher, Fundamentals of Solidification (Trans Tech Publ. Ltd., Switzerland, 4th Ed., 1998), 117.
23. R.M. Kearsey et al., "Compositional Design Consideration for Microsegregation in Single Crystal Superalloy Systems", Intermetallics, 12 (2004), 903-910.
24. Y. Zhu et al., "Superalloys with Low Segregation", Superalloys 1988, D.N. Duhl et al., eds., TMS, Warrendale, PA, 1988, 703-712.
25. E. Scheil, Z. Metallkd., "Bemerkungen zur Schichtkristallbildung", 34 (1942), 70-75.
26. H.D. Brody and M.C. Flemings, "Solute Redistribution in Dendritic Solidification", TMS-AIME, 236 (1966), 615-624.
27. N. El-Bagoury et al., "Influence of Rhenium and Cooling Rate on the Solidification of Ni Base Superalloys, Inconel 718", Mater. Trans. JIM, 46 (2005), 909-915.
28. D.M. Stefanescu, Science and Engineering of Casting Solidification (Kluwer Academic/Plenum Publishers, NY, 2002), 42.
29. C. Walter et al., "Simulation of the Solidification of CMSX-4", Mat. Sci. Eng., A397 (2005), 385-390.
30. N. Warnken et al., "Investigation of Eutectic Island Formation in SX Superalloys", Mater. Sci. Eng., A413-414 (2005), 267-271.
31. N. D'Souza and H.B. Dong, "Solidification Path in Third-Generation Ni-Based Superalloys, with an Emphasis on Last Stage Solidification", Scr. Mater., 56 (2007), 41-44.
32. B.G. Choi et al., "Eta Phase Formation during Thermal Exposure and Its Effect on Mechanical Properties in Nickel-Base Superalloy GTD 111", Superalloys 2004, K.A. Green et al, eds., TMS, Warrendale, PA, 2004, 163-171.
33. W.R. Sun et al., "Relationship between Eta Phase Formation and Solidification Rate in Directionally Solidified IN792+Hf Alloy", Mater. Sci. Tech., 15 (1999), 1221-1224.