Eta phase formation during thermal exposure and its efect on mechanical properties in ni-base superalloy GTD 111

Proceedings of the International Symposium on Superalloys

Volumn , Issue , 2004, Pages 163-171

  Choi, Baig Gyu ^a   Kim, In Soo ^a   Kim, Doo Hyun ^a   Seo, Seong Moon ^a   Jo, Chang Yong ^a  

^a Korea Institute of Machine and Materials   (South Korea)

Author keywords

Creep; Eta; GTD111; Thermal exposure

Indexed keywords

AGE HARDENING; CARBIDES; CREEP; GRAIN BOUNDARIES; HEAT TREATMENT; IMAGE ANALYSIS; MICROSTRUCTURE; NICKEL ALLOYS; POLYCRYSTALLINE MATERIALS; TRANSMISSION ELECTRON MICROSCOPY;

ETA; GRAIN BOUNDARY STRUCTURE; GTD111; THERMAL EXPOSURE;

SUPERALLOYS;

EID: 23744484241     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (16)

1. J. A. Daleo and J. R. Wilson, 'GTD 111 Alloy Material Study', Journal of Engineering of Gas Turbines and Power, 1998, 120 (4), 375-382
2. H. E. Collins, 'The Effect of Thermal Exposure on the Microstructure and Mechanical Properties of Nickel-Base Superalloys', Metall. Trans., 1974, 5 (1) 189-204
3. M. Nazmy and M. Staubli, 'Embrittlement of Several Nickel-Base Alloys after High-Temperature Exposure', Scripta Metall. Mater., 1990, 24, 135-138
4. H. E. Collins, 'The Effect of Thermal Exposure on the Mechanical Properties of the Directionally Solidified Superalloy TRW-NASA VIA', Metall. Trans., 1975, 6A (3), 515-530.
5. S.A. Sajjadi and S. Natech, 'A High Temperature Deformation Mechanism Map for the high Performance Ni-base Superalloy GTD-111', Mater. Sci. Eng., 2001, A307, 158-164.
6. S.A. Sajjadi, S. Natech, and R. I. L. Guthrie, 'Study of microstructure and Mechanical Properties of High Performance Ni-base Superalloy GTD-111', Mater. Sci, Eng., 2002, A325, 484-489.
7. S. Natech and S.A. Sajjadi, 'Dislocation Network Formation during Creep in Ni-base Superalloy GTD-111', Mater. Sci, Eng., 2003, A339, 103-108.
8. G. K. Bouse, 'Eta and Platelet Phases in Investment Cast Superalloys', Superalloys 1996, R. D. Kissinger et. al. ed., A Publication of TMS, 1996, 163-172
9. B. S. Rho and S. W. Nam, 'Fatigue induced precipitates at grain boundary of Nb-A286 Alloy in High Temperature Low Cycle Fatigue', Mater. Sci. Eng, 2000, A291, 54-59.
10. N. Saunders, M. Fahrmann, and C. J. Small, 'The Application of CALPHAD calculations to Ni-based Superalloy', Superalloys 2000, T. M. Pollock et. al. ed., A Publication of TMS, 2000, 803-811
11. M. J. Starink and R. C. Thomson, 'The Effect of High Temperature Exposure on Dendritic Segregation in a Conventionally Cast Ni Based Superalloy', J. Mater. Sci., 2001, 36, 5603-5608
12. D. J. Chellman and A. J. Ardell, 'The Coarsening of γ′ Precipitates at Large Volume Fractions', Acta Met. 1974, 22, 577-588
13. E. W. Ross and C. T. SIMS, superalloy II, C. T. SIMS et. al. ed., John Wiley & Sons, 1987, 97-134
14. B. G. Choi, D. W. Joo, I. S. Kim, J. C. Chang and C. Y. Jo, 'Effect of Thermal Exposure and Rejuvenation Treatment on Microstructure and Stress Rupture Properties of IN738LC', Korean Journal of Materials Research, 2001, 11(10) 915-922.
15. M. Simonetti and P. Caron, 'Role and behaviour of n phase during deformation of a nickel-based single crystal superalloy', Mater. Sci. Eng., 1998, A254, 1-12
16. K. Kakehi, 'Effect of Primary and Secondary Precipitates on Creep Strength of Ni-Base Superalloy Single Crystal', Mater. Sci. Eng., 2000, A278, 135-141