Creep Strain and Creep-Life Prediction for Alloy 718 Using the Omega Method

Metals and Materials International

Volumn 9, Issue 6, 2003, Pages 555-560

  Yeom, Jong Taek ^a   Kim, Jong Yup ^b   Na, Young Sang ^a   Park, Nho Kwang ^a  

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

^b Samsung Advanced Institute of Technology (SAIT)   (South Korea)

Author keywords

Alloy 718; Creep; Hyperbolic sine formation; Omega method; coarsening

Indexed keywords

COARSENING; CONSTITUTIVE EQUATIONS; HYPERBOLIC FUNCTIONS; OSTWALD RIPENING; STRAIN RATE; TENSILE STRENGTH;

ALLOY 718; CONSTANT LOAD CREEP TESTS; CREEP LIFE PREDICTION; HYPERBOLIC-SINE FORMATION; IMAGINARY INITIAL STRAIN RATES; MATERIAL PARAMETER; OMEGA METHOD; TEMPERATURE RANGE;

CREEP;

EID: 1842524975     PISSN: 15989623     EISSN: None     Source Type: Journal    
DOI: 10.1007/BF03027255     Document Type: Article

References (8)

1. G. E. Dieter, Mechanical Metallurgy, 3rd ed., p. 432, McGraw-Hill, NY (1986).
2. R. W. Evans and B. Wilshire, Unified Constitutive Laws of Plastic Deformation (eds., A.S. Krausz and K. Krausz), p. 107, Academic Press (1996).
3. M. Prager, J. Press. Vess. Tech. 117, 95 (1995).
4. M. Prager, Development of the MPC Omega Method for Life Assessment in the Creep Range, The Materials Properties Council, INC. (1994).
5. E. E. Brown and D. R. Muzyka, Superalloy II (eds., C. T. Sims, N. S. Stoloff, and W. C. Hagel), p. 165, John Wiley & Sons (1987).
6. J. Shi and T. Endo, Scripta metall. mater. 32, 1159 (1995).
7. B. F. Dyson and M. McLean, Microstructural Stability of Creep Resistant Alloys for High Temperature Plant Applications (eds., A. Strang, J. Cawley, and G. W. Greenwood), p. 371, The Institute of Materials, London (1998).
8. C. R. Brinkman, M. K. Booker and J. L. Ding, Superalloys 718, 625 and Various Derivatives (ed., E. A. Loria), p. 519, TMS (1991).