New numerical method for the fit of Garofalo equation and its application for predicting hot workability of a (V-N) microalloyed steel

Materials Science and Technology

Volumn 25, Issue 8, 2009, Pages 995-1002

  Rieiro, I ^a   Carsi M ^b   Ruano, O A ^b  

^a UNIVERSITY OF CASTILLA LA MANCHA   (Spain)

^b DEPARTMENT OF PHYSICAL METALLURGY   (Spain)

Author keywords

Garofalo equation; Microalloyed steel; Numerical methods; Torsion tests

Indexed keywords

BEST FIT; CREEP MECHANISM; EQUATION PARAMETER; GAROFALO EQUATION; HOT WORKABILITY; INITIAL VALUES; INTEGRATED ALGORITHM; INTERPOLATION ERROR; LATTICE DIFFUSION; MICROALLOYED STEEL; MICROSTRUCTURE CHANGES; N VALUE; PREDICTED ERROR; PREDICTIVE CAPABILITIES; Q-VALUES; TORSION TESTS;

ERRORS; METAL ANALYSIS; NUMBER THEORY; PARAMETER ESTIMATION; STEEL; STEEL METALLOGRAPHY; STRAIN RATE; TORSION TESTING; TORSIONAL STRESS;

NUMERICAL METHODS;

EID: 68949208459     PISSN: 02670836     EISSN: None     Source Type: Journal    
DOI: 10.1179/174328408X369429     Document Type: Article

References (35)

1. M. E. Burnett: 'Fundamentals of microalloying forging steels', 601-626; 1987, Pittsburgh, PA, Metallurgical Society of AIME.
2. H.-C. Wu, X. Zhiyou and P. T. Wang: Int. J. Plast., 1998, 13, 873-892.
3. H. J. McQueen, S. Yue, N. D. Ryan and E. Fry: J. Mater. Process. Technol., 1995, 53, 293-310.
4. F. Garofalo: 'Fundamentals of creep and creep-rupture in metals'; 1965, New York, Macmillan.
5. J. Qu, Q. L. Jin and B. Y. Xu: Int. J. Plast., 2005, 21, 1267-1302.
6. I. Rieiro, M. Carsi and F. Peñalba: Rev. Met. Madrid, 1996, 32, 321-328.
7. A. K. Miller and O. D. Sherby: Acta Metall., 1978, 26, 289-304.
8. J. W. Yoon: Int. J. Plast., 2007, 23, 343-344.
9. O. A. Ruano and O. D. Sherby: Rev. Phys. Appl., 1988, 23, 625-637.
10. J. P. Poirier, C. Sotin and S. Beauchesne: in 'Deformation processes in minerals, ceramics and rocks' (ed. D. J. Barber and P. G. Meredith), 179; 1990, London, Unwin Hyman.
11. B. B. Vinokur, O. G. Kasatkin and S. E. Kondratyuk: Met. Sci. Heat Treat., 1989, 31, 479-483.
12. M. A. Korhonen, S. P. Hannula and C. Y. Li: in 'Unified constitutive equations for creep and plasticity' (ed. A. K. Miller), 89-137; 1987, New York, Elsevier Applied Science.
13. J. P. Poirier: 'Creep of crystals', 29; 1985, Cambridge, Cambridge University Press.
14. H. Luthy, A. K. Miller and O. D. Sherby: Acta Metall., 1980, 28, 169-178.
15. B. Wilshire: Metall. Mater. Trans. A, 2002, 33A, 241-248.
16. J. Adamczyk, M. Carsi, R. Kozik and R. Wusatowski: Steel Res., 1995, 66, 305-308.
17. C. García, M. Carsí, F. Peñalba and M. P. de Andrés: J. Mater. Sci., 1992, 17, 4567-4576.
18. F. Peñalba, M. Carsi, C. García, F. Zapirain and M. P. de Andrés: ISIJ Int., 1992, 32, 232-240.
19. H. K. D. Bhadeshia: Mater. Sci. Technol., 2008, 24, 128-136.
20. M. P. Phaniraj and A. K. Lahiri: Mater. Sci. Technol., 2004, 20, 1151-1157.
21. D. M. Botes and D. G. Watts: 'Nonlinear regression analysis and its applications'; 1963, New York, John Wiley & Sons.
22. I. Rieiro: 'Estudio y resolución de la ecuación fenomenológica de Garofalo para la fluencia plástica en estado estacionario de materiales metálicos policristalinos', PhD thesis, Universidad Complutense de Madrid, Madrid, Spain, 1997.
23. I. Rieiro, O. A. Ruano, M. Eddahbi and M. Carsi: J. Mater. Process. Technol., 1998, 78, 177-183.
24. M. Carsi, F. Peñalba, O. A. Ruano and O. D. Sherby: Metall. Mater. Trans. A, 1997, 28A, 1913-1920.
25. D. S. Fields and W. A. Backoffen: Proc. ASTM, 1957, 57, 1263-1275.
26. C. G. Canova, S. Shrivastava, J. J. Jonas and C. G'Sell: ASTM STP, 1982, 753, 189-210.
27. H. J. McQueen and N. D. Ryan: Mater. Sci. Eng. A, 2002, A322, 43-63.
28. D. J. Towle, T. Gladman: Met. Sci., 1979, 13, 246-256.
29. H. J. McQueen, O. Overdal, A. Cingara and H. Gjestland: Mater. High Temp., 1992, 10, 207-218.
30. E. S. Puchi-Cabrera: Mater. Sci. Technol., 2006, 22, 699-705.
31. W. D. Berny and S. Feldman: 'Multiple regression in practice'; 1984, Beverly-Hills, CA, Sage.
32. M. J. D. Powell: Proc. 10th Biennial Conf. on 'Numerical analysis', 122; 1983, Berlin, Springer-Verlag.
33. A. R. Gallant: 'Nonlinear statistical models'; 1986, New York, John Wiley & Sons.
34. R. Fletcher and C. M. Reeves: Comput. J., 1964, 7, 149-r156.
35. T. S. Donaldson: Am. Stat. Assoc. J., 1968, 63, 660-668.