Improved ferrite number prediction model that accounts for cooling rate effects - Part 2: Model results

Welding Journal (Miami, Fla)

Volumn 82, Issue 2, 2003, Pages

  Vitek, J M ^a   David, S A ^a   Hinman, C R ^b  

^a OAK RIDGE NATIONAL LABORATORY   (United States)

^b SYRACUSE UNIVERSITY   (United States)

Author keywords

Alloy composition; Austenitic stainless steel; Constitution diagram; Cooling rate; Duplex stainless steel; Ferrite content; Ferrite number; Neural network

Indexed keywords

AUSTENITE; CALCULATIONS; COOLING; ELECTRIC ARC WELDING; LASER BEAM WELDING; MATHEMATICAL MODELS; METALLOGRAPHIC MICROSTRUCTURE; NEURAL NETWORKS; WELDS;

AUSTENITIC STAINLESS STEEL; COOLING RATE EFFECT; DUPLEX STAINLESS STEEL; FERRITE NUMBER PREDICTION MODEL; HIGH ENERGY BEAM WELDING; HIGH-SPEED ARC WELDING;

STAINLESS STEEL;

EID: 0037298302     PISSN: 00432296     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (19)

1. Kotecki, D. J. 1997. Ferrite determination in stainless steel welds - advances since 1974. Welding Journal 76(1): 24-s to 37-s.
2. Schaeffler, A. 1949. Constitution diagram for stainless steel weld metal. Metal Progress 56: 680-680B.
3. Hull, F. C. 1973. Delta ferrite and martensite formation in stainless steels. Welding Journal 52(5): 193-s to 203-s.
4. DeLong, W. T. 1974. Ferrite in austenitic stainless steel weld metal. Welding Journal 53: 273-s to 286-s.
5. Kakhovskii, N. I., Lipodaev, V. N., and Fadeeva, G. V. 1985. The arc welding of stable austenite corrosion-resisting steels and alloys. Avt. Svarka 5: 55-57.
6. Olson, D. L. 1985. Prediction of austenitic weld metal microstructure and properties. Welding Journal 64(10): 281-s to 295-s.
7. Siewert, T. A., McCowan, C. N. and Olson, D. L. 1988. Ferrite Number prediction to 100 FN in stainless steel weld metal. Welding Journal 67(12): 289-s to 298-s.
8. Kotecki, D. J., and Siewert, T. A. 1992. WRC-1992 constitution diagram for stainless steel weld metals: a modification of the WRC-1988 diagram. Welding Journal 71: 171-s to 178-s.
9. Babu, S. S., Vitek, J. M., Iskander, Y. S., and David, S. A. 1997. New model for prediction of ferrite number of stainless steel welds. Science and Technology of Welding and Joining 2(6): 279-285.
10. Vitek, J. M., Iskander, Y. S., and Oblow, E. M. 2000. Improved ferrite number prediction in stainless steel arc welds using artificial neural networks - Part 1: neural network development. Welding Journal 79(2): 33-s to 40-s.
11. Vitek, J. M., Iskander, Y. S., and Oblow, E. M. 2000. Improved ferrite number prediction in stainless steel arc welds using artificial neural networks - Part 2: neural network results. Welding Journal 79(2): 41-s to 50-s.
12. Vasudevan, M., Murugananth, M., and Bhaduri, A. K. 2002. Application of Bayesian neural network for modelling and prediction of ferrite number in austenitic stainless steel welds. 6, ed. H. Cerjak, Mathematical Modelling of Weld Phenomena. London, U.K.: Institutee of Materials, 1079-1099.
13. Vitek, J. M., David, S. A., and Hinman, C. R. 2003. Improved ferrite number prediction model that accounts for cooling rate effects - Part 1: model development. Welding Journal 82: 10-s to 17-s.
14. David, S. A., Vitek, J. M., and Hebble, T. L. 1987. Effect of rapid solidification on stainless steel weld metal microstructures and its implications on the Schaeffler diagram. Welding Journal 66: 289-s to 300-s.
15. Ornig, H. 1988. Proceedings International Institute of Welding 41st Annual Assembly and International Conference, Vienna, Austria.
16. Kotecki, D. J. 1988. Verification of the NBS-CSM ferrite diagram. International Institute of Welding Document II-C-834-88.
17. Lee, H. M., Bae, J. S., Soh, J. R., Kim, S. K., and Lee, Y. D. 1998. Diffusional solidification behavior in 304 stainless steel. Mater. Trans. JIM 39(6): 633-639.
18. Hillert, M. and Höglund, L. 1999. Simulation of the peritectic reaction in 304 stainless steel. Mater. Trans. JIM 40(6): 567-570.
19. Vitek, J. M. 2000. Unpublished research, Oak Ridge, National Laboratory, Oak Ridge, Tenn.