Improvement of Microstructural Homogeneity in Thermomechanical Processed Nb Steels by Thin Slab Casting

43rd Mechanical Working and Steel Processing Conference Proceedings

Volumn , Issue , 2001, Pages 511-529

  Uranga, P ^a   Fernandez A I ^a   Lopez B ^a   Rodriguez Ibabe, J M ^a  

^a UNIVERSITY OF NAVARRA   (Spain)

Author keywords

Heterogeneous Microstructure; Microstructural modeling; Nb microalloyed steels; Static Recrystallization; Strain Induced Precipitation; Thin Slab Casting

Indexed keywords

EID: 85163350421     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (21)

1. R. Priestner, C. Zhou and A.K. Ibraheem, "Precipitation in Cast Microalloyed Steel Containing Ti and Nb" 'Titanium Technology in Microalloved Steels', Ed. T.N. Baker, The Institute of Materials, London, 1994, pp. 150-168.
2. D.C. Houghton, G.C. Weatherly and J.D. Embury, 'Thermomechanical Processing of Microalloved Austenite'. Ed. A.J. DeArdo, G.A. Ratz y P.J. Wray, TMS AIME, Warrendale, 1982, pp. 267-292.
3. P. Patel, C. Zhou and R. Priestner, "The Deformation and Recrystallization Behaviour of As-cast V Microalloyed Austenite during Hot Direct Rolling", "3th Int. Conf. on Recrystallization and Related Phenomena, Rex'96". Ed. T.R. McNelley, MIAS, Monterrey, 1996, pp. 421-429.
4. A.I. Fernández, P. Uranga, B. López and J.M. Rodríguez-Ibabe, "Static Recrystallization Behaviour of a Wide Range of Austenite Grain Sizes in Microalloyed Steels", ISIJ Int. Vol. 40, No. 9, 2000, pp. 893-901.
5. A.A. Khan, R. Priestner, C. Zhou and A.K. Ibraheem, "Microstructural Evolution During Direct Rolling of Thin-Slab-Cast Nb Microalloyed Steel", "Int. Conf. Thermec'97", Ed. T. Chandra and T. Sakai, The Minerals, Metals and Materials Society, 1997, pp. 2209-2215.
6. Y. Kamada, T. Hashimoto and S. Watanabe, "Effect of Hot Carge Rolling Condition on Mechanical Properties of Nb Bearing Steel Plate", ISIJ Int., Vol. 30, No. 3,1990, pp. 214-247.
7. G. Flemming and K.E. Hensger, "Thermomechanical Processing on Compact Strip Production Plants", "Thermomechanical Processing of Steels". The Institute of Materials, London, May 2000, pp. 537-546.
8. CEIT internal report, 2000.
9. A.I. Fernández, P. Uranga, B. López and J.M. Rodríguez-Ibabe, "Microstructural and Mechanical Properties of Microalloyed Steels Processed to Simulate Thin Slab Casting and Direct Rolling Conditions", "Proc. ECF13: The 13th European Conference on Fracture. Fracture Mechanics: Applications and Challenges", San Sebastián, September 2000.
10. R. Abad, A. I. Fernández, B. López and J.M. Rodriguez-Ibabe, "Interaction between Recrystallization and Precipitation during Multipass Rolling in a low Carbon Microalloyed Niobium Steel", ISIJ Int., in press.
11. P. Uranga, A.I. Fernández, B. López and J.M. Rodríguez-Ibabe, "Study of the Interaction between Precipitation and Recrystallization in Ti-Microalloyed Steels after Reheating at very High Temperature", "Proc. Thermomechanical Processing of Steels". The Institute of Materials, London, May 2000, pp. 204-213.
12. A.I. Fernández, Ph. D. Thesis, Univ. of Navarra, San Sebastián 2001.
13. E. Anelli, "Application of Mathematical Modelling to Hot Rolling and Controlled Cooling of Wire Rods and Bars", ISIJ Int. Vol. 32, No. 3,1992, pp. 440-449.
14. P.D. Hodgson and R.K. Gibbs, "A Mathematical Model to Predict the Mechanical Properties of Hot Rolled C-Mn and Microalloyed Steels", ISIJ Int.. Vol. 32, No. 12,1992, pp. 1329-1338.
15. K. Matsuura and Y. Itoh, "Estimation of Three-dimensional Grain Size Distribution in Polycrystalline Material". Materials Transactions. JIM. Vol. 32, No. 11,1991, pp. 1042-1047.
16. B. Dutta and C.M. Sellars, "Effect of Composition and Process Variables on Nb(C,N) Precipitation in Niobium Microalloyed Austenite", Mat. Sci. and Techn., Vol. 3,1987, pp. 197-206.
17. D.Q. Bai, S. Yue, W.P. Sun and J.J. Jonas, "Effect of Deformation Parameters on the No-Recrystallization Temperature in Nb-Bearing Steels", Met. Trans.. Vol. 24A, 1993, pp. 2151-2159.
18. B. Roebuck, "Measurement of Grain Size and Size Distribution in engineering materials", Mat. Sci. and Techn.. Vol. 16, 2000, pp. 1167-1174.
19. C.A. Muojekwu, D.Q. Jin, I.V. Samarasekera and J.K. Brimacombe, "Thermomechanical History of Steel Strip during Hot Rolling - A Comparison of Conventional Cold-Charge Rolling and Hot-Direct Rolling of Thin Slab", 37TH MWSP Int. Conf.. ISS, Vol. XXXIII, 1996, pp. 617-633.
20. C.A. Muojekwu, D.Q. Jin, V.H. Hernandez, I.V. Samarasekera and J.K. Brimacombe, "Hot-Direct Rolling, Runout Table Cooling and Mechanical Properties of Steel Strips Produced from Thin Slabs", 38TH MWSP Int. Conf., ISS, Vol. XXXIV, 1997, pp. 351-366.
21. J.K. Brimacombe and I.V. Samarasekera, "The Challenge of Thin Slab Casting", Proc. of The Ethem T. Turkdogan Symposium, ISS, Pittsburg, May 1994, pp. 171-184.