Effect of cooling rate on the microstructure and mechanical properties of microalloyed forging steel

Journal of Materials Processing Technology

Volumn 206, Issue 1-3, 2008, Pages 92-98

  Rasouli, D ^a   Khameneh Asl, Sh ^a   Akbarzadeh, A ^a   Daneshi, G H ^a  

^a SHARIF UNIVERSITY OF TECHNOLOGY   (Iran)

Author keywords

Acicular ferrite; Cooling rate; Microalloyed forging steels; Toughness

Indexed keywords

FORGING; HOT WORKING; MICROALLOYING; MICROSTRUCTURE; OPTICAL MICROSCOPY; REACTION RATES; TOUGHNESS;

ACICULAR FERRITE; COOLING RATES; MICROALLOYED FORGING STEELS; SHEAR PUNCH TEST (SPT);

STEEL ANALYSIS;

EID: 44949183671     PISSN: 09240136     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.jmatprotec.2007.12.006     Document Type: Article

References (26)

1. ASM Hand Book. Properties and Selection: Irons, Steels, and High Performance Alloys, vol. 1 (1999), ASM International
2. Bhadeshia H.K.D.H. Bainite in Steels. 2nd ed. (2001), IOM Communication Ltd., London pp. 237-248
3. DeArdo A.J. Metallurgical basis for thermomechanical processing of microalloyed steels. Ironmaking Steelmaking 28 2 (2001) 138-144
4. Dieter G.E. Mechanical Metallurgy. third ed. (1976), McGraw-Hill, NY
5. Fairchild D.P., Howden D.G., and Clark W.A.T. The mechanism of brittle fracture in a microalloyed steel. Part II. Mechanistic modeling. Metall. Mater. Trans. 31A 3 (2000) 653-667
6. Gonzalez-Baquet I., Kaspar R., and Richter J. Conditioning of austenite by hot working of microalloyed forging steels. Steel Res. 68 2 (1997) 61-66
7. Guduru R.K., Darling K.A., Kishore R., Scattergood R.O., Koch C.C., and Murty K.L. Evaluation of mechanical properties using shear-punch testing. Mater. Sci. Eng. A 395 (2005) 307-314
8. Gu{combining double acute accent}ndu{combining double acute accent}z a S., and Cochrane R.C. Influence of cooling rate and tempering on precipitation and hardness of vanadium microalloyed steel. Mater. Des. 26 (2005) 486-492
9. Hamilton M.L., and Toloczko M.B. Effect of low temperature irradiation on the mechanical properties of ternary V-Cr-Ti alloys as determined by tensile tests and shear punch tests. J. Nucl. Mater. 283-287 (2000) 488-491
10. Hamilton M.L., Garner F.A., Toloczko M.B., Maloy S.A., Sommer W.F., James M.R., Ferguson P.D., and Louthan Jr. M.R. Shear punch and tensile measurements of mechanical property changes induced in various austenitic alloys by high-energy mixed proton and neutron irradiation at low temperatures. J. Nucl. Mater. 283-287 (2000) 418-422
11. Hankin G.L., Toloczko M.B., Hamilton M.L., and Faulkner R.G. Validation of the shear punch-tensile correlation technique using irradiated materials. J. Nucl. Mater. 258-263 (1998) 1651-1656
12. 59Ni isotopically-doped model austenitic alloys after irradiation in FFTF at different He/dpa ratios. J. Nucl. Mater. 258-263 (1998) 1657-1663
13. Honeycombe R.M.K., and Bhadeshia H.K.D.H. Steels, Microstructure and Properties. 2nd ed. (1995), Arnold, London p. 189
14. Jahazi M., and Eghbali B. The influence of hot forging condition on the microstructure and mechanical properties of two microalloyed steels. J. Mater. Process. Technol. 113 (2001) 594-598
15. Linaza M.A., Romero J.L., Rodriguez-Ibabe J.M., and Urcola J.J. Influence of the microstructure on the fracture mechanism of forging steels microalloyed with titanium with ferrite-pearlite structures. Scripta Metall. Mater. 29 (1993) 451-456
16. Linaza M.A., Romero J.L., Rodriguez-Ibabe J.M., and Urcola J.J. Improvement of fracture toughness of forging steels microalloyed with titanium by accelerated cooling after hot working. Scripta Metall. Mater. 29 (1993) 1217-1222
17. Madariaga I., and Gutirrez I. Acicular ferrite microstructures and mechanical properties in a medium carbon forging steel. Mater. Sci. Forum 284-286 (1998) 419-426
18. Matlock D.K., Krauss G., and Speer J.G. Microstructures and properties of direct-cooled microalloy forging steels. J. Mater. Process. Technol. 117 (2001) 324-328
19. Naylor D.J. Microalloyed forging steels. Mater. Sci. Forum 284-286 (1998) 83-94
20. Nussbaum G., Richter J., Gueth A., Koethe A., Kaspar R., and Gonzalez-Baquet I. Microstructural characterization and structure/property relations of microalloyed medium carbon steels with ferrite-bainite/martensite microstructure. Mater. Sci. Forum 284-286 (1998) 443-450
21. Rodriguez-Ibabe J.M. The role of microstructure in toughness behavior of microalloyed steels. Mater. Sci. Forum 284-286 (1998) 51-62
22. Sankaran S., Subramanya Sarma V., Kaushik V., and Padmanabhan K.A. Thermomechanical processing and characterisation of multi-phase microstructures in a V-bearing medium carbon micro-alloyed steel. J. Mater. Process. Technol. 139 (2003) 642-647
23. Toloczko M.B., Hamilton M.L., and Lucas G.E. Ductility correlations between shear punch and uniaxial tensile test data. J. Nucl. Mater. 283-287 (2000) 987-991
24. Toloczko M.B., Kurtz R.J., Hasegawa A., and Abe K. Shear punch tests performed using a new low compliance test fixture. J. Nucl. Mater. 307-311 (2002) 1619-1623
25. Zhao P., and Boyd D.J. Microstructural evolution during thermomechanical processing of microalloyed medium carbon steels. Mater. Sci. Technol. 19 6 (2003) 1557-1563
26. Zhao P., and Boyd D.J. Microstructure-property relationships in thermomechanically processed microalloyed medium carbon steels. Mater. Sci. Technol. 20 6 (2004) 695-704