Venkatrama, M and Mohanty, O N and Ghosh, R N (2001) Modelling of transformation kinetics in HSLA 100 steel during continuous cooling. Scandinavian Journal Of Metallurgy, 30 (1). pp. 8-13.
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Generalised Johnson and Mehl and Avrami type kinetic reaction rate equations were applied to analyse the transformation behavior of HSLA-100 steel during continuous cooling. Analysis of the dilatometric data for various cooling rates yielded the time exponent constant n and the activation energy Q. Using these 2 contents, it was possible to determine the amount and the transformation temperature of austenite to acicular ferrite and bainite and fraction transformed. Detailed analysis of cooling curves yielded a correlation between the transformation mode and the constants in the Avarami equation. Using these 2 constants only, it was shown that the entire CCT diagram for HSLA steels could be predicted. The results are in good agreement with the experimental value.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | HSLA-100 steel; Modelling of CCT curves; Transformation kinetics in HSLA steels; Dilatometry |
| Subjects: | Metallurgy > Steel Metallurgy |
| Divisions: | Material Science and Technology |
| Depositing User: | Users 6 not found. |
| Date Deposited: | 10 Nov 2010 04:35 |
| Last Modified: | 17 Feb 2012 11:49 |
| URI: | http://eprints.nmlindia.org/id/eprint/2045 |
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