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.
|Uncontrolled Keywords:||HSLA-100 steel; Modelling of CCT curves; Transformation kinetics in HSLA steels; Dilatometry|
|Divisions:||Material Science and Technology|
|Deposited By:||INVALID USER|
|Deposited On:||10 Nov 2010 10:05|
|Last Modified:||17 Feb 2012 17:19|
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