Effect of heating rate on phase recrystallization of quenched 60S2 steel

Lipchin, N. N.; Kryukova, T. G.; Oslon, N. L.

doi:10.1007/bf00652140

Cited by 1 publication

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“…The effect of the heating rate on the microstructure of steel has been subject of a number of experimental studies in the past decades . There, it was acknowledged that austenite transformation undergoes a transition from carbon diffusion controlled to a massive mechanism when heating rate exceeds certain levels .…”

Section: Introductionmentioning

confidence: 99%

‘Flash’ Annealing in a Cold‐Rolled Low Carbon Steel Alloyed With Cr, Mn, Mo, and Nb: Part I ‐ Continuous Phase Transformations

Cerda

Vercruysse

Goulas

et al. 2018

steel research int.

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The aim of the present work is to study the microstructure evolution of a cold‐rolled low carbon steel alloyed with Cr, Mn, Mo, and Nb during continuous heating. The formation of austenite and its further transformation is examined by means of peak annealing experiments at three different heating rates, followed by quenching. The effect of carbide‐forming alloying elements in the kinetics of austenite formation and decomposition is discussed with the aim of DICTRA calculations. Electron Probe Micro Analysis allows the detection of small compositional fluctuations within the microstructure, which are responsible for local changes in the mechanism of austenite formation. It is experimentally demonstrated that the temperature dependence of the austenite fraction is relatively insensitive to the heating rate. It is suggested that carbide‐forming alloying elements slow down the kinetics of austenite formation.

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Section: Introductionmentioning

confidence: 99%