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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 734-737Effects of Ce or Nb Addition on Nucleation of...

Effects of Ce or Nb Addition on Nucleation of Pearlite in High Carbon Steel

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Abstract:

The high-carbon steel was micro-alloying by Ce and Nb respectively, and the effect of micro-alloying on the nucleation of pearlite was reported in the present work. The results show that the pearlite could nucleate in rare earth sulfide inclusions and Nb-containing precipitates. The formation of NbC caused the C-depleted zone, promote the formation of proeutectoid ferrite of the pearlite. And the strain energy caused by rare earth sulfide inclusions will provide activation energies for pearlitic transformation. The inclusion and precipitates will increase the rate of nucleation of pearlite and refined the microstructures of pearlitic steel.

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Periodical:

Advanced Materials Research (Volumes 734-737)

Pages:

1531-1535

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.734-737.1531

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Online since:

August 2013

Authors:

Yu Liang*, Zhi Yi Shi, Yi Long Liang

Keywords:

Intragranular Pearlite, Micro-Alloying, Pearlitic Steel

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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