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Volume 27 Issue 1
Aug.  2021
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Article Contents
ZHOU Rongfeng, YANG Wangyue, SUN Zuqing, HE Jianping. Ferrite nucleation rate in undercooled austenite during deformation in low carbon (Mn) steels with different C and Mn contents[J]. Chinese Journal of Engineering, 2005, 27(1): 35-39. doi: 10.13374/j.issn1001-053x.2005.01.010
Citation: ZHOU Rongfeng, YANG Wangyue, SUN Zuqing, HE Jianping. Ferrite nucleation rate in undercooled austenite during deformation in low carbon (Mn) steels with different C and Mn contents[J]. Chinese Journal of Engineering, 2005, 27(1): 35-39. doi: 10.13374/j.issn1001-053x.2005.01.010

Ferrite nucleation rate in undercooled austenite during deformation in low carbon (Mn) steels with different C and Mn contents

doi: 10.13374/j.issn1001-053x.2005.01.010
  • Received Date: 2004-02-26
  • Rev Recd Date: 2004-11-01
  • Available Online: 2021-08-17
  • The effect of C and Mn contents on ferrite nucleation rate during Deformation-Enhanced Ferrite Transformation (DEFT) in low carbon (Mn) steels was investigated. The results show that the deformation causes such a higher defect density in austenite grains, which leads to extra sites for nucleation both at the austenite boundaries and intragranular, that ferrite grains are refined dramatically. The addition of C or Mn is favored to strain cumulated in the austenite, which also increases the nucleation sites, resulting in more pronounced ferrite grains refined. The promotive ability of C to refine ferrite grains is, however, much greater than that of Mn.

     

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