Paper Title:
Preparation of a Low Carbon Steel with Ultrafine Grained Microstructure through Rare Earth Micro-Alloying
  Abstract

The effects of the rare earth (RE) element on the microstructure of a hot-rolled low carbon steel (B450NbRE) were investigated under different heat treatment conditions. It was found that the B450NbRE steel with ultrafine grained structure could be successfully prepared with a certain content of RE additive under an appropriate heat treatment temperature between A1 (717°C) and A3 (880°C). The corresponding critical temperature increases with decreasing the RE content. For instance, the critical temperature is 800°C for the RE content of 0.0140 wt.%, but it increases to 850°C as the RE content decreases to 0.0075 wt.%

  Info
Periodical
Edited by
Deliang Chen
Pages
237-240
DOI
10.4028/www.scientific.net/AMR.266.237
Citation
C. J. Liu, H. L. Liu, M. F. Jiang, "Preparation of a Low Carbon Steel with Ultrafine Grained Microstructure through Rare Earth Micro-Alloying", Advanced Materials Research, Vol. 266, pp. 237-240, 2011
Online since
June 2011
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