Paper Title:
Boron and Phosphorus Segregation Behavior at Grain Boundary in a Ti-If Steel after Annealing
  Abstract

The cold roll B-added Ti-IF steel is annealed for different times at 810 oC. The microstructure development is studied by Optical Microscope(OM) and the concentration of boron and phosphorus segregation at grain boundary is measured by Auger electron spectroscopy(AES). The result shows that the grain of the cold- rolled sample is elongated along the rolling direction and the elongated grains become into equi-axis shape after annealing 60 to 180sec. Boron and phosphorus segregated at gain boundaries. But boron’s concentration at grain boundary is higher than that of phosphorus and increase from 5at.% or so to about 10at% after annealing 150sec, Then boron’s concentration decrease slowly to 8at.% at 240sec. While phosphorus’s concentration increase to the max of 2.5at.% or so at 120sec, then its concentration decrease to 1at.% or so after annealing 240sec.

  Info
Periodical
Advanced Materials Research (Volumes 152-153)
Edited by
Zhengyi Jiang, Jingtao Han and Xianghua Liu
Pages
320-325
DOI
10.4028/www.scientific.net/AMR.152-153.320
Citation
X. L. Song, Z. X. Yuan, J. Jia, P. H. Li, D. Wang, L. X. Fan, "Boron and Phosphorus Segregation Behavior at Grain Boundary in a Ti-If Steel after Annealing", Advanced Materials Research, Vols. 152-153, pp. 320-325, 2011
Online since
October 2010
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