Acta Metallurgica Sinica (English Letters) >
Effect of Annealing Temperature on the Precipitation Behavior and Texture Evolution in a Warm-Rolled P-Containing Interstitial-Free High Strength Steel
Received date: 2014-03-24
Revised date: 2014-04-20
Online published: 2014-07-18
By using transmission electron microscopy and electron back-scattered diffraction, the effect of annealing temperature on the precipitation behavior and texture evolution in a warm-rolled interstitial-free high strength steel was studied. The results indicated that fine FeTiP could precipitate at 650 °C, and the number of those precipitates increased greatly with the increasing annealing temperature until 800 °C. Furthermore, the nucleation of FeTiP was influenced by the precipitation of TiC and (Ti, Nb) C. The near absence of FeTiP and a large volume fraction of TiC and (Ti, Nb) C in matrix are envisaged to be primarily responsible for the sharp γ-fiber texture. As the boundary pinning effect caused by FeTiP is weak and there are less interstitial C atoms in matrix. Thus, annealing at 800 °C leads to the highest intensity of γ-fiber texture.
Jiecen Zhang , Yu Cao , Guangwei Jiang , Hongshuang Di . Effect of Annealing Temperature on the Precipitation Behavior and Texture Evolution in a Warm-Rolled P-Containing Interstitial-Free High Strength Steel[J]. Acta Metallurgica Sinica (English Letters), 2014 , 27(3) : 395 -400 . DOI: 10.1007/s40195-014-0072-0
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