Effect of Titanium on Microstructure and Phase Composition of High Boron Alloyed Stainless Steel

Jing Liu; Ke Zhang; Jing Tao Han

doi:10.4028/www.scientific.net/AMR.535-537.738

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 535-537Effect of Titanium on Microstructure and Phase...

Effect of Titanium on Microstructure and Phase Composition of High Boron Alloyed Stainless Steel

Abstract:

High boron alloyed stainless steel(HBASS) with different Ti content were fabricated by vacuum induction furnace and their microstructure and boride phase were analyzed. The boride phase of HBASS do not contain Ti element is mainly (Fe,Cr)2B phase with slender rod-shape. After adding Ti into steel, because Ti and B preferentially combines into TiB2 phase with petals or small block shape which can stop the formation of hard and brittle (Fe,Cr)2B, so the number of (Fe,Cr)2B phase is reduced. And after adding Ti, many crisscross cracks appeared in internal large (Fe,Cr)2B phase, which will be effective to break into small pieces of boride to improve steel plasticity and shielding thermal neutron performance during hot rolling process.

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Periodical:

Advanced Materials Research (Volumes 535-537)

Pages:

738-741

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.535-537.738

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Online since:

June 2012

Authors:

Jing Liu, Ke Zhang, Jing Tao Han

Keywords:

Boride, High Boron Alloyed Stainless Steel (HBASS), Microstructure, Phase Composition

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