Effect of Rare Earth on Inclusions and Impact Property of Ferrite Stainless Steel

Xiao Liu; Zhi Jie Fan

doi:10.4028/www.scientific.net/AMR.535-537.662

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 535-537Effect of Rare Earth on Inclusions and Impact...

Effect of Rare Earth on Inclusions and Impact Property of Ferrite Stainless Steel

Abstract:

The effects of RE metals on the inclusions and the impact property of 430 ferrite stainless steel were studied by metallographic examination, scanning electron microscope (SEM) and energy spectrum analysis. The results show that the morphologies and sizes of inclusions in 430 ferrite stainless steel are changed, and RE played a very good role of modifying inclusions. The fracture mode of 430 ferrite stainless steel is typical cleavage fracture, but quasi-cleavage and dimple fracture after adding RE into the steel. The transverse impact property of 430 ferrite stainless steel is improved obviously by RE. In comparison with 430 ferrite stainless steel without RE, the transverse impact property of 430 ferrite stainless steel with RE is increased 38.53% at -20°C, respectively.

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Periodical:

Advanced Materials Research (Volumes 535-537)

Pages:

662-665

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.535-537.662

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Online since:

June 2012

Authors:

Xiao Liu, Zhi Jie Fan

Keywords:

Ferrite Stainless Steel, Impact Property, Inclusion, Rare Earth (RE)

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