Study on Nonmetal Inclusions in Ultra-Low Oxygen Spring Steel during Process

Xiao Dong Wu; Rui Long Chen; Bo Xiao; Zhong Ying Wang

doi:10.4028/www.scientific.net/AMM.331.508

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 331Study on Nonmetal Inclusions in Ultra-Low Oxygen...

Study on Nonmetal Inclusions in Ultra-Low Oxygen Spring Steel during Process

Abstract:

The inclusions in ultra-low oxygen spring steel during process were studied. Sufficient aluminium was used during tapping. The refining slag has high basicity and strong reducibility. The total oxygen is only 10×10^-6 in billet and the oxide inclusions in the steel have finished the transformation during refining and some complex oxide inclusions are easy to remove at steelmaking temperature. Residual oxide inclusions in the steel are CaO-MgO-Al₂O₃ complex inclusions with a relatively lower melting point, which have a little deform-ability during hot-working and can improve the fatigue properties of high speed wheel steel effectively.

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Periodical:

Applied Mechanics and Materials (Volume 331)

Pages:

508-512

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.331.508

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Online since:

July 2013

Authors:

Xiao Dong Wu, Rui Long Chen, Bo Xiao, Zhong Ying Wang

Keywords:

High Basicity Slag, Inclusion, Spring Steel

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References

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