Influence of Deformation and Quenching Temperature on Structures and Properties of High Nitrogen Stainless Bearing Steel

Shan Ju Zhang; Mao Sheng Yang; Ting Lei

doi:10.4028/www.scientific.net/MSF.749.484

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HomeMaterials Science ForumMaterials Science Forum Vol. 749Influence of Deformation and Quenching Temperature...

Influence of Deformation and Quenching Temperature on Structures and Properties of High Nitrogen Stainless Bearing Steel

Abstract:

The influence of deformation and quenching temperature on microstructure and properties for high nitrogen stainless bearing steel was studied using the calculation of Thermo-Calc software and relevant Fe-based database and some experiments. The results showed that there was a small precipitation amount of carbide in the sample after a large deformation. The value of impact toughness (A_KU) was increased from 2.0 J to 12.0 J with the deformation increasing from 71% to 83%. When the quenching temperature reached 1050, the value of the hardness was up to the tiptop. Additionally, according to the calculation, it was found that there was a linear functional relation between the precipitation of carbide M₂₃C₆ (M) and quenching temperature (T). And the relational model could be expressed as: M_M23C6=55.34 - 0.05T (T1000).

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Materials Science Forum (Volume 749)

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484-490

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https://doi.org/10.4028/www.scientific.net/MSF.749.484

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March 2013

Authors:

Shan Ju Zhang, Mao Sheng Yang, Ting Lei

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Carbide, Deformation Quenching Temperature, High Nitrogen Stainless Bearing Steel, Microstructure

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