High Magnetic Field Influence on the Widmanstaitten Transformation in High Purity Fe-0.36 wt% C Alloy

材料科学技术（英）, 2012, 28(6): 552-557.

High Magnetic Field Influence on the Widmanstaitten Transformation in High Purity Fe-0.36 wt% C Alloy

^1, , ^2, , ^3, , ^4,

1.Key Laboratory for Anisotropy and Texture of Materials （Ministry of Education）, Northeastern University, Shenyang110819, China Liaoning Shihua University, Fushun 113001, China

2.Key Laboratory for Anisotropy and Texture of Materials （Ministry of Education）, Northeastern University, Shenyang110819, China

3.Key Laboratory for Anisotropy and Texture of Materials （Ministry of Education）, Northeastern University, Shenyang110819, China

4.Key Laboratory for Anisotropy and Texture of Materials （Ministry of Education）, Northeastern University, Shenyang110819, China

关键词：高磁场 , 重量 , 纯度 , 先共析铁素体 , 合金 , 偶极相互作用 , 磁场方向 , 针状铁素体

High Magnetic Field Influence on the Widmanstaitten Transformation in High Purity Fe-0.36 wt% C Alloy

Shoujing Wang, ^1, , Xiang Zhao ^2, , Na Xiao ^3, , Liang Zuo ^4,

1.Key Laboratory for Anisotropy and Texture of Materials （Ministry of Education）, Northeastern University, Shenyang110819, China Liaoning Shihua University, Fushun 113001, China

2.Key Laboratory for Anisotropy and Texture of Materials （Ministry of Education）, Northeastern University, Shenyang110819, China

3.Key Laboratory for Anisotropy and Texture of Materials （Ministry of Education）, Northeastern University, Shenyang110819, China

4.Key Laboratory for Anisotropy and Texture of Materials （Ministry of Education）, Northeastern University, Shenyang110819, China

Keywords： High magnetic field , Widmanstfitten , Transformation , Fe-C alloy ,

The influence of high magnetic field with different strength on the proeutectoid ferrite transformation in high purity Fe-0.36 wt% C during diffusional Υ phase transformation was studied. It was found that the formation of acicular ferrite （ie. Widmanst3tten ferrite） was obviously suppressed by the applied high magnetic field. The stronger the magnetic field is, the more the ferrite grains elongating and aligning along the field direction will be. This is attributed to additional driving force for phase transformation and demagnetization effect introduced by the applied magnetic field. This is also considered to be related to the preferential growth of proeutectoid ferrite nuclei along field direction caused by magnetic dipolar interaction.

参考文献

[1]	M. Shimotomai;K. Maruta;K. Mine .Formation of aligned two-phase microstructures by applying a magnetic field during the austenite to ferrite transformation in steels[J].Acta materialia,2003(10):2921-2932.
[2]	Y.D. Zhang;C. Esling;J.S. Lecomte .Grain boundary characteristics and texture formation in a medium carbon steel during its austenitic decomposition in a high magnetic field[J].Acta materialia,2005(19):5213-5221.

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材料期刊网

High Magnetic Field Influence on the Widmanstaitten Transformation in High Purity Fe-0.36 wt% C Alloy

High Magnetic Field Influence on the Widmanstaitten Transformation in High Purity Fe-0.36 wt% C Alloy

参考文献