Effect of Mn on Microstructure and Hardness of Ausenit-ferrite Transformation of Low Carbon Steel

Li Huicheng; Yue Xudong; Chen Shuying; Yang Hongming

doi:10.7513/j.issn.1004-7638.2014.04.023

Volume 35 Issue 4

Aug. 2014

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Li Huicheng, Yue Xudong, Chen Shuying, Yang Hongming. Effect of Mn on Microstructure and Hardness of Ausenit-ferrite Transformation of Low Carbon Steel[J]. IRON STEEL VANADIUM TITANIUM, 2014, 35(4): 118-121. doi: 10.7513/j.issn.1004-7638.2014.04.023

Citation:

Li Huicheng, Yue Xudong, Chen Shuying, Yang Hongming. Effect of Mn on Microstructure and Hardness of Ausenit-ferrite Transformation of Low Carbon Steel[J]. IRON STEEL VANADIUM TITANIUM, 2014, 35(4): 118-121. doi: 10.7513/j.issn.1004-7638.2014.04.023

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Effect of Mn on Microstructure and Hardness of Ausenit-ferrite Transformation of Low Carbon Steel

doi: 10.7513/j.issn.1004-7638.2014.04.023

Department of Materials and Metallurgy Engineering, Jinzhou 121001, Liaoning, China

Received Date: 2013-07-23
Available Online: 2023-12-04
Publish Date: 2014-08-28

Abstract

Abstract

The effect of Mn on microstructure and hardness of austenit-ferrite transformation was studied by thermal dilatometer,metallographic microscope,scanning electron microscope (SET) and microhardness tester.The result show that higher Mn content leads to reduce austenite-ferrite transformation temperature,widen transformation region and consequently ferrite grain size becomes larger,the volume of acicular ferrite and microhardness of transformed structure increase.
- low carbon steel,
- proeutectoid ferrite,
- Mn,
- transformation temperature,
- solidification micro-structure