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Microstructure of Cast Ultrahigh Carbon Steel (UHCS) Modified via Fe–Si–Mg–Ca–RE

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Abstract

In this study, effect of modification treatment via Fe–Si–Mg–Ca–RE modifier on microstructure of ultrahigh carbon steel containing 1.5 wt% C was investigated. Microstructure characterization was performed by optical microscopy. It was found that as-cast proeutectoid carbide network tend to break after the modification treatment, and the carbides changed to discontinuous and spherical shape and uniformly distributed in matrix. Also, grain size, porosity and inclusions content decreased by modification treatment.

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Authors and Affiliations

  1. Department of Materials Engineering, Isfahan University of Technology, 84156–83111, Isfahan, Iran

    Hossein Dadkhah

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  1. Hossein Dadkhah
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Correspondence to Hossein Dadkhah.

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Dadkhah, H. Microstructure of Cast Ultrahigh Carbon Steel (UHCS) Modified via Fe–Si–Mg–Ca–RE. Trans Indian Inst Met 67, 1001–1004 (2014). https://doi.org/10.1007/s12666-014-0412-9

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  • DOI: https://doi.org/10.1007/s12666-014-0412-9

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