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Effect of Carbon on Microstructure and Mechanical Properties of Low C-1.6 pct Mn-0.1 pct Cr-0.3 pct Mo-0.0005 pct B Dual-Phase Steels

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Abstract

Effect of carbon on the microstructure and mechanical properties of 0.011 and 0.032 pct carbon dual-phase steels was investigated. r m value was increased to 1.52 at around 400 MPa tensile strength level through the optimal design in the steel chemistry and proper control of phase transformation during continuous galvanizing cycle. The isolated martensite particles are expected to increase the strength but are expected not to be desirable for the deep drawability.

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This work was supported by research Grants from the Catholic University of Daegu in 2012.

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  1. School of Mechanical and Automotive Engineering, Catholic University of Daegu, Gyongsan-si, Gyongbuk, 712-702, Republic of Korea

    W. C. Jeong (Professor)

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  1. W. C. Jeong
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Correspondence to W. C. Jeong.

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Manuscript submitted May 4, 2014.

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Jeong, W.C. Effect of Carbon on Microstructure and Mechanical Properties of Low C-1.6 pct Mn-0.1 pct Cr-0.3 pct Mo-0.0005 pct B Dual-Phase Steels. Metall Mater Trans A 45, 5286–5289 (2014). https://doi.org/10.1007/s11661-014-2530-8

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