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Macroscopic Distribution of Residual Elements As, S, and P in Steel Strips Produced by Compact Strip Production (CSP) Process

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Abstract

A novel method has been used successfully to measure the macroscopic distribution of minor arsenic, sulfur, and phosphorous in steel strips produced by the compact strip production (CSP) process. This process involves dissolution of the sample layer by layer combined with an inductively coupled plasma (ICP)-atomic emission spectrometry (AES) analysis. It is found that arsenic segregated in regions near both the top surface and the bottom surface of the strip. Sulfur and phosphorous segregate only in a region near the top surface in the strip. Central segregation of all the three elements is negligible. Central segregation possibly has been eliminated in homogeneous treatment and hot-rolling processes. The different characteristic of macroscopic segregation of these three elements is attributed to their different densities and chemical property.

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Acknowledgments

This work is supported by The National Natural Science Foundation of China (grants 50874083 and 51074117), the Foundation for Distinguished Young Scientists of Hubei Province of China (Grant 2009CDA044), the Foundation of Hu’bei Educational Committee (Grant Q20091110), and the China Postdoctoral Science Foundation (Grant 20100471161).

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Authors and Affiliations

  1. Key Laboratory for Ferrous Metallurgy and Resources Utilization of Ministry of Education, Wuhan University of Science & Technology, Wuhan, 430081, P.R. China

    Yuanzhi Zhu (Professor) & Jianping Xu (Professor)

  2. School of Materials and Metallurgy, Wuhan University of Science & Technology, Wuhan, P.R. China

    Yuanzhi Zhu (Professor) & Junchao Li (Graduate Student)

Authors
  1. Yuanzhi Zhu
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  2. Junchao Li
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  3. Jianping Xu
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Correspondence to Yuanzhi Zhu.

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Manuscript submitted February 11, 2011.

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Zhu, Y., Li, J. & Xu, J. Macroscopic Distribution of Residual Elements As, S, and P in Steel Strips Produced by Compact Strip Production (CSP) Process. Metall Mater Trans A 43, 2509–2513 (2012). https://doi.org/10.1007/s11661-012-1091-y

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