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.
Published Version
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