Effect of Copper and Annealing Dew Point on Oxidation Behavior of C-Si-Mn Steels

Abstract:

The effect of copper on oxidation behavior of a C-Si-Mn steel was investigated. The samples were heated to 820°C and held for 75s under four different dew points with 5vol% hydrogen. The results of glow discharge optical emission spectrometry (GDOES), X-ray photoelectron spectroscopy (XPS) and scanning electron microscopy (SEM) analysis techniques revealed the differences in oxidation. It is proposed that the steel containing 0.3 wt.% copper has less external oxidation of silicon and manganese compared to the steel containing no copper for all different dew points. As researched in this paper the external oxidation of C-Si-Mn steels would be suppressed by adding copper.

• Periodical: Materials Science Forum (Volume 913)
• Pages: 286-293
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.913.286
• Online since: February 2018
• Authors: Guang Rui Jiang*, Hai Quan Wang, Li Bin Liu
• Keywords: Copper, C-Si-Mn Steel, Dew Point, Selective Oxidation

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