Title: Inclusion and Microstructure Characteristics in Steels with TiN Additions
Abstract:The quantitative analysis of inclusion and microstructure characteristics in the steels with TiN additions has been studied. The typical inclusion was detected to be a TiN + Mn-Al-Si-Ti-O + MnS phase....The quantitative analysis of inclusion and microstructure characteristics in the steels with TiN additions has been studied. The typical inclusion was detected to be a TiN + Mn-Al-Si-Ti-O + MnS phase. This identification was based on the measurements of scanning electron microscopy with energy-dispersive X-ray spectrometer (SEM-EDS), electron probe microanalysis (EPMA), which equipped wavelength-dispersive X-ray spectroscopy (WDS), and equilibrium calculations by using the commercial software Thermo-Calc. TiN was found to be the effective nucleation site for the formation of intragranular ferrite (IGF). Furthermore, the increased inclusion size led to the increased probability of IGF nucleation. In addition, this probability of IGF nucleation was slightly decreased with the increased sulfur content. This tendency could fit the tendency of the area fraction of IGF in the steels containing different sulfur contents.Read More
Publication Year: 2015
Publication Date: 2015-05-15
Language: en
Type: article
Indexed In: ['crossref']
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Cited By Count: 33
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