Characterization of Inclusions in 3rd Generation Advanced High-Strength Steels
作者： Muhammad Nabeel , Michelia Alba , Andrey Karasev , Pär G. Jönsson , Neslihan Dogan
DOI: 10.1007/S11663-019-01605-0
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摘要: Samples taken from laboratory-produced 3rd generation advanced high-strength steels, solidified at a low cooling rate, have been investigated to study the characteristics of non-metallic inclusions. Two containing 2 and 5 pct Mn content, were produced for this purpose. A higher number total inclusions observed in steel. The four main types Al2O3, AlN, MnS, AlSiMn-oxide. These classes divided into subclasses according variations their chemistry. major AlN are either plate-like or regular shape different size distributions. Thermodynamic calculations suggest that formed initial stage solidification, while faceted/regular-shaped precipitated toward end solidification. Moreover, it was found nitride is related N content. This phenomenon discussed viewpoint nucleation theory.
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