synthesis of core-shell mgo alloy nanoparticles for steelmaking

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ID: 141791
2018
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Abstract
In this present study, we aimed to reduce the wetting angle of nanoparticles (NPs) in molten steel and thus, increase their utilization ratio in steel. In order to achieve this, a two-step process was used to synthesize a core-shell AlTi-MgO@C NP structure for steelmaking through a dopamine polymerization process, which used an ammonium persulfate oxidant and high-temperature carbonization. The NP surface characterization was tested by scanning electron microscopy and field emission transmission electron microscopy, while the hydrodynamic NP size was measured by dynamic light scattering. The results showed that a carbon coating that had a thickness of 10 nm covered the NP surface, with the dispersion and stability of the particles in the aqueous solution having improved after the coating. The contact angle of the surface-treated NP was less than that of the uncoated NP in high-temperature molten steel and the corresponding wetting energy was smaller, which indicated improved wettability.
Reference Key
qu2018coatingssynthesis Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Jinglong Qu;Shufeng Yang;Hao Guo;Jingshe Li;Tiantian Wang
Journal die pharmazie
Year 2018
DOI
10.3390/coatings8050161
URL
http://www.mdpi.com/2079-6412/8/5/161
Keywords
civil engineering (general) contact angleengineering (general)

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