Browsing NTNU Open by Author "Broggi, Andrea"

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    • Characterization of a Si-SiO2 mixture generated from SiO and CO 

      Broggi, Andrea; Tangstad, Merete; Ringdalen, Eli (Journal article; Peer reviewed, 2019)
      The reaction between SiO(g) and CO(g) is a relevant intermediate reaction in the silicon production process. One of the products generated from this gas mixture is called by its color, brown condensate. In this paper, ...

    • Characterization, thermodynamics and mechanism of formation of SiC-SiOx core–shell nanowires 

      Broggi, Andrea; Ringdalen, Eli; Tangstad, Merete (Peer reviewed; Journal article, 2020)
      Silicon carbide nanowires are valuable for electronic and optical applications, due to their high mechanical and electrical properties. Previous studies demonstrated that nanowires can be produced easily, by mixing a ...

    • Condensation of SiO and CO in silicon and ferrosilicon production 

      Broggi, Andrea (Doctoral theses at NTNU;2021:93, Doctoral thesis, 2021)
      Kondensasjon av SiO(g) er kombinasjon av to reaksjoner i silisiumprosessen. Den første er interaksjonen mellom SiO(g) og CO(g). Den andre er reaksjonen mellom to SiO(g) molekyler. Disse to reaksjonene foregår i lavtemperatursonen ...

    • Evolution of SiOx shell layers on SiC-SiOx core-shell nanowires 

      Broggi, Andrea; Ringdalen, Eli; Tangstad, Merete (Peer reviewed; Journal article, 2020)
      Composite core-shell SiC-SiOx nanowires can be produced by heating quartz and SiC powders, with addition of Ar(g) or He(g). The two powders are mixed to create pellets, which will react to SiO(g) and CO(g) at elevated ...

    • Inclusion Optimized Silicon for the Production of Silicones 

      Broggi, Andrea (Master thesis, 2015)
      One of the challenges with silicones production is the accumulation of impurities from metallurgical grade silicon (MG-Si) in the reactor. Size, shape and density of the intermetallics affect the accumulation, and their ...