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Patrick Wollants - One of the best experts on this subject based on the ideXlab platform.

  • chemical corrosion mechanisms of magnesia chromite and chrome free refractory bricks by Copper metal and anode slag
    Journal of The European Ceramic Society, 2007
    Co-Authors: Veselin Petkov, Peter Tom Jones, Eddy Boydens, Bart Blanpain, Patrick Wollants
    Abstract:

    Abstract The penetration and corrosion resistance to Copper and anode slag of six magnesia–chromite and six chrome-free refractory brick types were tested using static finger tests at a typical Copper-Refining temperature (1300 °C). The microstructures of the as-delivered and tested refractory types were investigated by means of electron-probe micro-analysis (EPMA) and scanning electron microscopy (SEM) techniques. The results showed that the overall wear rate of the fingers was very low, with the exception of the alumina-based brick made of fused corundum and magnesia–alumina spinel, and the magnesia-based brick made of sintered magnesia and zircon addition. In all refractory types new phases were formed as a result of slag-refractory interactions. Apart from the samples recovered from the Copper zone of the latest generation of direct-bonded magnesia–chromite bricks, all the rest were completely infiltrated by Copper and slag components (Copper oxide, iron oxide, alumina and silica). However, the amount of infiltrated liquid in the chrome-free types was higher than in the magnesia–chromite bricks. Explanations are provided for the distinct infiltration behaviour. The results show that economically viable chrome-free refractory alternatives are still elusive for anode furnace linings.

  • chemical corrosion mechanisms of magnesia chromite and chrome free refractory bricks by Copper metal and anode slag
    Journal of The European Ceramic Society, 2007
    Co-Authors: Veselin Petkov, Peter Tom Jones, Eddy Boydens, Bart Blanpain, Patrick Wollants
    Abstract:

    Abstract The penetration and corrosion resistance to Copper and anode slag of six magnesia–chromite and six chrome-free refractory brick types were tested using static finger tests at a typical Copper-Refining temperature (1300 °C). The microstructures of the as-delivered and tested refractory types were investigated by means of electron-probe micro-analysis (EPMA) and scanning electron microscopy (SEM) techniques. The results showed that the overall wear rate of the fingers was very low, with the exception of the alumina-based brick made of fused corundum and magnesia–alumina spinel, and the magnesia-based brick made of sintered magnesia and zircon addition. In all refractory types new phases were formed as a result of slag-refractory interactions. Apart from the samples recovered from the Copper zone of the latest generation of direct-bonded magnesia–chromite bricks, all the rest were completely infiltrated by Copper and slag components (Copper oxide, iron oxide, alumina and silica). However, the amount of infiltrated liquid in the chrome-free types was higher than in the magnesia–chromite bricks. Explanations are provided for the distinct infiltration behaviour. The results show that economically viable chrome-free refractory alternatives are still elusive for anode furnace linings.

Veselin Petkov - One of the best experts on this subject based on the ideXlab platform.

  • chemical corrosion mechanisms of magnesia chromite and chrome free refractory bricks by Copper metal and anode slag
    Journal of The European Ceramic Society, 2007
    Co-Authors: Veselin Petkov, Peter Tom Jones, Eddy Boydens, Bart Blanpain, Patrick Wollants
    Abstract:

    Abstract The penetration and corrosion resistance to Copper and anode slag of six magnesia–chromite and six chrome-free refractory brick types were tested using static finger tests at a typical Copper-Refining temperature (1300 °C). The microstructures of the as-delivered and tested refractory types were investigated by means of electron-probe micro-analysis (EPMA) and scanning electron microscopy (SEM) techniques. The results showed that the overall wear rate of the fingers was very low, with the exception of the alumina-based brick made of fused corundum and magnesia–alumina spinel, and the magnesia-based brick made of sintered magnesia and zircon addition. In all refractory types new phases were formed as a result of slag-refractory interactions. Apart from the samples recovered from the Copper zone of the latest generation of direct-bonded magnesia–chromite bricks, all the rest were completely infiltrated by Copper and slag components (Copper oxide, iron oxide, alumina and silica). However, the amount of infiltrated liquid in the chrome-free types was higher than in the magnesia–chromite bricks. Explanations are provided for the distinct infiltration behaviour. The results show that economically viable chrome-free refractory alternatives are still elusive for anode furnace linings.

  • chemical corrosion mechanisms of magnesia chromite and chrome free refractory bricks by Copper metal and anode slag
    Journal of The European Ceramic Society, 2007
    Co-Authors: Veselin Petkov, Peter Tom Jones, Eddy Boydens, Bart Blanpain, Patrick Wollants
    Abstract:

    Abstract The penetration and corrosion resistance to Copper and anode slag of six magnesia–chromite and six chrome-free refractory brick types were tested using static finger tests at a typical Copper-Refining temperature (1300 °C). The microstructures of the as-delivered and tested refractory types were investigated by means of electron-probe micro-analysis (EPMA) and scanning electron microscopy (SEM) techniques. The results showed that the overall wear rate of the fingers was very low, with the exception of the alumina-based brick made of fused corundum and magnesia–alumina spinel, and the magnesia-based brick made of sintered magnesia and zircon addition. In all refractory types new phases were formed as a result of slag-refractory interactions. Apart from the samples recovered from the Copper zone of the latest generation of direct-bonded magnesia–chromite bricks, all the rest were completely infiltrated by Copper and slag components (Copper oxide, iron oxide, alumina and silica). However, the amount of infiltrated liquid in the chrome-free types was higher than in the magnesia–chromite bricks. Explanations are provided for the distinct infiltration behaviour. The results show that economically viable chrome-free refractory alternatives are still elusive for anode furnace linings.

Eddy Boydens - One of the best experts on this subject based on the ideXlab platform.

  • chemical corrosion mechanisms of magnesia chromite and chrome free refractory bricks by Copper metal and anode slag
    Journal of The European Ceramic Society, 2007
    Co-Authors: Veselin Petkov, Peter Tom Jones, Eddy Boydens, Bart Blanpain, Patrick Wollants
    Abstract:

    Abstract The penetration and corrosion resistance to Copper and anode slag of six magnesia–chromite and six chrome-free refractory brick types were tested using static finger tests at a typical Copper-Refining temperature (1300 °C). The microstructures of the as-delivered and tested refractory types were investigated by means of electron-probe micro-analysis (EPMA) and scanning electron microscopy (SEM) techniques. The results showed that the overall wear rate of the fingers was very low, with the exception of the alumina-based brick made of fused corundum and magnesia–alumina spinel, and the magnesia-based brick made of sintered magnesia and zircon addition. In all refractory types new phases were formed as a result of slag-refractory interactions. Apart from the samples recovered from the Copper zone of the latest generation of direct-bonded magnesia–chromite bricks, all the rest were completely infiltrated by Copper and slag components (Copper oxide, iron oxide, alumina and silica). However, the amount of infiltrated liquid in the chrome-free types was higher than in the magnesia–chromite bricks. Explanations are provided for the distinct infiltration behaviour. The results show that economically viable chrome-free refractory alternatives are still elusive for anode furnace linings.

  • chemical corrosion mechanisms of magnesia chromite and chrome free refractory bricks by Copper metal and anode slag
    Journal of The European Ceramic Society, 2007
    Co-Authors: Veselin Petkov, Peter Tom Jones, Eddy Boydens, Bart Blanpain, Patrick Wollants
    Abstract:

    Abstract The penetration and corrosion resistance to Copper and anode slag of six magnesia–chromite and six chrome-free refractory brick types were tested using static finger tests at a typical Copper-Refining temperature (1300 °C). The microstructures of the as-delivered and tested refractory types were investigated by means of electron-probe micro-analysis (EPMA) and scanning electron microscopy (SEM) techniques. The results showed that the overall wear rate of the fingers was very low, with the exception of the alumina-based brick made of fused corundum and magnesia–alumina spinel, and the magnesia-based brick made of sintered magnesia and zircon addition. In all refractory types new phases were formed as a result of slag-refractory interactions. Apart from the samples recovered from the Copper zone of the latest generation of direct-bonded magnesia–chromite bricks, all the rest were completely infiltrated by Copper and slag components (Copper oxide, iron oxide, alumina and silica). However, the amount of infiltrated liquid in the chrome-free types was higher than in the magnesia–chromite bricks. Explanations are provided for the distinct infiltration behaviour. The results show that economically viable chrome-free refractory alternatives are still elusive for anode furnace linings.

Bart Blanpain - One of the best experts on this subject based on the ideXlab platform.

  • chemical corrosion mechanisms of magnesia chromite and chrome free refractory bricks by Copper metal and anode slag
    Journal of The European Ceramic Society, 2007
    Co-Authors: Veselin Petkov, Peter Tom Jones, Eddy Boydens, Bart Blanpain, Patrick Wollants
    Abstract:

    Abstract The penetration and corrosion resistance to Copper and anode slag of six magnesia–chromite and six chrome-free refractory brick types were tested using static finger tests at a typical Copper-Refining temperature (1300 °C). The microstructures of the as-delivered and tested refractory types were investigated by means of electron-probe micro-analysis (EPMA) and scanning electron microscopy (SEM) techniques. The results showed that the overall wear rate of the fingers was very low, with the exception of the alumina-based brick made of fused corundum and magnesia–alumina spinel, and the magnesia-based brick made of sintered magnesia and zircon addition. In all refractory types new phases were formed as a result of slag-refractory interactions. Apart from the samples recovered from the Copper zone of the latest generation of direct-bonded magnesia–chromite bricks, all the rest were completely infiltrated by Copper and slag components (Copper oxide, iron oxide, alumina and silica). However, the amount of infiltrated liquid in the chrome-free types was higher than in the magnesia–chromite bricks. Explanations are provided for the distinct infiltration behaviour. The results show that economically viable chrome-free refractory alternatives are still elusive for anode furnace linings.

  • chemical corrosion mechanisms of magnesia chromite and chrome free refractory bricks by Copper metal and anode slag
    Journal of The European Ceramic Society, 2007
    Co-Authors: Veselin Petkov, Peter Tom Jones, Eddy Boydens, Bart Blanpain, Patrick Wollants
    Abstract:

    Abstract The penetration and corrosion resistance to Copper and anode slag of six magnesia–chromite and six chrome-free refractory brick types were tested using static finger tests at a typical Copper-Refining temperature (1300 °C). The microstructures of the as-delivered and tested refractory types were investigated by means of electron-probe micro-analysis (EPMA) and scanning electron microscopy (SEM) techniques. The results showed that the overall wear rate of the fingers was very low, with the exception of the alumina-based brick made of fused corundum and magnesia–alumina spinel, and the magnesia-based brick made of sintered magnesia and zircon addition. In all refractory types new phases were formed as a result of slag-refractory interactions. Apart from the samples recovered from the Copper zone of the latest generation of direct-bonded magnesia–chromite bricks, all the rest were completely infiltrated by Copper and slag components (Copper oxide, iron oxide, alumina and silica). However, the amount of infiltrated liquid in the chrome-free types was higher than in the magnesia–chromite bricks. Explanations are provided for the distinct infiltration behaviour. The results show that economically viable chrome-free refractory alternatives are still elusive for anode furnace linings.

Peter Tom Jones - One of the best experts on this subject based on the ideXlab platform.

  • chemical corrosion mechanisms of magnesia chromite and chrome free refractory bricks by Copper metal and anode slag
    Journal of The European Ceramic Society, 2007
    Co-Authors: Veselin Petkov, Peter Tom Jones, Eddy Boydens, Bart Blanpain, Patrick Wollants
    Abstract:

    Abstract The penetration and corrosion resistance to Copper and anode slag of six magnesia–chromite and six chrome-free refractory brick types were tested using static finger tests at a typical Copper-Refining temperature (1300 °C). The microstructures of the as-delivered and tested refractory types were investigated by means of electron-probe micro-analysis (EPMA) and scanning electron microscopy (SEM) techniques. The results showed that the overall wear rate of the fingers was very low, with the exception of the alumina-based brick made of fused corundum and magnesia–alumina spinel, and the magnesia-based brick made of sintered magnesia and zircon addition. In all refractory types new phases were formed as a result of slag-refractory interactions. Apart from the samples recovered from the Copper zone of the latest generation of direct-bonded magnesia–chromite bricks, all the rest were completely infiltrated by Copper and slag components (Copper oxide, iron oxide, alumina and silica). However, the amount of infiltrated liquid in the chrome-free types was higher than in the magnesia–chromite bricks. Explanations are provided for the distinct infiltration behaviour. The results show that economically viable chrome-free refractory alternatives are still elusive for anode furnace linings.

  • chemical corrosion mechanisms of magnesia chromite and chrome free refractory bricks by Copper metal and anode slag
    Journal of The European Ceramic Society, 2007
    Co-Authors: Veselin Petkov, Peter Tom Jones, Eddy Boydens, Bart Blanpain, Patrick Wollants
    Abstract:

    Abstract The penetration and corrosion resistance to Copper and anode slag of six magnesia–chromite and six chrome-free refractory brick types were tested using static finger tests at a typical Copper-Refining temperature (1300 °C). The microstructures of the as-delivered and tested refractory types were investigated by means of electron-probe micro-analysis (EPMA) and scanning electron microscopy (SEM) techniques. The results showed that the overall wear rate of the fingers was very low, with the exception of the alumina-based brick made of fused corundum and magnesia–alumina spinel, and the magnesia-based brick made of sintered magnesia and zircon addition. In all refractory types new phases were formed as a result of slag-refractory interactions. Apart from the samples recovered from the Copper zone of the latest generation of direct-bonded magnesia–chromite bricks, all the rest were completely infiltrated by Copper and slag components (Copper oxide, iron oxide, alumina and silica). However, the amount of infiltrated liquid in the chrome-free types was higher than in the magnesia–chromite bricks. Explanations are provided for the distinct infiltration behaviour. The results show that economically viable chrome-free refractory alternatives are still elusive for anode furnace linings.