Corrosion resistance and anti‐reaction mechanism of Al 2 O 3 ‐based refractory ceramic under weak static magnetic field

Abstract A slag resistance experiment of the Al 2 O 3 ‐based refractory ceramic with CaO–Al 2 O 3 –SiO 2 slag at 1600°C under a milli‐Tesla static magnetic field was conducted. The magnetic flux density effect on the corrosion at the two‐ and three‐phase interfaces of the Al 2 O 3 ‐based refractory ceramic, excluding the ‘electromagnetic damping’, was studied. The slag resistance of the Al 2 O 3 ‐based refractory was enhanced and quasi‐volcanic corrosion at the three‐phase interface was eliminated gradually with an increase in the magnetic flux density. A hypothesis and mechanism for the inhibition effect of the static magnetic field based on the free radical pair reaction model was proposed.