Corrosion resistance and anti‐reaction mechanism of Al2O3‐based refractory ceramic under weak static magnetic field. Issue 4 (2nd December 2021)

• Record Type: Journal Article
• Authors: Li, Shenghao; Huang, Ao; Gu, Huazhi; Wang, Runfeng; Zou, Yongshun; Fu, Lvping
• Is Part Of: Journal of the American Ceramic Society. Volume 105:Issue 4(2022)
• Page Start: 2869
• Page End: 2877
• Publication Date: 2021-12-02
• Subjects: Al2O3‐based refractory ceramic -- corrosion resistance -- high‐temperature free radicals -- interfacial reaction -- weak static magnetic field; Ceramics -- Periodicals; 620.1405
• DOI: 10.1111/jace.18259
• Languages: English
• ISSNs: 0002-7820

Abstract

Abstract: A slag resistance experiment of the Al2 O3 ‐based refractory ceramic with CaO–Al2 O3 –SiO2 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 Al2 O3 ‐based refractory ceramic, excluding the 'electromagnetic damping', was studied. The slag resistance of the Al2 O3 ‐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.