Corrosion of Ti3SiC2 in an Ar-1%SO2 atmosohere Between 800 and 1100 ℃
- Corrosion of Ti3SiC2 in an Ar-1%SO2 atmosohere Between 800 and 1100 ℃
- Thuan Dinh Nguyen; 박상환; Dong Bok Lee
- Ti3SiC2; Corrosion; Oxidation; Sulfidation
- Issue Date
- Journal of ceramic processing research / International organization for ceramic processing
- VOL 10, NO 3, 355-358
- Ti3SiC2 compounds were synthesized by a powder metallurgical route, and corrosion-tested at 800, 900, 1000 and 1100 oC for
up to 50 h under an Ar-1%SO2 gas atmosphere. The scale formed consisted primarily of an outer rutile-TiO2 layer and an
inner (rutile-TiO2 + amorphous SiO2)-mixed layer. Sulfur was mainly enriched at the scale-matrix interface. The corrosion
progressed mainly via oxidation rather than sulfidation. Ti3SiC2 displayed excellent corrosion resistance due mainly to its high
Si content that formed a SiO2 barrier layer.
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