Corrosion of Ti3SiC2 in an Ar-1%SO2 atmosohere Between 800 and 1100 ℃

Title
Corrosion of Ti3SiC2 in an Ar-1%SO2 atmosohere Between 800 and 1100 ℃
Authors
Thuan Dinh Nguyen박상환Dong Bok Lee
Keywords
Ti3SiC2; Corrosion; Oxidation; Sulfidation
Issue Date
2009-06
Publisher
Journal of ceramic processing research / International organization for ceramic processing
Citation
VOL 10, NO 3, 355-358
Abstract
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.
URI
http://pubs.kist.re.kr/handle/201004/36839
ISSN
1229-9162
Appears in Collections:
KIST Publication > Article
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