A study of ceramic-lined composite steel pipes prepared by SHS centrifugal-thermite process
Author(s) -
Yuxin Li,
Letao Jiang,
Qing Lü,
Peikang Bai,
Bin Liu,
Jianhong Wang
Publication year - 2016
Publication title -
science of sintering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.309
H-Index - 25
eISSN - 1820-7413
pISSN - 0350-820X
DOI - 10.2298/sos1601081l
Subject(s) - thermite , materials science , ceramic , austenite , layer (electronics) , composite number , metallurgy , spinel , microstructure , ceramic composite , ferrite (magnet) , composite material , aluminium
Al2O3 ceramic-lined steel pipe was produced by self-propagating high-temperature synthesis centrifugal thermite process (SHS C-T process) from Fe2O3 and Al as the raw materials. The composition, phase separation and microstructures were investigated. The result showed the ceramic lined pipe is composed of the three main layers of various compositions, which were subsequently determined to be Fe layer, the transition layer and the ceramic layer. Fe layer is composed of austenite and ferrite, the transition layer consisted of Al2O3 ceramic and Fe, the ceramic layer consisted of the dendritic-shaped Al2O3 and the spinel-shaped structured FeAl2O4
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