| Title |
Oxidation Characteristics of the Layered Ti3AlC2 Compound between 900 and 1,200℃ in Air |
| Authors |
이동복(Dong Bok Lee); 박상환(Sang Hwan Park); 한재호(Jae Ho Han) |
| ISSN |
1738-8228(ISSN), 2288-8241(eISSN) |
| Keywords |
ternary carbides; Ti3AlC2; oxidation; TiO2; Al2O3 |
| Abstract |
The layered ternary carbides, Ti3AlC2, were synthesized via a powder metallurgical route, and their oxidation characteristics were investigated between 900 and 1,200℃ in air for up to 100 hr. The oxidation of Ti3AlC2 resulted in the formation of TiO2 and Al2O3. Up to 1,000℃, the scales formed were thin, compact and adherent. However, above 1,100℃, the Al2O3 oxides formed in the scales were neither dense nor continuous enough to protect Ti3AlC2from aggressive high-temperature oxidation, so that thick scales formed. At 1,200℃, thick scales formed were porous. |