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Ultra-High-Temperature Oxidation and Thermal Stability of Ti2AlC in Air at 1600-1800 A degrees C
Xu, JJ; Gao, ZH; Qian, YH; Li, MS; Li, MS (reprint author), Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, Shenyang 110016, Peoples R China.
2016-10-01
Source PublicationOXIDATION OF METALS
ISSN0030-770X
Volume86Pages:327-338
AbstractThe oxidation resistance and thermal stability of Ti2AlC at 1600-1800 A degrees C in air were studied by using induction heating method. The results showed that Ti2AlC could survive with relatively low oxidation rate at temperatures up to 1650 A degrees C for a short period of time due to the formation of an Al2O3 inner layer with certain protectiveness. However, at 1700 and 1800 A degrees C, severe oxidation of Ti2AlC happened, the entire Al2O3 inner layer no longer existed, and the whole oxide scale became porous, cracked and voluminous. In the oxidation processes, the Ti2AlC substrate decomposed to TiCx at 1700 A degrees C, and transformed to Ti3AlC2 due to the reaction with TiCx at 1800 A degrees C, indicating that the massive consumption of Al in Ti2AlC exceeded its deficiency tolerance.
description.department[xu, jingjun ; gao, zenghua ; qian, yuhai ; li, meishuan] chinese acad sci, shenyang natl lab mat sci, inst met res, shenyang 110016, peoples r china ; [gao, zenghua] aerosp res inst special mat & proc technol, beijing 100074, peoples r china
KeywordMax Phase Ti2alc Ultra-high-temperature Oxidation Thermal Stability
Subject AreaMetallurgy & Metallurgical Engineering
Funding OrganizationNational Science Foundation of China [51401209, 51571205, 51571191]; National Scientific Instrument and Equipment Development Project [2011YQ14014504]
Indexed Bysci
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/76268
Collection中国科学院金属研究所
Corresponding AuthorLi, MS (reprint author), Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, Shenyang 110016, Peoples R China.
Recommended Citation
GB/T 7714
Xu, JJ,Gao, ZH,Qian, YH,et al. Ultra-High-Temperature Oxidation and Thermal Stability of Ti2AlC in Air at 1600-1800 A degrees C[J]. OXIDATION OF METALS,2016,86:327-338.
APA Xu, JJ,Gao, ZH,Qian, YH,Li, MS,&Li, MS .(2016).Ultra-High-Temperature Oxidation and Thermal Stability of Ti2AlC in Air at 1600-1800 A degrees C.OXIDATION OF METALS,86,327-338.
MLA Xu, JJ,et al."Ultra-High-Temperature Oxidation and Thermal Stability of Ti2AlC in Air at 1600-1800 A degrees C".OXIDATION OF METALS 86(2016):327-338.
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