| Versatility of potential protective layer material Ti2AlC on resisting CMAS corrosion to thermal barrier coatings | |
| Yan, Zheng1; Guo, Lei1,2; Zhang, Zhao3; Wang, Xiaohui4; Ye, Fuxing1,2 | |
| Corresponding Author | Guo, Lei(glei028@tju.edu.cn) |
| 2020-05-01 | |
| Source Publication | CORROSION SCIENCE
 |
| ISSN | 0010-938X |
| Volume | 167Pages:14 |
| Abstract | Alleviating calcium-magnesium-alumina-silicate (CMAS) hazard to thermal barrier coatings (TBCs) has attracted increasing attentions. Here, we demonstrate that Ti2AlC is a promising protective layer material for TBCs against CMAS attack, and clarify its corrosion resistance mechanisms. The results reveal that pre-oxidized Ti2AlC has obvious advantages over its non-oxidized counterpart on promoting CMAS crystallization and inhibiting the melt infiltration. Pre-oxidation produces a continuous Al2O3 layer and TiO2 particles on Ti2AlC surface, and Al2O3 reacts with molten CMAS to form anorthite crystals, while TiO2, in the form of either Ti-rich particles or Ti dissolution (there is a content threshold), promotes the crystallization. |
| Keyword | Thermal barrier coatings (TBCs) Calcium-magnesium-alumina-silicate (CMAS) Ti2AlC Pre-oxidization Crystallization mechanism |
| Funding Organization | National Natural Science Foundation of China |
| DOI | 10.1016/j.corsci.2020.108532 |
| Indexed By | SCI |
| Language | 英语 |
| Funding Project | National Natural Science Foundation of China[51971156] |
| WOS Research Area | Materials Science ; Metallurgy & Metallurgical Engineering |
| WOS Subject | Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering |
| WOS ID | WOS:000525869800042 |
| Publisher | PERGAMON-ELSEVIER SCIENCE LTD |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.imr.ac.cn/handle/321006/138325 |
| Collection | 中国科学院金属研究所 |
| Corresponding Author | Guo, Lei |
| Affiliation | 1.Tianjin Univ, Sch Mat Sci & Engn, Tianjin 300072, Peoples R China 2.Minist Educ, Key Lab Adv Ceram & Machining Technol, Tianjin Key Lab Adv Joining Technol, Tianjin 300072, Peoples R China 3.Liaocheng Univ, Sch Mat Sci & Engn, Liaocheng 252059, Shandong, Peoples R China 4.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China |
| Recommended Citation GB/T 7714 | Yan, Zheng,Guo, Lei,Zhang, Zhao,et al. Versatility of potential protective layer material Ti2AlC on resisting CMAS corrosion to thermal barrier coatings[J]. CORROSION SCIENCE,2020,167:14. |
| APA | Yan, Zheng,Guo, Lei,Zhang, Zhao,Wang, Xiaohui,&Ye, Fuxing.(2020).Versatility of potential protective layer material Ti2AlC on resisting CMAS corrosion to thermal barrier coatings.CORROSION SCIENCE,167,14. |
| MLA | Yan, Zheng,et al."Versatility of potential protective layer material Ti2AlC on resisting CMAS corrosion to thermal barrier coatings".CORROSION SCIENCE 167(2020):14. |
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