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Influence of Silicon-Modified Al Powders (SiO2@Al) on Anti-oxidation Performance of Al2O3-SiO2 Ceramic Coating for Carbon Steel at High Temperature
Yu, Bo1,2; Fu, Guoyan1,3; Cui, Yanbin1; Zhang, Xiaomeng1; Tu, Yubo1,2; Du, Yingchao1,2; Zuo, Gaohong1,4; Ye, Shufeng1; Wei, Lianqi1
2019-03-04
Source PublicationCOATINGS
ISSN2079-6412
Volume9Issue:3Pages:13
AbstractIn this paper, silicon-modified Al powders (SiO2@Al) were prepared by tetraethyl orthosilicate (TEOS) hydrolysis under alkaline conditions. Using SiO2@Al as additives, a new Al2O3-SiO2 ceramic coating (ASMA) was formed on carbon steel to prevent carbon steel from oxidization at 1250 degrees C for 120 min. Compared with the Al2O3-SiO2 ceramic coating without additive (AS), ASMA showed a remarkably better anti-oxidation performance, especially during the temperature-rise period. According to the characterization conducted by TG-DTA, XRD and SEM-EDS, it was found that the metallic Al in ASMA melted at 660 degrees C and reacted with SiO2 on its surface, which generated local high temperature and accelerated the sintering of ceramic raw materials. The mullite and hercynite formed in ASMA also played a major role for enhancing the anti-oxidation performance of ceramic coating.
Keywordceramic coating anti-oxidation SiO2@Al additive carbon steel
DOI10.3390/coatings9030167
Language英语
WOS KeywordOXIDATION BEHAVIOR ; SI ; LAYER
Funding ProjectNational Strategic Priority Research Program[YFC0703205]
WOS Research AreaMaterials Science
WOS SubjectMaterials Science, Coatings & Films
Funding OrganizationNational Strategic Priority Research Program
WOS IDWOS:000464280700003
PublisherMDPI
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/28301
Collection中国科学院过程工程研究所
Corresponding AuthorWei, Lianqi
Affiliation1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, POB 353, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Dept Chem Engn, 19 A Yuquan Rd, Beijing 100049, Peoples R China
3.China ENFI Engn Corp, 12 Fuxing Rd, Beijing 100038, Peoples R China
4.Dalian Polytech Univ, Dept Text & Mat Engn, 1 Light Ind Court, Dalian 116034, Peoples R China
Recommended Citation
GB/T 7714
Yu, Bo,Fu, Guoyan,Cui, Yanbin,et al. Influence of Silicon-Modified Al Powders (SiO2@Al) on Anti-oxidation Performance of Al2O3-SiO2 Ceramic Coating for Carbon Steel at High Temperature[J]. COATINGS,2019,9(3):13.
APA Yu, Bo.,Fu, Guoyan.,Cui, Yanbin.,Zhang, Xiaomeng.,Tu, Yubo.,...&Wei, Lianqi.(2019).Influence of Silicon-Modified Al Powders (SiO2@Al) on Anti-oxidation Performance of Al2O3-SiO2 Ceramic Coating for Carbon Steel at High Temperature.COATINGS,9(3),13.
MLA Yu, Bo,et al."Influence of Silicon-Modified Al Powders (SiO2@Al) on Anti-oxidation Performance of Al2O3-SiO2 Ceramic Coating for Carbon Steel at High Temperature".COATINGS 9.3(2019):13.
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