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Oxidation and cracking resistances of La2O3 modified ZrB2-SiC coating on SiC coated graphite in static air
Ren, Yan1,2; Qian, Yuhai1; Xu, Jingjun1; Zuo, Jun1; Li, Meishuan1
Corresponding AuthorQian, Yuhai(yhqian@imr.ac.cn)
2020-09-01
Source PublicationMATERIALS CHEMISTRY AND PHYSICS
ISSN0254-0584
Volume251Pages:9
AbstractA La2O3 modified ZrB2-SiC coating on SiC coated graphite was prepared by slurry brushing and subsequent siliconizing. The coating exhibited much better oxidation and cracking resistances compared with ZrB2-SiC coating. The weight gain of ZrB2-SiC-La2O3 coated sample was 3.85 x 10(-3) g/cm(2) after isothermal oxidation at 1800 degrees C for 30 min and it was 6.49 x 10(-3) g/cm(2) after short cyclic oxidation at 1500 degrees C for 30 times, while they were 4.25 x 10(-3) g/cm(2) and -7.12 x 10(-3) g/cm(2) for the ZrB2-SiC coated sample, respectively. The good comprehensive performance of La2O3 modified ZrB2-SiC coating was attributed to the continuous La dissolved oxide scale with lower oxygen permeability and lower internal stress.
KeywordUltra-high temperature ceramic coating Oxidation resistance Graphite Siliconizing
Funding OrganizationNational Natural Science Foundation of China
DOI10.1016/j.matchemphys.2020.123157
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51571203] ; National Natural Science Foundation of China[51571205]
WOS Research AreaMaterials Science
WOS SubjectMaterials Science, Multidisciplinary
WOS IDWOS:000549319900055
PublisherELSEVIER SCIENCE SA
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/139819
Collection中国科学院金属研究所
Corresponding AuthorQian, Yuhai
Affiliation1.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China
2.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Ren, Yan,Qian, Yuhai,Xu, Jingjun,et al. Oxidation and cracking resistances of La2O3 modified ZrB2-SiC coating on SiC coated graphite in static air[J]. MATERIALS CHEMISTRY AND PHYSICS,2020,251:9.
APA Ren, Yan,Qian, Yuhai,Xu, Jingjun,Zuo, Jun,&Li, Meishuan.(2020).Oxidation and cracking resistances of La2O3 modified ZrB2-SiC coating on SiC coated graphite in static air.MATERIALS CHEMISTRY AND PHYSICS,251,9.
MLA Ren, Yan,et al."Oxidation and cracking resistances of La2O3 modified ZrB2-SiC coating on SiC coated graphite in static air".MATERIALS CHEMISTRY AND PHYSICS 251(2020):9.
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