CAS OpenIR
Research on slag-resistance of ZrN-SiAlON-SiC-C composite refractory in different atmospheres
Cheng, Bohao1; Zhang, Zhijie1; Wu, Xiaowen1; Min, Xin1; Huang, Zhaohui1; Tao, Tianyi2; Zhao, Haiqing3; Fang, Minghao1; Liu, Yan-gai1
2019
Source PublicationINTERNATIONAL JOURNAL OF APPLIED CERAMIC TECHNOLOGY
ISSN1546-542X
Volume16Issue:1Pages:69-76
AbstractThe ZrN-SiAlON composite powder was synthesized using low-grade zircon and bauxite by carbothermal reduction nitridation at first and then ZrN-SiAlON-SiC-C composite refractory were fabricated with the ZrN-SiAlON powder, SiC particles, and a small amount of Si powder as raw materials and sucrose as the binder. The slag resistance of these composites in O-2, N-2 and Ar atmosphere was investigated by X-ray diffraction, scanning electron microscopy, and energy dispersion spectra. The results show that the pores in the inside of ZrN-SiAlON-SiC-C composite refractory were enlarged in oxygen atmosphere due to oxidation, which leads to the decrease in slag resistance. In argon atmosphere, blast furnace slag destroyed the sintered body of zircon, corundum, and cristobalite with the formation of CaZrO3, then infiltrated into and filled the pores inside the refractory to form a dense layer, which hindered the further erosion of the blast furnace slag. In the reducing atmosphere, the interfacial energy of the gas-liquid phases became larger due to the reactions between blast furnace slag liquid and the gas, resulting in a larger wetting angle which prevented the erosion.
Keywordatmospheres blast furnace slag erosion mechanism slag-resistance ZrN-SiAlON-SiC-C refractory composites
DOI10.1111/ijac.13099
Language英语
WOS KeywordCORROSION ; BEHAVIOR ; POWDERS ; TI3ALC2
Funding ProjectNational Natural Science Foundation of China[51872268] ; Geological Survey Project of China[DD20160266]
WOS Research AreaMaterials Science
WOS SubjectMaterials Science, Ceramics
Funding OrganizationNational Natural Science Foundation of China ; Geological Survey Project of China
WOS IDWOS:000452054600008
PublisherWILEY
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/27579
Collection中国科学院过程工程研究所
Corresponding AuthorWu, Xiaowen; Tao, Tianyi
Affiliation1.China Univ Geosci Beijing, Sch Mat Sci & Technol, Beijing Key Lab Mat Utilizat Nonmetall Minerals &, Natl Lab Mineral Mat, Beijing, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, Div Environm Technol & Engn, Beijing, Peoples R China
3.China Geol Survey, Shenyang Geol Survey Ctr, Shenyang 110034, Liaoning, Peoples R China
Recommended Citation
GB/T 7714
Cheng, Bohao,Zhang, Zhijie,Wu, Xiaowen,et al. Research on slag-resistance of ZrN-SiAlON-SiC-C composite refractory in different atmospheres[J]. INTERNATIONAL JOURNAL OF APPLIED CERAMIC TECHNOLOGY,2019,16(1):69-76.
APA Cheng, Bohao.,Zhang, Zhijie.,Wu, Xiaowen.,Min, Xin.,Huang, Zhaohui.,...&Liu, Yan-gai.(2019).Research on slag-resistance of ZrN-SiAlON-SiC-C composite refractory in different atmospheres.INTERNATIONAL JOURNAL OF APPLIED CERAMIC TECHNOLOGY,16(1),69-76.
MLA Cheng, Bohao,et al."Research on slag-resistance of ZrN-SiAlON-SiC-C composite refractory in different atmospheres".INTERNATIONAL JOURNAL OF APPLIED CERAMIC TECHNOLOGY 16.1(2019):69-76.
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